{
 "instance": {
  "dvax-20211231.htm": {
   "axisCustom": 1,
   "axisStandard": 35,
   "contextCount": 442,
   "dts": {
    "calculationLink": {
     "local": [
      "dvax-20211231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "dvax-20211231_def.xml"
     ]
    },
    "inline": {
     "local": [
      "dvax-20211231.htm"
     ]
    },
    "labelLink": {
     "local": [
      "dvax-20211231_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "dvax-20211231_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "dvax-20211231.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd",
      "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd",
      "https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd",
      "https://xbrl.fasb.org/us-gaap/2021/elts/us-types-2021-01-31.xsd",
      "https://xbrl.sec.gov/country/2021/country-2021.xsd",
      "https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd",
      "https://xbrl.sec.gov/stpr/2021/stpr-2021.xsd"
     ]
    }
   },
   "elementCount": 880,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2021-01-31": 101,
    "http://www.dynavax.com/20211231": 13,
    "http://xbrl.sec.gov/dei/2021q4": 4,
    "total": 118
   },
   "keyCustom": 113,
   "keyStandard": 497,
   "memberCustom": 60,
   "memberStandard": 55,
   "nsprefix": "dvax",
   "nsuri": "http://www.dynavax.com/20211231",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "100000 - Document - Document and Entity Information",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation",
     "shortName": "Document and Entity Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100100 - Disclosure - Fair Value Measurements",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurements",
     "shortName": "Fair Value Measurements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100110 - Disclosure - Cash, Cash Equivalents, Restricted Cash and Marketable Securities",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecurities",
     "shortName": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100120 - Disclosure - Inventories, Net",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNet",
     "shortName": "Inventories, Net",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100140 - Disclosure - Property and Equipment, Net",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNet",
     "shortName": "Property and Equipment, Net",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100150 - Disclosure - Current Accrued Liabilities and Accrued Research and Development",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopment",
     "shortName": "Current Accrued Liabilities and Accrued Research and Development",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100160 - Disclosure - Commitments and Contingencies",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CollaborativeArrangementDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100170 - Disclosure - Collaborative Research, Development and License Agreements",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreements",
     "shortName": "Collaborative Research, Development and License Agreements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CollaborativeArrangementDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100180 - Disclosure - Convertible Notes",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotes",
     "shortName": "Convertible Notes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100190 - Disclosure - Long-Term Debt",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebt",
     "shortName": "Long-Term Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100200 - Disclosure - Revenue Recognition",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognition",
     "shortName": "Revenue Recognition",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100010 - Statement - Consolidated Balance Sheets",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
     "shortName": "Consolidated Balance Sheets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100210 - Disclosure - Net Loss Per Share",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureNetLossPerShare",
     "shortName": "Net Loss Per Share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100220 - Disclosure - Common Stock",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStock",
     "shortName": "Common Stock",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100230 - Disclosure - Equity Plans and Stock-Based Compensation",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensation",
     "shortName": "Equity Plans and Stock-Based Compensation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100240 - Disclosure - Employee Benefit Plan",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan",
     "shortName": "Employee Benefit Plan",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100250 - Disclosure - Restructuring",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuring",
     "shortName": "Restructuring",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100260 - Disclosure - Income Taxes",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxes",
     "shortName": "Income Taxes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100280 - Disclosure - Summary of Significant Accounting Policies (Policies)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies",
     "shortName": "Summary of Significant Accounting Policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100290 - Disclosure - Fair Value Measurements (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsTables",
     "shortName": "Fair Value Measurements (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:ReconciliationOfCashCashEquivalentsAndRestrictedCashToStatementOfCashFlowsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100300 - Disclosure - Cash, Cash Equivalents, Restricted Cash and Marketable Securities (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesTables",
     "shortName": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:ReconciliationOfCashCashEquivalentsAndRestrictedCashToStatementOfCashFlowsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100310 - Disclosure - Inventories, Net (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetTables",
     "shortName": "Inventories, Net (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtInstrumentUnamortizedDiscount",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100020 - Statement - Consolidated Balance Sheets (Parenthetical)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical",
     "shortName": "Consolidated Balance Sheets (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:PreferredStockSharesAuthorized",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100330 - Disclosure - Property and Equipment, Net (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetTables",
     "shortName": "Property and Equipment, Net (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:ScheduleOfAccruedLiabilitiesAndAccruedResearchAndDevelopmentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100340 - Disclosure - Current Accrued Liabilities and Accrued Research and Development (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentTables",
     "shortName": "Current Accrued Liabilities and Accrued Research and Development (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:ScheduleOfAccruedLiabilitiesAndAccruedResearchAndDevelopmentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LeaseCostTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100350 - Disclosure - Commitments and Contingencies (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables",
     "shortName": "Commitments and Contingencies (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LeaseCostTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:ScheduleOfConvertibleNotesInterestExpenseTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100360 - Disclosure - Convertible Notes (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesTables",
     "shortName": "Convertible Notes (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:ScheduleOfConvertibleNotesInterestExpenseTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100370 - Disclosure - Revenue Recognition (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables",
     "shortName": "Revenue Recognition (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100380 - Disclosure - Net Loss Per Share (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureNetLossPerShareTables",
     "shortName": "Net Loss Per Share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100390 - Disclosure - Common Stock (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockTables",
     "shortName": "Common Stock (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100400 - Disclosure - Equity Plans and Stock-Based Compensation (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationTables",
     "shortName": "Equity Plans and Stock-Based Compensation (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100410 - Disclosure - Restructuring (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringTables",
     "shortName": "Restructuring (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100420 - Disclosure - Income Taxes (Tables)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesTables",
     "shortName": "Income Taxes (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100040 - Statement - Consolidated Statements of Operations",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations",
     "shortName": "Consolidated Statements of Operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_72871aac-326b-4c24-af88-563f0a35aaee",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:MinimumAgeApprovedForVaccinePreventionOfInfectionCaused",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100430 - Disclosure - Organization - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail",
     "shortName": "Organization - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_72871aac-326b-4c24-af88-563f0a35aaee",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dvax:MinimumAgeApprovedForVaccinePreventionOfInfectionCaused",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfOperatingSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100440 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
     "shortName": "Summary of Significant Accounting Policies - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfOperatingSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Segment",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueEquityLevel1ToLevel2TransfersAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100450 - Disclosure - Fair Value Measurements - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetail",
     "shortName": "Fair Value Measurements - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueEquityLevel1ToLevel2TransfersAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_db188219-f940-4c5c-baba-283296c45b46",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AssetsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100460 - Disclosure - Fair Value Measurements - Fair Value Hierarchy for Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
     "shortName": "Fair Value Measurements - Fair Value Hierarchy for Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_db188219-f940-4c5c-baba-283296c45b46",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AssetsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_07685e5d-e1cc-4346-b59a-6c116553568c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ClassOfWarrantOrRightOutstanding",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100470 - Disclosure - Fair Value Measurements - Summary of Assumptions to Estimate the Fair Value of Warrant Liability (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
     "shortName": "Fair Value Measurements - Summary of Assumptions to Estimate the Fair Value of Warrant Liability (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_4c7fda2c-f9d9-4ee7-a327-2b47cd25f367",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ClassOfWarrantOrRightOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_0dfa5bf5-1a07-4948-a71d-c7ee7cdd4a20",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100480 - Disclosure - Fair Value Measurements - Summary of Changes in Fair Value Warrant liability (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail",
     "shortName": "Fair Value Measurements - Summary of Changes in Fair Value Warrant liability (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_d0e935c6-cc52-4ca6-9a84-667811f49926",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100490 - Disclosure - Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail",
     "shortName": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ReconciliationOfCashCashEquivalentsAndRestrictedCashToStatementOfCashFlowsTableTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_3fedaf91-4af7-44be-b41c-a538f3cd9329",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_8e1a220a-796d-43fc-81f6-a5a5810d8d0e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100500 - Disclosure - Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Summary of Cash, Cash Equivalents and Marketable Securities (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail",
     "shortName": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Summary of Cash, Cash Equivalents and Marketable Securities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_8e1a220a-796d-43fc-81f6-a5a5810d8d0e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:MaturitiesOfMarketableSecuritiesAvailableForSaleTableTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100510 - Disclosure - Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Maturities of Marketable Securities Available-for-Sale (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail",
     "shortName": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Maturities of Marketable Securities Available-for-Sale (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:MaturitiesOfMarketableSecuritiesAvailableForSaleTableTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesGrossRealizedGains",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100520 - Disclosure - Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesAdditionalInformationDetail",
     "shortName": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:CashAndCashEquivalentsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesGrossRealizedGains",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100050 - Statement - Consolidated Statements of Comprehensive Loss",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss",
     "shortName": "Consolidated Statements of Comprehensive Loss",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_82ae84cb-aa48-4f7c-a439-765292e2f18f",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryRawMaterialsNetOfReserves",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100530 - Disclosure - Inventories, Net - Summary of Inventories (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail",
     "shortName": "Inventories, Net - Summary of Inventories (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryRawMaterialsNetOfReserves",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryFinishedGoodsNetOfReserves",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100540 - Disclosure - Inventories, Net - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail",
     "shortName": "Inventories, Net - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_36b62de1-d070-4a9d-b8a6-a02bfe35f369",
      "decimals": "-6",
      "lang": null,
      "name": "us-gaap:InventoryWorkInProcessAndRawMaterials",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CostOfGoodsAndServicesSoldAmortization",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100560 - Disclosure - Intangible Assets, Net - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
     "shortName": "Intangible Assets, Net - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:MachineryAndEquipmentGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100570 - Disclosure - Property and Equipment, Net - Component of Property and Equipment, Net (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
     "shortName": "Property and Equipment, Net - Component of Property and Equipment, Net (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:MachineryAndEquipmentGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DepreciationAndAmortization",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100580 - Disclosure - Property and Equipment, Net - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetAdditionalInformationDetail",
     "shortName": "Property and Equipment, Net - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfAccruedLiabilitiesAndAccruedResearchAndDevelopmentTableTextBlock",
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AccruedEmployeeBenefitsCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100590 - Disclosure - Current Accrued Liabilities and Accrued Research and Development - Component of Current Accrued Liabilities (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail",
     "shortName": "Current Accrued Liabilities and Accrued Research and Development - Component of Current Accrued Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfAccruedLiabilitiesAndAccruedResearchAndDevelopmentTableTextBlock",
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AccruedEmployeeBenefitsCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_82ae84cb-aa48-4f7c-a439-765292e2f18f",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PaymentsForProceedsFromTenantAllowance",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100600 - Disclosure - Commitments and Contingencies - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
     "shortName": "Commitments and Contingencies - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:OperatingLeasePayments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:LeaseCostTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100610 - Disclosure - Commitments and Contingencies - Summary of Operating Lease Expense (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfOperatingLeaseExpenseDetail",
     "shortName": "Commitments and Contingencies - Summary of Operating Lease Expense (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:LeaseCostTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfBalanceSheetComponentsOfOperatingLeaseLiabilitiesTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseLiabilityCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100620 - Disclosure - Commitments and Contingencies - Summary of Balance Sheet Classification of Operating Lease Liabilities (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail",
     "shortName": "Commitments and Contingencies - Summary of Balance Sheet Classification of Operating Lease Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfBalanceSheetComponentsOfOperatingLeaseLiabilitiesTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseLiabilityCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:SubleaseIncomeAndOperatingLeaseLiabilityMaturityTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "dvax:LessorSubleaseRentalsPaymentsToBeReceivedRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100630 - Disclosure - Commitments and Contingencies - Summary of Maturities of Sublease Income and Operating Lease Liabilities (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail",
     "shortName": "Commitments and Contingencies - Summary of Maturities of Sublease Income and Operating Lease Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:SubleaseIncomeAndOperatingLeaseLiabilityMaturityTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "dvax:LessorSubleaseRentalsPaymentsToBeReceivedRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_e543f41f-0103-4be1-9b90-f285587b699c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100060 - Statement - Consolidated Statements of Stockholders' Equity",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity",
     "shortName": "Consolidated Statements of Stockholders' Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_e543f41f-0103-4be1-9b90-f285587b699c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:SummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100650 - Disclosure - Commitments and Contingencies - Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rate (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateDetail",
     "shortName": "Commitments and Contingencies - Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rate (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:SummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PurchaseObligationDueInNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100660 - Disclosure - Commitments and Contingencies - Schedule of Material Purchase Commitments (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails",
     "shortName": "Commitments and Contingencies - Schedule of Material Purchase Commitments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PurchaseObligationDueInNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100670 - Disclosure - Collaborative Research, Development and License Agreements - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
     "shortName": "Collaborative Research, Development and License Agreements - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:CollaborativeArrangementDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:DeferredRevenueCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "dvax:LiquidityAndFinancialConditionDisclosurePolicyTextBlock",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_bd24f029-a9b6-4aac-a9c2-c49704e9f1db",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtInstrumentFaceAmount",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100680 - Disclosure - Convertible Notes (Additional Information) (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
     "shortName": "Convertible Notes (Additional Information) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:ConvertibleDebtFairValueDisclosures",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfConvertibleNotesInterestExpenseTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestExpenseDebtExcludingAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100690 - Disclosure - Convertible Notes - Summary of Interest Expenses Related to Convertible Notes (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails",
     "shortName": "Convertible Notes - Summary of Interest Expenses Related to Convertible Notes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfConvertibleNotesInterestExpenseTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestExpenseDebtExcludingAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_99049147-ffc7-44f1-9e42-09834cc971d2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProceedsFromIssuanceOfLongTermDebt",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100700 - Disclosure - Long-Term Debt - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
     "shortName": "Long-Term Debt - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:LongTermDebtTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_3006cbd9-1d3b-4c6b-864a-be503e911b1e",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:InterestExpenseDebt",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100710 - Disclosure - Revenue Recognition - Summary of Disaggregation of Revenues (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
     "shortName": "Revenue Recognition - Summary of Disaggregation of Revenues (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:DisaggregationOfRevenueTableTextBlock",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_f776de40-7bfe-41eb-9daf-4d3bd739e4d7",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_8aa5b99c-2273-4611-a67e-c974de4b1da4",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:ConcentrationRiskPercentage1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100720 - Disclosure - Revenue Recognition - Schedule of Revenues from Major Customers (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
     "shortName": "Revenue Recognition - Schedule of Revenues from Major Customers (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_8aa5b99c-2273-4611-a67e-c974de4b1da4",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:ConcentrationRiskPercentage1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:SummaryOfProductRevenueAllowanceAndReserveCategoriesTableTextBlock",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_a82f112f-5163-4bd6-93b8-de25ff66cd61",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "dvax:ReservesAccrualBalance",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100730 - Disclosure - Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail",
     "shortName": "Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:SummaryOfProductRevenueAllowanceAndReserveCategoriesTableTextBlock",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_126b09f3-4406-42ac-8d8f-2f9ab1896068",
      "decimals": "-3",
      "lang": null,
      "name": "dvax:ReservesAccrualBalance",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_bcbe0147-7a7e-4edb-a736-6890ecabb10e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ContractWithCustomerAssetNetCurrent",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100740 - Disclosure - Revenue Recognition - Summary of balances and activities in our contract asset account (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails",
     "shortName": "Revenue Recognition - Summary of balances and activities in our contract asset account (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_0c536217-b05d-4d56-a06b-0082d1a8fb6d",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ContractWithCustomerAssetNetCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100070 - Statement - Consolidated Statements of Cash Flows",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows",
     "shortName": "Consolidated Statements of Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "lang": null,
      "name": "dvax:OperatingLeaseRightOfUseAssetAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_07685e5d-e1cc-4346-b59a-6c116553568c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DeferredRevenue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100750 - Disclosure - Revenue Recognition - Summary of Balances and Activities Deferred Revenue Accounts (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
     "shortName": "Revenue Recognition - Summary of Balances and Activities Deferred Revenue Accounts (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_3973760e-da9d-476f-9d4b-acb70210ebe2",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DeferredRevenueAdditions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100760 - Disclosure - Computation of Basic and Diluted Net Loss Per Share (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
     "shortName": "Computation of Basic and Diluted Net Loss Per Share (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100770 - Disclosure - Outstanding Stock Options and Stock Awards Excluded from Calculation of Net Loss Per Share (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail",
     "shortName": "Outstanding Stock Options and Stock Awards Excluded from Calculation of Net Loss Per Share (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_5b47924d-d4cc-4d00-a611-f3eb9d26da05",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R73": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockSharesOutstanding",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100780 - Disclosure - Common Stock - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
     "shortName": "Common Stock - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_378f5fbd-ae92-4b0d-9014-cdcfd26102fa",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:StockIssuedDuringPeriodSharesNewIssues",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R74": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_07685e5d-e1cc-4346-b59a-6c116553568c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ClassOfWarrantOrRightOutstanding",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100790 - Disclosure - Common Stock - Summary of Common Stock Warrants Outstanding (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail",
     "shortName": "Common Stock - Summary of Common Stock Warrants Outstanding (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_cf40077f-a888-455e-b9d0-8e0091d3be47",
      "decimals": null,
      "lang": "en-US",
      "name": "dvax:WarrantsIssuanceDate",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R75": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100800 - Disclosure - Equity Plans and Stock-Based Compensation - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
     "shortName": "Equity Plans and Stock-Based Compensation - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R76": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_07685e5d-e1cc-4346-b59a-6c116553568c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100810 - Disclosure - Equity Plans and Stock-Based Compensation - Option Activity under Stock-Based Compensation Plans (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail",
     "shortName": "Equity Plans and Stock-Based Compensation - Option Activity under Stock-Based Compensation Plans (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R77": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_69ff2b28-8ffa-4431-adfd-c063f4789ab5",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100820 - Disclosure - Equity Plans and Stock-Based Compensation - Summary of Non-vested Restricted Stock Units Activity (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail",
     "shortName": "Equity Plans and Stock-Based Compensation - Summary of Non-vested Restricted Stock Units Activity (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_c0f47579-815f-451b-afca-aadb205338e6",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R78": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfPerformanceBasedRestrictedStockUnitTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_8c538627-2909-4967-b16e-bc8d5c44c8e3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100830 - Disclosure - Equity Plans and Stock-Based Compensation - Summary Of Performance Based Restricted Stock Unit (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
     "shortName": "Equity Plans and Stock-Based Compensation - Summary Of Performance Based Restricted Stock Unit (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "dvax:ScheduleOfPerformanceBasedRestrictedStockUnitTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_8c538627-2909-4967-b16e-bc8d5c44c8e3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R79": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_ca46f354-34c1-4bf6-b259-f9b72a0f2f52",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100840 - Disclosure - Equity Plans and Stock-Based Compensation - Fair Value-Based Measurements and Weighted-Average Assumptions (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
     "shortName": "Equity Plans and Stock-Based Compensation - Fair Value-Based Measurements and Weighted-Average Assumptions (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_ca46f354-34c1-4bf6-b259-f9b72a0f2f52",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100080 - Disclosure - Organization",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganization",
     "shortName": "Organization",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R80": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100850 - Disclosure - Equity Plans and Stock-Based Compensation - Stock-Based Compensation Expense (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail",
     "shortName": "Equity Plans and Stock-Based Compensation - Stock-Based Compensation Expense (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R81": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:DefinedBenefitPlanContributionsByEmployer",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100860 - Disclosure - Employee Benefit Plan - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetail",
     "shortName": "Employee Benefit Plan - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:DefinedBenefitPlanContributionsByEmployer",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R82": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_ac2c1007-e6f4-4fce-b6fd-bb9816a1e56b",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Position",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100870 - Disclosure - Restructuring - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringAdditionalInformationDetail",
     "shortName": "Restructuring - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_ac2c1007-e6f4-4fce-b6fd-bb9816a1e56b",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Position",
      "xsiNil": "false"
     }
    },
    "R83": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
       "div",
       "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_3fedaf91-4af7-44be-b41c-a538f3cd9329",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringAndRelatedCostCostIncurredToDate1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100880 - Disclosure - Restructuring - Schedule of Major Components of Restructuring Costs (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail",
     "shortName": "Restructuring - Schedule of Major Components of Restructuring Costs (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
       "div",
       "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_3fedaf91-4af7-44be-b41c-a538f3cd9329",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringAndRelatedCostCostIncurredToDate1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R84": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringCharges",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100890 - Disclosure - Restructuring - Schedule of Components of the Restructuring Liabilities (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail",
     "shortName": "Restructuring - Schedule of Components of the Restructuring Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R85": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_82ae84cb-aa48-4f7c-a439-765292e2f18f",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100900 - Disclosure - Component of Consolidated (Loss) Income Before Provision for Income Taxes (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail",
     "shortName": "Component of Consolidated (Loss) Income Before Provision for Income Taxes (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_82ae84cb-aa48-4f7c-a439-765292e2f18f",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R86": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100910 - Disclosure - Income Taxes - Additional Information (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
     "shortName": "Income Taxes - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R87": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100920 - Disclosure - Income Taxes - Schedule of income tax provision (Details)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails",
     "shortName": "Income Taxes - Schedule of income tax provision (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DeferredFederalIncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R88": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100930 - Disclosure - Difference between Consolidated Income Tax Benefit and Amount Computed by Federal Statutory Income Tax Rate (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail",
     "shortName": "Difference between Consolidated Income Tax Benefit and Amount Computed by Federal Statutory Income Tax Rate (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R89": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100940 - Disclosure - Component of Deferred Tax Assets and Liabilities (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail",
     "shortName": "Component of Deferred Tax Assets and Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_55c94065-38eb-413d-8fbb-a3809260e2f7",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100090 - Disclosure - Summary of Significant Accounting Policies",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies",
     "shortName": "Summary of Significant Accounting Policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R90": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_07685e5d-e1cc-4346-b59a-6c116553568c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:UnrecognizedTaxBenefits",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100950 - Disclosure - Schedule of Unrecognized Tax Benefits (Detail)",
     "role": "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail",
     "shortName": "Schedule of Unrecognized Tax Benefits (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
       "div",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "dvax-20211231.htm",
      "contextRef": "C_1cf746f6-dbdc-42a1-a757-3806824d242a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 117,
   "tag": {
    "country_DE": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "GERMANY",
        "terseLabel": "Germany"
       }
      }
     },
     "localname": "DE",
     "nsuri": "http://xbrl.sec.gov/country/2021",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "country_US": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "UNITED STATES",
        "terseLabel": "United States"
       }
      }
     },
     "localname": "US",
     "nsuri": "http://xbrl.sec.gov/country/2021",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_AuditorFirmId": {
     "auth_ref": [
      "r734",
      "r735",
      "r736"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "PCAOB issued Audit Firm Identifier",
        "label": "Auditor Firm ID"
       }
      }
     },
     "localname": "AuditorFirmId",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "nonemptySequenceNumberItemType"
    },
    "dei_AuditorLocation": {
     "auth_ref": [
      "r734",
      "r735",
      "r736"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Location"
       }
      }
     },
     "localname": "AuditorLocation",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "internationalNameItemType"
    },
    "dei_AuditorName": {
     "auth_ref": [
      "r734",
      "r735",
      "r736"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Name"
       }
      }
     },
     "localname": "AuditorName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "internationalNameItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "xbrltype": "stringItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentAnnualReport": {
     "auth_ref": [
      "r734",
      "r735",
      "r736"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an annual report.",
        "label": "Document Annual Report",
        "terseLabel": "Document Annual Report"
       }
      }
     },
     "localname": "DocumentAnnualReport",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r737"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report",
        "terseLabel": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "verboseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_DocumentsIncorporatedByReferenceTextBlock": {
     "auth_ref": [
      "r732"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Documents incorporated by reference.",
        "label": "Documents Incorporated by Reference [Text Block]",
        "terseLabel": "Documents Incorporated by Reference"
       }
      }
     },
     "localname": "DocumentsIncorporatedByReferenceTextBlock",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine2": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 2 such as Street or Suite number",
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two"
       }
      }
     },
     "localname": "EntityAddressAddressLine2",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityCurrentReportingStatus": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status"
       }
      }
     },
     "localname": "EntityCurrentReportingStatus",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
        "label": "Entity [Domain]",
        "terseLabel": "Entity"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r739"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityPublicFloat": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.",
        "label": "Entity Public Float",
        "terseLabel": "Entity Public Float"
       }
      }
     },
     "localname": "EntityPublicFloat",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "verboseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).",
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business"
       }
      }
     },
     "localname": "EntitySmallBusiness",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r731"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_EntityVoluntaryFilers": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
        "label": "Entity Voluntary Filers",
        "terseLabel": "Entity Voluntary Filers"
       }
      }
     },
     "localname": "EntityVoluntaryFilers",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "auth_ref": [
      "r740"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
        "label": "Entity Well-known Seasoned Issuer",
        "terseLabel": "Entity Well-known Seasoned Issuer"
       }
      }
     },
     "localname": "EntityWellKnownSeasonedIssuer",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_IcfrAuditorAttestationFlag": {
     "auth_ref": [
      "r734",
      "r735",
      "r736"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICFR Auditor Attestation Flag",
        "terseLabel": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "localname": "IcfrAuditorAttestationFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r730"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r733"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "verboseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2021q4",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "dvax_AcceleratedDepreciationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Employee severance and other benefits.",
        "label": "Accelerated Depreciation [Member]",
        "terseLabel": "Accelerated Depreciation"
       }
      }
     },
     "localname": "AcceleratedDepreciationMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_AccruedInventory": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "dvax_AccruedResearchAndDevelopmentExpensesAndAccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued inventory.",
        "label": "Accrued inventory",
        "verboseLabel": "Accrued inventory"
       }
      }
     },
     "localname": "AccruedInventory",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AccruedResearchAndDevelopmentExpensesAndAccruedLiabilitiesCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued research and development expenses and current accrued liabilities.",
        "label": "Accrued Research And Development Expenses And Accrued Liabilities Current",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "AccruedResearchAndDevelopmentExpensesAndAccruedLiabilitiesCurrent",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AccruedResearchAndDevelopmentExpensesCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued research and development expenses current.",
        "label": "Accrued Research And Development Expenses Current",
        "terseLabel": "Accrued research and development"
       }
      }
     },
     "localname": "AccruedResearchAndDevelopmentExpensesCurrent",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AdditionOfUndistributedEarningsAllocatedToSeriesBAndWarrants": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Addition of undistributed earnings allocated to Series B and warrants.",
        "label": "Addition of Undistributed Earnings Allocated to Series B and Warrants",
        "terseLabel": "Add: undistributed earnings allocated to Series B and warrants"
       }
      }
     },
     "localname": "AdditionOfUndistributedEarningsAllocatedToSeriesBAndWarrants",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AdvancePaymentFromCustomer": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Advance payment from customer.",
        "label": "Advance Payment From Customer",
        "terseLabel": "Advance payment from customer"
       }
      }
     },
     "localname": "AdvancePaymentFromCustomer",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AggregateAmountPayableToAcquireIntangibleAssets": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate amount payable to acquire intangible assets.",
        "label": "Aggregate Amount Payable To Acquire Intangible Assets",
        "terseLabel": "Aggregate amount payable to acquire intangible assets"
       }
      }
     },
     "localname": "AggregateAmountPayableToAcquireIntangibleAssets",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AgreementExpirationPeriodMonthAndYear": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agreement expiration month and year.",
        "label": "Agreement Expiration Period Month And Year",
        "terseLabel": "Agreement expiration month and year"
       }
      }
     },
     "localname": "AgreementExpirationPeriodMonthAndYear",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "gYearMonthItemType"
    },
    "dvax_AmendedTwoThousandAndEighteenEquityIncentivePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amended two thousand and eighteen equity incentive plan.",
        "label": "Amended Two Thousand And Eighteen Equity Incentive Plan [Member]",
        "terseLabel": "Amended 2018 Equity Incentive Plan"
       }
      }
     },
     "localname": "AmendedTwoThousandAndEighteenEquityIncentivePlanMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_AmountPaidToThirdParty": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount paid to third party.",
        "label": "Amount Paid To Third Party",
        "terseLabel": "Amount paid to third party"
       }
      }
     },
     "localname": "AmountPaidToThirdParty",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AmountSpendOnGrantRelatedActivity": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount Spend On Grant-related Activity",
        "label": "Amount Spend On Grant-related Activity",
        "terseLabel": "Amount Spend On Grant-related Activity"
       }
      }
     },
     "localname": "AmountSpendOnGrantRelatedActivity",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Antidilutive securities excluded from computation of earning per share.",
        "label": "Antidilutive Securities Excluded From Computation Of Earning Per Share [Abstract]",
        "terseLabel": "Outstanding securities not included in diluted net loss per share calculation (in thousands):"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_AssetPurchaseAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset purchase agreement.",
        "label": "Asset Purchase Agreement [Member]",
        "terseLabel": "Asset Purchase Agreement",
        "verboseLabel": "Asset Purchase Agreement"
       }
      }
     },
     "localname": "AssetPurchaseAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_BCIPLifeSciencesAssociatesLimitedPartnersMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "BCIP Life Sciences Associates, Limited Partners.",
        "label": "B C I P Life Sciences Associates Limited Partners [Member]",
        "terseLabel": "BCIP Life Sciences Associates, L.P"
       }
      }
     },
     "localname": "BCIPLifeSciencesAssociatesLimitedPartnersMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_BainCapitalLifeSciencesFundLimitedPartnerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bain Capital Life Sciences Fund, Limited Partner.",
        "label": "Bain Capital Life Sciences Fund Limited Partner [Member]",
        "terseLabel": "Bain Capital Life Sciences Fund, L.P"
       }
      }
     },
     "localname": "BainCapitalLifeSciencesFundLimitedPartnerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_BainLifeSciencesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bain life sciences.",
        "label": "Bain Life Sciences [Member]",
        "terseLabel": "Bain Life Sciences"
       }
      }
     },
     "localname": "BainLifeSciencesMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_BaseRentPerSquareFeet": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Base rent per square feet.",
        "label": "Base Rent Per Square Feet",
        "terseLabel": "Base rent per square feet"
       }
      }
     },
     "localname": "BaseRentPerSquareFeet",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_BillAndMelindaGatesFoundationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bill And Melinda Gates Foundation.",
        "label": "Bill And Melinda Gates Foundation [Member]",
        "terseLabel": "Bill &amp; Melinda Gates Foundation"
       }
      }
     },
     "localname": "BillAndMelindaGatesFoundationMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_BiologicalELimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Biological E Limited.",
        "label": "Biological E Limited [Member]",
        "terseLabel": "Biological E. Limited"
       }
      }
     },
     "localname": "BiologicalELimitedMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CRGServicingLLCMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "CRG Servicing LLC.",
        "label": "C R G Servicing L L C [Member]",
        "terseLabel": "CRG Servicing LLC"
       }
      }
     },
     "localname": "CRGServicingLLCMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CaliforniaAndOtherStatesTaxAuthorityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "California and other states tax authority.",
        "label": "California And Other States Tax Authority [Member]",
        "terseLabel": "California and Other States"
       }
      }
     },
     "localname": "CaliforniaAndOtherStatesTaxAuthorityMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CaliforniaStateTaxAuthorityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "California state tax authority.",
        "label": "California State Tax Authority [Member]",
        "terseLabel": "California State"
       }
      }
     },
     "localname": "CaliforniaStateTaxAuthorityMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CappedCallsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Capped Calls",
        "label": "Capped Calls [Member]",
        "terseLabel": "Capped Calls"
       }
      }
     },
     "localname": "CappedCallsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CappedCallsPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Capped Calls Policy Text Block",
        "label": "Capped Calls Policy [Text Block]",
        "terseLabel": "Capped Calls"
       }
      }
     },
     "localname": "CappedCallsPolicyTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_CashCashEquivalentsAndMarketableSecuritiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash, cash equivalents and marketable securities",
        "label": "Cash Cash Equivalents And Marketable Securities [Line Items]",
        "terseLabel": "Cash Cash Equivalents And Marketable Securities [Line Items]"
       }
      }
     },
     "localname": "CashCashEquivalentsAndMarketableSecuritiesLineItems",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_CashCashEquivalentsAndMarketableSecuritiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash cash equivalents and marketable securities.",
        "label": "Cash Cash Equivalents And Marketable Securities [Table]",
        "terseLabel": "Cash Cash Equivalents And Marketable Securities [Table]"
       }
      }
     },
     "localname": "CashCashEquivalentsAndMarketableSecuritiesTable",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_CashEquivalentsMaturityPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash equivalents maturity period.",
        "label": "Cash Equivalents Maturity Period",
        "terseLabel": "Cash equivalents original maturity period"
       }
      }
     },
     "localname": "CashEquivalentsMaturityPeriod",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "dvax_CashSettlement": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash settlement.",
        "label": "Cash Settlement",
        "terseLabel": "Cash settlement"
       }
      }
     },
     "localname": "CashSettlement",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_CepiAccrual": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "CEPI accrual.",
        "label": "CEPI accrual"
       }
      }
     },
     "localname": "CepiAccrual",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_CepiAccrualSeeNote9": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 20.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "CEPI accrual (see Note 9)",
        "label": "CEPI accrual (see Note 9)"
       }
      }
     },
     "localname": "CepiAccrualSeeNote9",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ChangeInUnrealizedGainOnMarketableSecuritiesAvailableForSale": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Change in unrealized gain on marketable securities available-for-sale",
        "label": "Change In Unrealized Gain On Marketable Securities Available For Sale",
        "terseLabel": "Change in unrealized gain on marketable securities available-for-sale"
       }
      }
     },
     "localname": "ChangeInUnrealizedGainOnMarketableSecuritiesAvailableForSale",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ClassOfWarrantOrRightIssued": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class of warrant or right issued.",
        "label": "Class Of Warrant Or Right Issued",
        "terseLabel": "Warrant issued"
       }
      }
     },
     "localname": "ClassOfWarrantOrRightIssued",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_CoalitionForEpidemicPreparednessInnovationsAccruals": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Coalition for Epidemic Preparedness Innovations accruals.",
        "label": "Coalition for Epidemic Preparedness Innovations Accruals",
        "terseLabel": "CEPI accrual"
       }
      }
     },
     "localname": "CoalitionForEpidemicPreparednessInnovationsAccruals",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_CoalitionForEpidemicPreparednessInnovationsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Coalition for Epidemic Preparedness Innovations.",
        "label": "Coalition For Epidemic Preparedness Innovations [Member]",
        "terseLabel": "Coalition for Epidemic Preparedness Innovations"
       }
      }
     },
     "localname": "CoalitionForEpidemicPreparednessInnovationsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CollaborationRevenueMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Collaboration revenue.",
        "label": "Collaboration Revenue [Member]",
        "terseLabel": "Collaboration Revenue"
       }
      }
     },
     "localname": "CollaborationRevenueMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CombinedPriceOfPreferredStockAndWarrant": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Combined price of preferred stock and warrant.",
        "label": "Combined Price Of Preferred Stock And Warrant",
        "terseLabel": "Combined price of preferred stock and warrant"
       }
      }
     },
     "localname": "CombinedPriceOfPreferredStockAndWarrant",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "dvax_CommonStockSalesAgreementAggregateSalesProceeds": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Common stock sales agreement aggregate sales proceeds.",
        "label": "Common Stock Sales Agreement Aggregate Sales Proceeds",
        "terseLabel": "Common stock sales agreement aggregate sales proceeds"
       }
      }
     },
     "localname": "CommonStockSalesAgreementAggregateSalesProceeds",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ComputerEquipmentGross": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Computer equipment, Gross.",
        "label": "Computer Equipment Gross",
        "terseLabel": "Computer equipment"
       }
      }
     },
     "localname": "ComputerEquipmentGross",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ConsiderationAllocatedToTheRemainingPerformanceObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Consideration Allocated To The Remaining Performance Obligation",
        "label": "Consideration Allocated To The Remaining Performance Obligation"
       }
      }
     },
     "localname": "ConsiderationAllocatedToTheRemainingPerformanceObligation",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ContingentMilestonePaymentReceivable": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contingent milestone payment receivable.",
        "label": "Contingent Milestone Payment Receivable",
        "terseLabel": "Additional milestone payments receivable"
       }
      }
     },
     "localname": "ContingentMilestonePaymentReceivable",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ContingentPrecommencializationMilestonePaymentsPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contingent precommencialization milestone payments percentage.",
        "label": "Contingent Precommencialization Milestone Payments Percentage",
        "terseLabel": "Contingent precommencialization milestone payments percentage"
       }
      }
     },
     "localname": "ContingentPrecommencializationMilestonePaymentsPercentage",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_ContractWithCustomersExpectedPeriodOfPaymentToBeReceived": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contract with customers expected period of payment to be received.",
        "label": "Contract With Customers Expected Period Of Payment To Be Received",
        "terseLabel": "Expected period of payment to be received"
       }
      }
     },
     "localname": "ContractWithCustomersExpectedPeriodOfPaymentToBeReceived",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "dvax_ConvertibleOptionalSeniorNotesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible Optional Senior Notes [Member]",
        "label": "Convertible Optional Senior Notes [Member]",
        "terseLabel": "Optional Notes"
       }
      }
     },
     "localname": "ConvertibleOptionalSeniorNotesMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ConvertibleSeniorNotesDueTwoThousandTwentySixMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible senior notes due two thousand twenty six.",
        "label": "Convertible Senior Notes Due Two Thousand Twenty Six [Member]",
        "terseLabel": "2.50% Convertible Senior Notes Due 2026"
       }
      }
     },
     "localname": "ConvertibleSeniorNotesDueTwoThousandTwentySixMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ConvertibleSeniorNotesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Convertible Senior Notes [Member]",
        "label": "Convertible Senior Notes [Member]",
        "terseLabel": "Notes"
       }
      }
     },
     "localname": "ConvertibleSeniorNotesMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CpG1018Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Product CpG 1018.",
        "label": "Cp G1018 [Member]",
        "terseLabel": "CpG 1018"
       }
      }
     },
     "localname": "CpG1018Member",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_Cpg1018AdjuvantInventoryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "CpG 1018 adjuvant inventory.",
        "label": "CpG 1018 Adjuvant Inventory [Member]",
        "terseLabel": "CpG 1018 Adjuvant Inventory"
       }
      }
     },
     "localname": "Cpg1018AdjuvantInventoryMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_CumulativeTranslationAdjustmentNetOfTax": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cumulative translation adjustment net of tax.",
        "label": "Cumulative Translation Adjustment Net Of Tax",
        "terseLabel": "Cumulative translation adjustment"
       }
      }
     },
     "localname": "CumulativeTranslationAdjustmentNetOfTax",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DebtInstrumentAdditionalIssueAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument additional issue amount.",
        "label": "Debt Instrument Additional Issue Amount",
        "terseLabel": "Additional issue amount"
       }
      }
     },
     "localname": "DebtInstrumentAdditionalIssueAmount",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DebtInstrumentCappedCallTransactionInitialCapPricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument capped call transaction initial cap price per share.",
        "label": "Debt Instrument Capped Call Transaction Initial Cap Price Per Share",
        "terseLabel": "Initial cap price"
       }
      }
     },
     "localname": "DebtInstrumentCappedCallTransactionInitialCapPricePerShare",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "dvax_DebtInstrumentCappedCallTransactionInitialStrikePricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument capped call transaction initial strike price per share.",
        "label": "Debt Instrument Capped Call Transaction Initial Strike Price Per Share",
        "terseLabel": "Initial strike price"
       }
      }
     },
     "localname": "DebtInstrumentCappedCallTransactionInitialStrikePricePerShare",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "dvax_DebtInstrumentConversionOriginalDebtBasePrincipalAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument conversion original debt base principal amount.",
        "label": "Debt Instrument Conversion Original Debt Base Principal Amount",
        "terseLabel": "Debt conversion, original debt, principal amount converted"
       }
      }
     },
     "localname": "DebtInstrumentConversionOriginalDebtBasePrincipalAmount",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DebtInstrumentConversionPeriodOneMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument conversion period one.",
        "label": "Debt Instrument Conversion Period One [Member]",
        "terseLabel": "Debt Instrument, Conversion, Period One"
       }
      }
     },
     "localname": "DebtInstrumentConversionPeriodOneMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_DebtInstrumentConversionPeriodTwoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument conversion period two.",
        "label": "Debt Instrument Conversion Period Two [Member]",
        "terseLabel": "Debt Instrument, Conversion, Period Two"
       }
      }
     },
     "localname": "DebtInstrumentConversionPeriodTwoMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_DebtInstrumentCovenantDailyMinimumCombinedCashAndInvestmentBalance": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument, covenant daily minimum combined cash and investment balance.",
        "label": "Debt Instrument Covenant Daily Minimum Combined Cash And Investment Balance",
        "terseLabel": "Debt instrument, covenant daily minimum combined cash and investment balance"
       }
      }
     },
     "localname": "DebtInstrumentCovenantDailyMinimumCombinedCashAndInvestmentBalance",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DeductionOfUndistributedEarningsAllocatedToSeriesBAndWarrants": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deduction of undistributed earnings allocated to Series B and warrants.",
        "label": "Deduction of Undistributed Earnings Allocated to Series B and Warrants",
        "terseLabel": "Less: undistributed earnings allocated to Series B and warrants"
       }
      }
     },
     "localname": "DeductionOfUndistributedEarningsAllocatedToSeriesBAndWarrants",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DeferredRevenueSubtractions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred revenue subtractions.",
        "label": "Deferred Revenue Subtractions",
        "terseLabel": "Subtractions"
       }
      }
     },
     "localname": "DeferredRevenueSubtractions",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DeferredTaxAssetsLeaseLiability": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred Tax Assets Lease Liability",
        "label": "Deferred Tax Assets Lease Liability",
        "terseLabel": "Lease Liability"
       }
      }
     },
     "localname": "DeferredTaxAssetsLeaseLiability",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred tax liabilities operating lease right of use assets.",
        "label": "Deferred Tax Liabilities Operating Lease Right Of Use Assets",
        "negatedLabel": "Operating lease right-of-use assets"
       }
      }
     },
     "localname": "DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_DeutscheBankSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deutsche bank securities.",
        "label": "Deutsche Bank Securities [Member]",
        "terseLabel": "Deutsche Bank Securities"
       }
      }
     },
     "localname": "DeutscheBankSecuritiesMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_DisclosureComponentOfCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure component of current accrued liabilities and accrued research and development.",
        "label": "Disclosure Component Of Current Accrued Liabilities And Accrued Research And Development [Abstract]"
       }
      }
     },
     "localname": "DisclosureComponentOfCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "xbrltype": "stringItemType"
    },
    "dvax_DisclosureComputationOfBasicAndDilutedEarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure computation of basic and diluted earnings per share.",
        "label": "Disclosure Computation Of Basic And Diluted Earnings Per Share [Abstract]"
       }
      }
     },
     "localname": "DisclosureComputationOfBasicAndDilutedEarningsPerShareAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "xbrltype": "stringItemType"
    },
    "dvax_DusseldorfLeaseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "New Dusseldorf Lease [Member]",
        "label": "New Dusseldorf Lease [Member]",
        "terseLabel": "New Dusseldorf Lease"
       }
      }
     },
     "localname": "DusseldorfLeaseMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_DynavaxTechnologiesCorporationInducementAwardPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dynavax Technologies Corporation inducement award plan.",
        "label": "Dynavax Technologies Corporation Inducement Award Plan [Member]",
        "terseLabel": "Dynavax Technologies Corporation 2021 Inducement Award Plan [Member]"
       }
      }
     },
     "localname": "DynavaxTechnologiesCorporationInducementAwardPlanMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_EarningsPerShareDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Earnings per share disclosure.",
        "label": "Earnings Per Share Disclosure [Line Items]",
        "terseLabel": "Earnings Per Share Disclosure [Line Items]"
       }
      }
     },
     "localname": "EarningsPerShareDisclosureLineItems",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_EarningsPerShareDisclosureTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Earnings per share disclosure.",
        "label": "Earnings Per Share Disclosure [Table]",
        "terseLabel": "Earnings Per Share Disclosure [Table]"
       }
      }
     },
     "localname": "EarningsPerShareDisclosureTable",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_EmployeeSeveranceAndOtherBenefitsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Employee severance and other benefits.",
        "label": "Employee Severance And Other Benefits [Member]",
        "terseLabel": "Employee Severance And Other Benefits"
       }
      }
     },
     "localname": "EmployeeSeveranceAndOtherBenefitsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodDecrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value measurement with unobservable inputs reconciliation recurring basis liability period decrease",
        "label": "Fair value measurement with unobservable inputs reconciliation recurring basis liability period decrease.",
        "terseLabel": "Decrease in fair value of warrants exercised"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodDecrease",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWarrantOnIssuanceDate": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value measurement with unobservable inputs reconciliation recurring basis liability warrant on issuance date.",
        "label": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Warrant On Issuance Date",
        "terseLabel": "Fair value of warrant liability at issuance date"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWarrantOnIssuanceDate",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ForgivableLoan": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Forgivable loan.",
        "label": "Forgivable Loan",
        "terseLabel": "Interest- free unsecured forgivable loan"
       }
      }
     },
     "localname": "ForgivableLoan",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_GainOnDisposalOfPropertyAndEquipmentAndLeaseTermination": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gain on disposal of property and equipment and lease termination.",
        "label": "Gain On Disposal Of Property And Equipment And Lease Termination",
        "negatedLabel": "Loss (gain) on disposal of property and equipment and from lease termination"
       }
      }
     },
     "localname": "GainOnDisposalOfPropertyAndEquipmentAndLeaseTermination",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_GlobalAccessAndStrategyCommitmentAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Global access and strategy/commitment agreement.",
        "label": "Global Access And Strategy Commitment Agreement [Member]",
        "terseLabel": "Global Access and Strategy/Commitment Agreement"
       }
      }
     },
     "localname": "GlobalAccessAndStrategyCommitmentAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_GrantAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Grant Agreement.",
        "label": "Grant Agreement [Member]",
        "terseLabel": "Grant Agreement"
       }
      }
     },
     "localname": "GrantAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_HEPLISAVBMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "HEPLISAV-B.",
        "label": "H E P L I S A V B [Member]",
        "terseLabel": "HEPLISAV-B"
       }
      }
     },
     "localname": "HEPLISAVBMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_HortonStreetMasterLeaseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Horton street master lease.",
        "label": "Horton Street Master Lease [Member]",
        "terseLabel": "Horton Street Master Lease",
        "verboseLabel": "Horton Street Master Lease"
       }
      }
     },
     "localname": "HortonStreetMasterLeaseMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_HortonStreetSubleaseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Horton street sublease.",
        "label": "Horton Street Sublease [Member]",
        "terseLabel": "Horton Street Sublease",
        "verboseLabel": "Horton Street Sublease"
       }
      }
     },
     "localname": "HortonStreetSubleaseMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_IncomeLossFromContinuingOperationsBeforeIncomeTaxes": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income loss\u200b from continuing\u200b operations before income\u200b taxes\u200b.",
        "label": "Income Loss From Continuing Operations Before Income Taxes",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxes",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IncomeTaxDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax disclosure.",
        "label": "Income Tax Disclosure [Line Items]",
        "terseLabel": "Income Tax Disclosure [Line Items]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureLineItems",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_IncomeTaxDisclosureTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax disclosure.",
        "label": "Income Tax Disclosure [Table]",
        "terseLabel": "Income Tax Disclosure [Table]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureTable",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_IncomeTaxRateReconciliationMarkToMarketOfWarrants": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 8.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax rate reconciliation mark to market of warrants.",
        "label": "Income Tax Rate Reconciliation Mark To Market Of Warrants",
        "terseLabel": "Mark-to-market of warrants"
       }
      }
     },
     "localname": "IncomeTaxRateReconciliationMarkToMarketOfWarrants",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IncomeTaxReconciliationDeferredCompensationCharges": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Income tax reconciliation deferred compensation charges.",
        "label": "Income Tax Reconciliation Deferred Compensation Charges",
        "terseLabel": "Deferred compensation charges"
       }
      }
     },
     "localname": "IncomeTaxReconciliationDeferredCompensationCharges",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IncomeTaxReconciliationTaxCredit": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.",
        "label": "Income Tax Reconciliation Tax Credit",
        "negatedLabel": "Business credits"
       }
      }
     },
     "localname": "IncomeTaxReconciliationTaxCredit",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IncreaseDecreaseInLeaseLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 21.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in lease liabilities.",
        "label": "Increase Decrease In Lease Liabilities",
        "negatedLabel": "Lease liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInLeaseLiabilities",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IncreaseDecreaseInPrepaidManufacturing": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 16.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in prepaid manufacturing.",
        "label": "Increase Decrease In Prepaid Manufacturing",
        "negatedLabel": "Prepaid manufacturing"
       }
      }
     },
     "localname": "IncreaseDecreaseInPrepaidManufacturing",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IncreaseInNumberOfEmployeeStockPurchasePlanSharesAuthorizedForIssuance": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase in number of employee stock purchase plan shares authorized for issuance.",
        "label": "Increase In Number Of Employee Stock Purchase Plan Shares Authorized For Issuance",
        "terseLabel": "Increase in aggregate number of shares of common stock authorized for issuance"
       }
      }
     },
     "localname": "IncreaseInNumberOfEmployeeStockPurchasePlanSharesAuthorizedForIssuance",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_InventoryWriteOffsRecognized": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inventory write-offs recognized",
        "label": "Inventory write-offs recognized",
        "terseLabel": "Inventory write-offs recognized"
       }
      }
     },
     "localname": "InventoryWriteOffsRecognized",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IssuanceOfCappedCallOptionsSeeNote10": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of capped call options (see Note 10)",
        "label": "Issuance of capped call options (see Note 10)"
       }
      }
     },
     "localname": "IssuanceOfCappedCallOptionsSeeNote10",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IssuanceOfCommonStockNetOfIssuanceCostsInConjunctionWithAnUnderwrittenPublicOfferingAndAnAtMarketSalesAgreement": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement",
        "label": "Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement",
        "terseLabel": "Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement"
       }
      }
     },
     "localname": "IssuanceOfCommonStockNetOfIssuanceCostsInConjunctionWithAnUnderwrittenPublicOfferingAndAnAtMarketSalesAgreement",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IssuanceOfCommonStockNetOfIssuanceCostsInConjunctionWithAnUnderwrittenPublicOfferingAndAnAtMarketSalesAgreementShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement (Shares)",
        "label": "Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement (Shares)",
        "terseLabel": "Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement (Shares)"
       }
      }
     },
     "localname": "IssuanceOfCommonStockNetOfIssuanceCostsInConjunctionWithAnUnderwrittenPublicOfferingAndAnAtMarketSalesAgreementShares",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_IssuanceOfCommonStockUponExerciseOfWarrants": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of common stock upon exercise of warrants",
        "label": "Issuance of common stock upon exercise of warrants",
        "terseLabel": "Issuance of common stock upon exercise of warrants"
       }
      }
     },
     "localname": "IssuanceOfCommonStockUponExerciseOfWarrants",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IssuanceOfCommonStockUponExerciseOfWarrantsShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of common stock upon exercise of warrants (Shares)",
        "label": "Issuance of common stock upon exercise of warrants (Shares)",
        "terseLabel": "Issuance of common stock upon exercise of warrants (Shares)"
       }
      }
     },
     "localname": "IssuanceOfCommonStockUponExerciseOfWarrantsShares",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_IssuanceOfConvertibleNotesOnPurchaseOfCappedCallOptionsValue": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance of convertible notes on purchase of capped call options value.",
        "label": "Issuance Of Convertible Notes On Purchase Of Capped Call Options Value",
        "terseLabel": "Net Proceeds to Pay the Costs"
       }
      }
     },
     "localname": "IssuanceOfConvertibleNotesOnPurchaseOfCappedCallOptionsValue",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_IssuanceWithholdingOfCommonStockUponExerciseOfOptionsVestingOfRestrictedStockUnitsAndVestingOfEarlyExercisedOptionsNetShares": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance (withholding) of common stock upon exercise of options vesting of restricted stock units and vesting of early exercised options net shares.",
        "label": "Issuance Withholding Of Common Stock Upon Exercise Of Options Vesting Of Restricted Stock Units And Vesting Of Early Exercised Options Net Shares",
        "terseLabel": "Issuance (withholding) of common stock upon exercise of stock options and restricted stock awards, net (in shares)"
       }
      }
     },
     "localname": "IssuanceWithholdingOfCommonStockUponExerciseOfOptionsVestingOfRestrictedStockUnitsAndVestingOfEarlyExercisedOptionsNetShares",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_IssuanceWithholdingOfCommonStockUponExerciseOfOptionsVestingOfRestrictedStockUnitsAndVestingOfEarlyExercisedOptionsNetValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Issuance (withholding) of common stock upon exercise of options vesting of restricted stock units and vesting of early exercised options net value.",
        "label": "Issuance Withholding Of Common Stock Upon Exercise Of Options Vesting Of Restricted Stock Units And Vesting Of Early Exercised Options Net Value",
        "terseLabel": "Issuance (withholding) of common stock upon exercise of stock options and restricted stock awards, net"
       }
      }
     },
     "localname": "IssuanceWithholdingOfCommonStockUponExerciseOfOptionsVestingOfRestrictedStockUnitsAndVestingOfEarlyExercisedOptionsNetValue",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LaboratoryEquipmentGross": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Laboratory Equipment Gross",
        "label": "Laboratory Equipment Gross",
        "terseLabel": "Lab equipment"
       }
      }
     },
     "localname": "LaboratoryEquipmentGross",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LaboratoryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Laboratory.",
        "label": "Laboratory [Member]",
        "terseLabel": "Lab Equipment"
       }
      }
     },
     "localname": "LaboratoryMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_LargestCollaborationPartnerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Largest collaboration partner",
        "label": "Largest Collaboration Partner [Member]",
        "terseLabel": "Largest Collaboration Partner"
       }
      }
     },
     "localname": "LargestCollaborationPartnerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_LargestCustomerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Largest Customer",
        "label": "Largest Customer [Member]",
        "terseLabel": "Largest Customer"
       }
      }
     },
     "localname": "LargestCustomerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_LeaseCommencementDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lease commencement date.",
        "label": "Lease Commencement Date",
        "terseLabel": "Operations commencement date"
       }
      }
     },
     "localname": "LeaseCommencementDate",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDue": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due.",
        "label": "Lessor Sublease Rentals Payments To Be Received Due",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDue",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due.",
        "label": "Lessor Sublease Rentals Payments To Be Received Due [Abstract]",
        "terseLabel": "Sublease Income"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDueAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDueThereafter": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 5.0,
       "parentTag": "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due thereafter.",
        "label": "Lessor Sublease Rentals Payments To Be Received Due Thereafter",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDueThereafter",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDueYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 4.0,
       "parentTag": "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due year five.",
        "label": "Lessor Sublease Rentals Payments To Be Received Due Year Five",
        "terseLabel": "2026"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDueYearFive",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDueYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due year four.",
        "label": "Lessor Sublease Rentals Payments To Be Received Due Year Four",
        "terseLabel": "2025"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDueYearFour",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDueYearThree": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due year three",
        "label": "Lessor Sublease Rentals Payments To Be Received Due Year Three",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDueYearThree",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDueYearTwo": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "dvax_LessorSubleaseRentalsPaymentsToBeReceivedDue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received due year two.",
        "label": "Lessor Sublease Rentals Payments To Be Received Due Year Two",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedDueYearTwo",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LessorSubleaseRentalsPaymentsToBeReceivedRemainderOfFiscalYear": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lessor sublease rentals payments to be received remainder of fiscal year.",
        "label": "Lessor Sublease Rentals Payments To Be Received Remainder Of Fiscal Year",
        "terseLabel": "2021 (remaining)",
        "verboseLabel": "2022"
       }
      }
     },
     "localname": "LessorSubleaseRentalsPaymentsToBeReceivedRemainderOfFiscalYear",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LicenseArrangementContingentConsiderationPercentage": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "License arrangement contingent consideration percentage.",
        "label": "License Arrangement Contingent Consideration Percentage",
        "terseLabel": "License arrangement contingent consideration percentage"
       }
      }
     },
     "localname": "LicenseArrangementContingentConsiderationPercentage",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_LicenseArrangementContingentPaymentToAcquireLicense": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "License arrangement contingent payment to acquire license.",
        "label": "License Arrangement Contingent Payment To Acquire License",
        "terseLabel": "License arrangement upfront payment"
       }
      }
     },
     "localname": "LicenseArrangementContingentPaymentToAcquireLicense",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_LiquidityAndFinancialConditionDisclosurePolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Liquidity and financial condition disclosure.",
        "label": "Liquidity And Financial Condition Disclosure Policy [Text Block]",
        "terseLabel": "Liquidity and Financial Condition"
       }
      }
     },
     "localname": "LiquidityAndFinancialConditionDisclosurePolicyTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_LoanAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Loan Agreement Member.",
        "label": "Loan Agreement [Member]",
        "terseLabel": "Loan Agreement"
       }
      }
     },
     "localname": "LoanAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_LongTermDeferredRevenueMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long-term deferred revenue",
        "label": "Long Term Deferred Revenue [Member]",
        "terseLabel": "Long-term Deferred Revenue"
       }
      }
     },
     "localname": "LongTermDeferredRevenueMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_MarketBasedPerformanceStockUnitMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Market-based performance stock unit.",
        "label": "Market Based Performance Stock Unit [Member]",
        "terseLabel": "Market Based Performance Stock Unit"
       }
      }
     },
     "localname": "MarketBasedPerformanceStockUnitMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_MaturitiesOfMarketableSecuritiesAvailableForSaleTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maturities of marketable securities available for sale.",
        "label": "Maturities Of Marketable Securities Available For Sale Table [Text Block]",
        "terseLabel": "Maturities of Marketable Securities Available-for-Sale"
       }
      }
     },
     "localname": "MaturitiesOfMarketableSecuritiesAvailableForSaleTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_MedigenVaccineBiologicsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Medigen Vaccine Biologics Member",
        "label": "Medigen Vaccine Biologics [Member]",
        "verboseLabel": "Medigen"
       }
      }
     },
     "localname": "MedigenVaccineBiologicsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_MerckMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Merck.",
        "label": "Merck [Member]",
        "terseLabel": "Merck"
       }
      }
     },
     "localname": "MerckMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_MerckSharpAndDohmeCorporationMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Merck Sharp and Dohme Corporation.",
        "label": "Merck Sharp And Dohme Corporation [Member]",
        "terseLabel": "Merck, Sharp &amp; Dohme Corp."
       }
      }
     },
     "localname": "MerckSharpAndDohmeCorporationMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_MinimumAgeApprovedForVaccinePreventionOfInfectionCaused": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Minimum age approved for vaccine prevention of infection caused.",
        "label": "Minimum Age Approved For Vaccine Prevention Of Infection Caused",
        "terseLabel": "Minimum age approved for vaccine prevention of infection caused"
       }
      }
     },
     "localname": "MinimumAgeApprovedForVaccinePreventionOfInfectionCaused",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "dvax_NetOperatingLossAndTaxCreditLimitation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net operating loss and tax credit limitation",
        "label": "Net operating loss and tax credit limitation"
       }
      }
     },
     "localname": "NetOperatingLossAndTaxCreditLimitation",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_NetOperatingLossAndTaxCreditLimitations": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net operating loss and tax credit limitations.",
        "label": "Net Operating Loss and Tax Credit Limitations",
        "terseLabel": "Net operating loss and tax credit limitation"
       }
      }
     },
     "localname": "NetOperatingLossAndTaxCreditLimitations",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_NonCashInterestExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Non-cash interest expense.",
        "label": "Non Cash Interest Expense",
        "terseLabel": "Non-cash interest expense"
       }
      }
     },
     "localname": "NonCashInterestExpense",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_NoncashOrPartNoncashAcquisitionOfTechnologyLicense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Noncash or part noncash, acquisition of technology license.",
        "label": "Noncash Or Part Noncash Acquisition Of Technology License",
        "terseLabel": "Non-cash acquisition of technology license"
       }
      }
     },
     "localname": "NoncashOrPartNoncashAcquisitionOfTechnologyLicense",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_NotFoundDuringMigrationDeprecatedConceptLeaseArrangementTypeAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Not Found During Migration Deprecated Concept Lease Arrangement Type [Axis]",
        "terseLabel": "Not Found During Migration Deprecated Concept Lease Arrangement Type"
       }
      }
     },
     "localname": "NotFoundDuringMigrationDeprecatedConceptLeaseArrangementTypeAxis",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_NotFoundDuringMigrationDeprecatedConceptLeaseArrangementTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Not Found During Migration Deprecated Concept Lease Arrangement Type [Domain]",
        "terseLabel": "Not Found During Migration Deprecated Concept Lease Arrangement Type"
       }
      }
     },
     "localname": "NotFoundDuringMigrationDeprecatedConceptLeaseArrangementTypeDomain",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_NumberOfCommonStockPreferredStockConvertibleInto": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of common stock preferred stock convertible into.",
        "label": "Number Of Common Stock Preferred Stock Convertible Into",
        "terseLabel": "Number of common stock allowed to purchase"
       }
      }
     },
     "localname": "NumberOfCommonStockPreferredStockConvertibleInto",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_NumberOfCommonStockWarrantExercised": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of common stock warrant exercised.",
        "label": "Number of Common Stock Warrant Exercised",
        "terseLabel": "Number of common stock warrants exercised"
       }
      }
     },
     "localname": "NumberOfCommonStockWarrantExercised",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_NumberOfInstallments": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of installments.",
        "label": "Number Of Installments",
        "terseLabel": "Number of installments"
       }
      }
     },
     "localname": "NumberOfInstallments",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "dvax_OpeartingLeaseRentArea": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Opearting lease rent area.",
        "label": "Opearting Lease Rent Area",
        "terseLabel": "Lease area"
       }
      }
     },
     "localname": "OpeartingLeaseRentArea",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "areaItemType"
    },
    "dvax_OperatingLeaseRightOfUseAssetAmortization": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operating lease right of use asset amortization.",
        "label": "Operating Lease Right Of Use Asset Amortization",
        "terseLabel": "Amortization of right-of-use assets"
       }
      }
     },
     "localname": "OperatingLeaseRightOfUseAssetAmortization",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_OperatingLossCarryforwardExpirationYear": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Operating loss carryforward, expiration year.",
        "label": "Operating Loss Carryforward Expiration Year",
        "terseLabel": "Net operating loss carryforwards, expiration year"
       }
      }
     },
     "localname": "OperatingLossCarryforwardExpirationYear",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "gYearItemType"
    },
    "dvax_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Organization consolidation and presentation of financial statements disclosure.",
        "label": "Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]",
        "terseLabel": "Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Organization consolidation and presentation of financial statements disclosure.",
        "label": "Organization Consolidation And Presentation Of Financial Statements Disclosure [Table]",
        "terseLabel": "Organization Consolidation And Presentation Of Financial Statements Disclosure [Table]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_OtherLongTermLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other Long Term Liabilities Member",
        "label": "Other Long Term Liabilities [Member]",
        "verboseLabel": "Other Long Term Liabilities"
       }
      }
     },
     "localname": "OtherLongTermLiabilitiesMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_OtherRevenueMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other revenue.",
        "label": "Other Revenue [Member]",
        "terseLabel": "Other Revenue"
       }
      }
     },
     "localname": "OtherRevenueMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_PaymentReceivedForPreCommercializationMilestone": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payment received for pre-commercialization milestone",
        "label": "Payment Received For Pre Commercialization Milestone"
       }
      }
     },
     "localname": "PaymentReceivedForPreCommercializationMilestone",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_PaymentsForPurchaseOfCappedCallOptions": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash outflow for purchase of capped call options.",
        "label": "Payments For Purchase Of Capped Call Options",
        "negatedLabel": "Purchases of capped call options"
       }
      }
     },
     "localname": "PaymentsForPurchaseOfCappedCallOptions",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_PaymentsToAcquireTechnologyLicenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 0.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payments to acquire technology licenses.",
        "label": "Payments To Acquire Technology Licenses",
        "negatedLabel": "Acquisition of technology licenses"
       }
      }
     },
     "localname": "PaymentsToAcquireTechnologyLicenses",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_PercentageOfCapitalStockOfSubsidiariesSubjectToCertainException": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of capital stock of subsidiaries subject to certain exception.",
        "label": "Percentage Of Capital Stock Of Subsidiaries Subject To Certain Exception",
        "terseLabel": "Percentage of capital stock of subsidiaries subject to certain exception"
       }
      }
     },
     "localname": "PercentageOfCapitalStockOfSubsidiariesSubjectToCertainException",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfCommonStockHeldNotToExceedByHolderAndAffiliatesForWarrantExercises": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of common stock held not to exceed by holder and affiliates for warrant exercises.",
        "label": "Percentage Of Common Stock Held Not To Exceed By Holder And Affiliates For Warrant Exercises",
        "terseLabel": "Percentage of common stock held not to exceed for warrant exercises"
       }
      }
     },
     "localname": "PercentageOfCommonStockHeldNotToExceedByHolderAndAffiliatesForWarrantExercises",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfCommonStockToBeHeldByHolderAndAffiliatesForConversionOfPreferredStock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of common stock to be held by holder and affiliates for conversion of preferred stock.",
        "label": "Percentage Of Common Stock To Be Held By Holder And Affiliates For Conversion Of Preferred Stock",
        "terseLabel": "Percentage of common stock to be held for conversion"
       }
      }
     },
     "localname": "PercentageOfCommonStockToBeHeldByHolderAndAffiliatesForConversionOfPreferredStock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfCommonStockToBeHeldByHolderAndAffiliatesForExerciseOfWarrants": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of common stock to be held by holder and affiliates for exercise of warrants.",
        "label": "Percentage Of Common Stock To Be Held By Holder And Affiliates For Exercise Of Warrants",
        "terseLabel": "Percentage of common stock to be held for exercise of warrants"
       }
      }
     },
     "localname": "PercentageOfCommonStockToBeHeldByHolderAndAffiliatesForExerciseOfWarrants",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfExcessRentPaidToLandlord": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of excess rent paid to landlord.",
        "label": "Percentage Of Excess Rent Paid To Landlord",
        "terseLabel": "Percentage of excess rent paid to landlord"
       }
      }
     },
     "localname": "PercentageOfExcessRentPaidToLandlord",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfFeePayableUponPartialPrepaymentOrMaturity": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of fee payable upon partial prepayment or maturity.",
        "label": "Percentage Of Fee Payable Upon Partial Prepayment Or Maturity",
        "terseLabel": "Percentage of fee payable upon partial prepayment or maturity"
       }
      }
     },
     "localname": "PercentageOfFeePayableUponPartialPrepaymentOrMaturity",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfLongLivedAssets": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of long lived assets.",
        "label": "Percentage Of Long Lived Assets",
        "terseLabel": "Percentage of long lived assets"
       }
      }
     },
     "localname": "PercentageOfLongLivedAssets",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PercentageOfRevenueEarned": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of revenue earned.",
        "label": "Percentage Of Revenue Earned",
        "terseLabel": "Percentage of revenue earned"
       }
      }
     },
     "localname": "PercentageOfRevenueEarned",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_PerformanceBasedRestrictedStockUnitsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance based restricted stock units.",
        "label": "Performance Based Restricted Stock Units [Member]",
        "terseLabel": "Performance Based Restricted Stock Units"
       }
      }
     },
     "localname": "PerformanceBasedRestrictedStockUnitsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_PerformanceBasedVestingScheduleMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Performance based vesting schedule.",
        "label": "Performance Based Vesting Schedule [Member]",
        "terseLabel": "Performance Based Vesting Schedule"
       }
      }
     },
     "localname": "PerformanceBasedVestingScheduleMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_PowellStreetSubleaseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Powell Street Sublease.",
        "label": "Powell Street Sublease [Member]",
        "terseLabel": "Powell Street Sublease"
       }
      }
     },
     "localname": "PowellStreetSubleaseMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_PreferredStockCommonStockAndWarrantsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred stock common Stock and warrants.",
        "label": "Preferred Stock Common Stock And Warrants [Abstract]"
       }
      }
     },
     "localname": "PreferredStockCommonStockAndWarrantsAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "xbrltype": "stringItemType"
    },
    "dvax_PreferredStockConversionPricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred stock conversion price per share.",
        "label": "Preferred Stock Conversion Price Per Share",
        "terseLabel": "Conversion price per share"
       }
      }
     },
     "localname": "PreferredStockConversionPricePerShare",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "dvax_PreferredStockDeemedDividend": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred stock deemed dividend.",
        "label": "Preferred Stock Deemed Dividend",
        "negatedLabel": "Preferred stock deemed dividend",
        "terseLabel": "Preferred stock deemed dividend"
       }
      }
     },
     "localname": "PreferredStockDeemedDividend",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_PrepaidManufacturing": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Prepaid Manufacturing.",
        "label": "Prepaid Manufacturing",
        "terseLabel": "Prepaid manufacturing"
       }
      }
     },
     "localname": "PrepaidManufacturing",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_PriceOfCommonStock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Price of common stock.",
        "label": "Price Of Common Stock",
        "terseLabel": "Price of common stock"
       }
      }
     },
     "localname": "PriceOfCommonStock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "dvax_ProceedsAllocatedToWarrantLiabilityAtIssuance": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proceeds allocated to warrant liability at issuance.",
        "label": "Proceeds Allocated To Warrant Liability At Issuance",
        "terseLabel": "Proceeds allocated to warrant liability at issuance"
       }
      }
     },
     "localname": "ProceedsAllocatedToWarrantLiabilityAtIssuance",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProceedsFromCashReceived": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "proceeds from cash received.",
        "label": "Proceeds From Cash Received",
        "terseLabel": "Received Net Cash Proceeds"
       }
      }
     },
     "localname": "ProceedsFromCashReceived",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProceedsFromExerciseOfStockOptionsAndRestrictedStockAwardsNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proceeds from exercise of stock options and restricted stock awards net.",
        "label": "Proceeds From Exercise Of Stock Options And Restricted Stock Awards Net",
        "terseLabel": "Proceeds from exercise of stock options and restricted stock awards, net"
       }
      }
     },
     "localname": "ProceedsFromExerciseOfStockOptionsAndRestrictedStockAwardsNet",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProceedsFromGrant": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proceeds from grant.",
        "label": "Proceeds From Grant",
        "terseLabel": "Proceeds from grant"
       }
      }
     },
     "localname": "ProceedsFromGrant",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProceedsFromIssuanceOfCommonStockAuthorizedRemainingCapacity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proceeds from issuance of common stock authorized, remaining capacity.",
        "label": "Proceeds From Issuance Of Common Stock Authorized Remaining Capacity",
        "terseLabel": "Remaining proceeds from common stock, under sales agreement"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfCommonStockAuthorizedRemainingCapacity",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProceedsFromWarrantsSale": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "proceeds from warrants sale.",
        "label": "Proceeds From Warrants Sale",
        "verboseLabel": "Proceeds From Warrants Sale"
       }
      }
     },
     "localname": "ProceedsFromWarrantsSale",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_ProductRevenueAllowanceAndReservesCreditOrPaymentsMadeDuringPeriod": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Product revenue allowance and reserves credit or payments made during the period.",
        "label": "Product Revenue Allowance And Reserves Credit Or Payments Made During Period",
        "terseLabel": "Credit or payments made during the period"
       }
      }
     },
     "localname": "ProductRevenueAllowanceAndReservesCreditOrPaymentsMadeDuringPeriod",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProductRevenueAllowanceAndReservesProvisionRelatedToCurrentPeriodSales": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Product revenue allowance and reserves provision related to current period sales.",
        "label": "Product Revenue Allowance And Reserves Provision Related To Current Period Sales",
        "terseLabel": "Provisions related to current period sales"
       }
      }
     },
     "localname": "ProductRevenueAllowanceAndReservesProvisionRelatedToCurrentPeriodSales",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ProductionScaleupAndReservationFee": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Production scale-up and reservation fee.",
        "label": "Production Scaleup And Reservation Fee",
        "terseLabel": "Reservation fees"
       }
      }
     },
     "localname": "ProductionScaleupAndReservationFee",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ReconciliationOfCashCashEquivalentsAndRestrictedCashToStatementOfCashFlowsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reconciliation of cash, cash equivalents and restricted cash to the statement of cash flows.",
        "label": "Reconciliation Of Cash Cash Equivalents And Restricted Cash To Statement Of Cash Flows Table [Text Block]",
        "terseLabel": "Reconciliation of Cash, Cash Equivalents and Restricted Cash"
       }
      }
     },
     "localname": "ReconciliationOfCashCashEquivalentsAndRestrictedCashToStatementOfCashFlowsTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_ReservationAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reservation Agreement.",
        "label": "Reservation Agreement [Member]",
        "terseLabel": "Reservation Agreement"
       }
      }
     },
     "localname": "ReservationAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ReservesAccrualBalance": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reserves Accrual Balance.",
        "label": "Reserves Accrual Balance",
        "periodEndLabel": "Balance at End of Period",
        "periodStartLabel": "Balance at Beginning of Period"
       }
      }
     },
     "localname": "ReservesAccrualBalance",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_RevenueFromContractWithCustomerIncreaseDecrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue from contract with customer increase decrease.",
        "label": "Revenue From Contract With Customer Increase Decrease",
        "terseLabel": "Increase in product revenue"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerIncreaseDecrease",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_RevenueReserveAccrualCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "dvax_AccruedResearchAndDevelopmentExpensesAndAccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue reserve accrual current.",
        "label": "Revenue Reserve Accrual Current",
        "terseLabel": "Revenue reserve accruals"
       }
      }
     },
     "localname": "RevenueReserveAccrualCurrent",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_RevenueReserveAccrualsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue reserve accruals.",
        "label": "Revenue Reserve Accruals [Member]",
        "terseLabel": "Revenue Reserve Accruals"
       }
      }
     },
     "localname": "RevenueReserveAccrualsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ScheduleOfAccruedLiabilitiesAndAccruedResearchAndDevelopmentTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of accrued liabilities and accrued research and development.",
        "label": "Schedule Of Accrued Liabilities And Accrued Research And Development Table [Text Block]",
        "terseLabel": "Component of Current Accrued Liabilities"
       }
      }
     },
     "localname": "ScheduleOfAccruedLiabilitiesAndAccruedResearchAndDevelopmentTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_ScheduleOfBalanceSheetComponentsOfOperatingLeaseLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of balance sheet components of operating lease liabilities.",
        "label": "Schedule Of Balance Sheet Components Of Operating Lease Liabilities Table [Text Block]",
        "terseLabel": "Summary of Balance Sheet Classification of Operating Lease Liabilities"
       }
      }
     },
     "localname": "ScheduleOfBalanceSheetComponentsOfOperatingLeaseLiabilitiesTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_ScheduleOfConvertibleNotesInterestExpenseTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of convertible notes interest expense.",
        "label": "Schedule Of Convertible Notes Interest Expense Table [Text Block]",
        "terseLabel": "Summary of Interest Expenses Related to Convertible Notes"
       }
      }
     },
     "localname": "ScheduleOfConvertibleNotesInterestExpenseTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_ScheduleOfMaterialPurchaseCommitmentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of material purchase commitments [Table Text Block]",
        "label": "Schedule of material purchase commitments [Table Text Block]",
        "terseLabel": "Schedule of Material Purchase Commitments"
       }
      }
     },
     "localname": "ScheduleOfMaterialPurchaseCommitmentsTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_ScheduleOfPerformanceBasedRestrictedStockUnitTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Summary of performance based restricted stock unit.",
        "label": "Schedule Of Performance Based Restricted Stock Unit Table [Text Block]",
        "terseLabel": "Summary Of Performance Based Restricted Stock Unit"
       }
      }
     },
     "localname": "ScheduleOfPerformanceBasedRestrictedStockUnitTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_SecondLargestCollaborationPartnerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Second largest collaboration partner",
        "label": "Second Largest Collaboration Partner [Member]",
        "terseLabel": "Second Largest Collaboration Partner"
       }
      }
     },
     "localname": "SecondLargestCollaborationPartnerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SecondLargestCustomerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Second largest Customer",
        "label": "Second Largest Customer [Member]",
        "terseLabel": "Second Largest Customer"
       }
      }
     },
     "localname": "SecondLargestCustomerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_Section162MLimitation": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 6.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "section 162 (m) Limitation.",
        "label": "section 162 (m) Limitation",
        "terseLabel": "Section 162(m) limitation"
       }
      }
     },
     "localname": "Section162MLimitation",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_SecuredLongTermDebtNoncurrentPlusInterestInKind": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount of collateralized debt obligations, plus interest-in-kind, with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion.",
        "label": "Secured Long Term Debt Noncurrent Plus Interest In Kind",
        "terseLabel": "Principal amount including interest paid in kind"
       }
      }
     },
     "localname": "SecuredLongTermDebtNoncurrentPlusInterestInKind",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_SellingCommissionPercentageFromGrossOfferingProceedsOfSalesOfStock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Selling commission percentage from gross offering proceeds of sales of stock.",
        "label": "Selling Commission Percentage From Gross Offering Proceeds Of Sales Of Stock",
        "terseLabel": "Commission on gross sales proceeds of common stock"
       }
      }
     },
     "localname": "SellingCommissionPercentageFromGrossOfferingProceedsOfSalesOfStock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "dvax_SeriesBConvertiblePreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Series B convertible preferred stock.",
        "label": "Series B Convertible Preferred Stock [Member]",
        "terseLabel": "Series B Convertible Preferred Stock",
        "verboseLabel": "Series B Convertible Preferred Stock"
       }
      }
     },
     "localname": "SeriesBConvertiblePreferredStockMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SeriesCConvertiblePreferredStocksMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Series C convertible preferred stocks.",
        "label": "Series C Convertible Preferred Stocks [Member]",
        "terseLabel": "Series C Convertible Preferred Stock"
       }
      }
     },
     "localname": "SeriesCConvertiblePreferredStocksMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SerumInstituteOfIndiaPrivateLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Serum Institute of India Private Limited.",
        "label": "Serum Institute Of India Private Limited [Member]",
        "terseLabel": "Serum Institute of India Pvt. Ltd."
       }
      }
     },
     "localname": "SerumInstituteOfIndiaPrivateLimitedMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ServicesAndMaterialsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Services and Materials.",
        "label": "Services And Materials [Member]",
        "terseLabel": "Services and Materials"
       }
      }
     },
     "localname": "ServicesAndMaterialsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SeveranceAndOtherTerminationBenefitsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Severance and other termination benefits.",
        "label": "Severance And Other Termination Benefits [Member]",
        "terseLabel": "Severance and Other Termination Benefits"
       }
      }
     },
     "localname": "SeveranceAndOtherTerminationBenefitsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation arrangement by share based payment award options aggregate intrinsic value.",
        "label": "Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract]",
        "terseLabel": "Aggregate Intrinsic Value"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation arrangement by share based payment award options weighted average remaining contractual term.",
        "label": "Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract]",
        "terseLabel": "Weighted-Average Remaining Contractual Term (years)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dvax_SharesAvailableForPurchasesUnderEmployeePurchasePlan": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shares available for purchases under employee purchase plan.",
        "label": "Shares Available For Purchases Under Employee Purchase Plan",
        "terseLabel": "Shares remaining available for future purchases"
       }
      }
     },
     "localname": "SharesAvailableForPurchasesUnderEmployeePurchasePlan",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_SharesPurchasedByEmployeesUnderEmployeePurchasePlan": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shares purchased by employees under employee purchase plan.",
        "label": "Shares Purchased By Employees Under Employee Purchase Plan",
        "terseLabel": "Shares issued to employees"
       }
      }
     },
     "localname": "SharesPurchasedByEmployeesUnderEmployeePurchasePlan",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_StockBasedCompensationExpenseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock-based compensation expense.",
        "label": "Stock Based Compensation Expense [Member]",
        "terseLabel": "Stock-Based Compensation Expense"
       }
      }
     },
     "localname": "StockBasedCompensationExpenseMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_StockOptionsAndShareAwardsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock options and share awards.",
        "label": "Stock Options And Share Awards [Member]",
        "terseLabel": "Stock Options and Stock Awards"
       }
      }
     },
     "localname": "StockOptionsAndShareAwardsMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_StockRedeemedDuringPeriodSharesConversionOfConvertibleSecurities": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock redeemed during period shares conversion of convertible securities.",
        "label": "Stock Redeemed During Period Shares Conversion Of Convertible Securities",
        "negatedLabel": "Stock Redeemed During Period, Shares, Conversion of Convertible Securities (in shares)"
       }
      }
     },
     "localname": "StockRedeemedDuringPeriodSharesConversionOfConvertibleSecurities",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "dvax_SubleaseIncomeAndOperatingLeaseLiabilityMaturityTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sublease income and operating lease liability maturity.",
        "label": "Sublease Income And Operating Lease Liability Maturity Table [Text Block]",
        "terseLabel": "Summary of Maturities of Sublease Income and Operating Lease Liabilities"
       }
      }
     },
     "localname": "SubleaseIncomeAndOperatingLeaseLiabilityMaturityTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_SublicenseAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sublicense agreement.",
        "label": "Sublicense Agreement [Member]",
        "terseLabel": "Sublicense Agreement"
       }
      }
     },
     "localname": "SublicenseAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SublicenseLiabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sublicense liability.",
        "label": "Sublicense Liability [Member]",
        "terseLabel": "Sublicense Liability"
       }
      }
     },
     "localname": "SublicenseLiabilityMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SummaryOfProductRevenueAllowanceAndReserveCategoriesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Summary of product revenue allowance and reserve categories.",
        "label": "Summary Of Product Revenue Allowance And Reserve Categories Table [Text Block]",
        "terseLabel": "Summary of Product Revenue Allowance and Reserve Categories"
       }
      }
     },
     "localname": "SummaryOfProductRevenueAllowanceAndReserveCategoriesTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_SummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Summary of weighted average remaining lease term and weighted average discount rate.",
        "label": "Summary Of Weighted Average Remaining Lease Term And Weighted Average Discount Rate Table [Text Block]",
        "terseLabel": "Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rate"
       }
      }
     },
     "localname": "SummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dvax_SupplyAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Supply agreement.",
        "label": "Supply Agreement [Member]",
        "terseLabel": "Supply Agreement"
       }
      }
     },
     "localname": "SupplyAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_SymphonyDynamoHoldingsLlcMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Symphony Dynamo Holdings LLC.",
        "label": "Symphony Dynamo Holdings Llc [Member]",
        "terseLabel": "Symphony Dynamo Holdings Llc",
        "verboseLabel": "Symphony Dynamo Holdings LLC"
       }
      }
     },
     "localname": "SymphonyDynamoHoldingsLlcMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TaxCreditCarryforwardExpirationYear": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tax credit carryforward, expiration year.",
        "label": "Tax Credit Carryforward Expiration Year",
        "terseLabel": "Tax credit carryforward amount, expiration year"
       }
      }
     },
     "localname": "TaxCreditCarryforwardExpirationYear",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "gYearItemType"
    },
    "dvax_ThirdLargestCollaborationPartnerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Third largest collaboration partner member",
        "label": "Third Largest Collaboration Partner Member",
        "terseLabel": "Third Largest Customer"
       }
      }
     },
     "localname": "ThirdLargestCollaborationPartnerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_ThirdLargestCustomerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Third largest Customer",
        "label": "Third Largest Customer [Member]",
        "terseLabel": "Third Largest Customer"
       }
      }
     },
     "localname": "ThirdLargestCustomerMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TimeBasedVestingScheduleMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Time based vesting schedule.",
        "label": "Time Based Vesting Schedule [Member]",
        "terseLabel": "Time Based Vesting Schedule"
       }
      }
     },
     "localname": "TimeBasedVestingScheduleMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TrisalusLifeSciencesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "TriSalus Life Sciences [Member]",
        "label": "TriSalus Life Sciences [Member]",
        "terseLabel": "Trisalus Life Sciences"
       }
      }
     },
     "localname": "TrisalusLifeSciencesMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TwentySeventeenAtTheMarketAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Twenty seventeen at the market agreement.",
        "label": "Twenty Seventeen At The Market Agreement [Member]",
        "terseLabel": "2017 ATM Agreement"
       }
      }
     },
     "localname": "TwentySeventeenAtTheMarketAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TwoThousandAndEighteenEquityIncentivePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand and eighteen equity incentive plan.",
        "label": "Two Thousand And Eighteen Equity Incentive Plan [Member]",
        "terseLabel": "2018 Equity Incentive Plan"
       }
      }
     },
     "localname": "TwoThousandAndEighteenEquityIncentivePlanMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TwoThousandAndFourteenEmployeeStockPurchasePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand and fourteen employee stock purchase plan.",
        "label": "Two Thousand And Fourteen Employee Stock Purchase Plan [Member]",
        "terseLabel": "2014 Employee Stock Purchase Plan"
       }
      }
     },
     "localname": "TwoThousandAndFourteenEmployeeStockPurchasePlanMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_TwoThousandTwentyATMAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two Thousand Twenty ATM Agreement.",
        "label": "Two Thousand Twenty A T M Agreement [Member]",
        "terseLabel": "2020 ATM Agreement"
       }
      }
     },
     "localname": "TwoThousandTwentyATMAgreementMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_USDepartmentOfDefenseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "U S Department of Defense.",
        "label": "U S Department Of Defense [Member]",
        "terseLabel": "U.S. Department of Defense"
       }
      }
     },
     "localname": "USDepartmentOfDefenseMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_UndistributedEarningsAllocatedToParticipatingSecurities": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Undistributed earnings allocated to participating securities.",
        "label": "Undistributed Earnings Allocated to Participating Securities",
        "negatedLabel": "Undistributed earnings allocated to participating securities",
        "terseLabel": "Undistributed earnings allocated to participating securities"
       }
      }
     },
     "localname": "UndistributedEarningsAllocatedToParticipatingSecurities",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_UnvestedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unvested.",
        "label": "Unvested [Member]",
        "terseLabel": "Unvested"
       }
      }
     },
     "localname": "UnvestedMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_UpfrontPayment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Upfront payment.",
        "label": "Upfront Payment",
        "terseLabel": "Upfront payment"
       }
      }
     },
     "localname": "UpfrontPayment",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_UpfrontPaymentReceivable": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Upfront payment receivable.",
        "label": "Upfront Payment Receivable",
        "terseLabel": "Upfront payment receivable"
       }
      }
     },
     "localname": "UpfrontPaymentReceivable",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_ValnevaSEMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Valneva SE.",
        "label": "Valneva S E [Member]",
        "terseLabel": "Valneva SE"
       }
      }
     },
     "localname": "ValnevaSEMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_VestedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vested.",
        "label": "Vested [Member]",
        "terseLabel": "Vested"
       }
      }
     },
     "localname": "VestedMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dvax_WarrantLiabilityCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrant liability current.",
        "label": "Warrant Liability Current",
        "terseLabel": "Warrant liability"
       }
      }
     },
     "localname": "WarrantLiabilityCurrent",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dvax_WarrantsExpirationDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants expiration date.",
        "label": "Warrants Expiration Date",
        "terseLabel": "Expiration Date"
       }
      }
     },
     "localname": "WarrantsExpirationDate",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "dvax_WarrantsFairValueAssumptionsDividendYield": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants fair value assumptions dividend yield.",
        "label": "Warrants Fair Value Assumptions Dividend Yield",
        "terseLabel": "Dividend yield"
       }
      }
     },
     "localname": "WarrantsFairValueAssumptionsDividendYield",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "dvax_WarrantsFairValueAssumptionsRiskFreeRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants fair value assumptions risk free rate.",
        "label": "Warrants Fair Value Assumptions Risk Free Rate",
        "terseLabel": "Risk-free interest rate"
       }
      }
     },
     "localname": "WarrantsFairValueAssumptionsRiskFreeRate",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "dvax_WarrantsFairValueAssumptionsVolatility": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants fair value assumptions volatility.",
        "label": "Warrants Fair Value Assumptions Volatility",
        "terseLabel": "Expected volatility"
       }
      }
     },
     "localname": "WarrantsFairValueAssumptionsVolatility",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "dvax_WarrantsIssuanceDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Warrants issuance date.",
        "label": "Warrants Issuance Date",
        "terseLabel": "Warrants Issuance Date"
       }
      }
     },
     "localname": "WarrantsIssuanceDate",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "dvax_ZhejiangCloverBiopharmaceuticalsIncAndCloverHongKongIncMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Zhejiang clover biopharmaceuticals, inc and clover hong kong inc member.",
        "label": "Zhejiang Clover Biopharmaceuticals Inc And Clover Hong Kong Inc [Member]",
        "verboseLabel": "Clover"
       }
      }
     },
     "localname": "ZhejiangCloverBiopharmaceuticalsIncAndCloverHongKongIncMember",
     "nsuri": "http://www.dynavax.com/20211231",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidatedEntitiesAxis": {
     "auth_ref": [
      "r151",
      "r322",
      "r326",
      "r331",
      "r551",
      "r552",
      "r554",
      "r555",
      "r614",
      "r726"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated Entities [Axis]",
        "terseLabel": "Consolidated Entities"
       }
      }
     },
     "localname": "ConsolidatedEntitiesAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidatedEntitiesDomain": {
     "auth_ref": [
      "r151",
      "r322",
      "r326",
      "r331",
      "r551",
      "r552",
      "r554",
      "r555",
      "r614",
      "r726"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated Entities [Domain]",
        "terseLabel": "Consolidated Entities"
       }
      }
     },
     "localname": "ConsolidatedEntitiesDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CounterpartyNameAxis": {
     "auth_ref": [
      "r73",
      "r75",
      "r149",
      "r150",
      "r337",
      "r378"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name"
       }
      }
     },
     "localname": "CounterpartyNameAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_MajorCustomersAxis": {
     "auth_ref": [
      "r236",
      "r421",
      "r426",
      "r684"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Axis]"
       }
      }
     },
     "localname": "MajorCustomersAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [
      "r336",
      "r377",
      "r453",
      "r454",
      "r624",
      "r625",
      "r626",
      "r627",
      "r628",
      "r629",
      "r633",
      "r681",
      "r685",
      "r727",
      "r728"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [
      "r336",
      "r377",
      "r453",
      "r454",
      "r624",
      "r625",
      "r626",
      "r627",
      "r628",
      "r629",
      "r633",
      "r681",
      "r685",
      "r727",
      "r728"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Minimum [Member]",
        "terseLabel": "Minimum",
        "verboseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_NameOfMajorCustomerDomain": {
     "auth_ref": [
      "r236",
      "r421",
      "r426",
      "r684"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Domain]"
       }
      }
     },
     "localname": "NameOfMajorCustomerDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ProductOrServiceAxis": {
     "auth_ref": [
      "r233",
      "r421",
      "r424",
      "r636",
      "r680",
      "r682"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Axis]",
        "terseLabel": "Product and Service"
       }
      }
     },
     "localname": "ProductOrServiceAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ProductsAndServicesDomain": {
     "auth_ref": [
      "r233",
      "r421",
      "r424",
      "r636",
      "r680",
      "r682"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Domain]",
        "terseLabel": "Product and Service"
       }
      }
     },
     "localname": "ProductsAndServicesDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [
      "r336",
      "r377",
      "r431",
      "r453",
      "r454",
      "r624",
      "r625",
      "r626",
      "r627",
      "r628",
      "r629",
      "r633",
      "r681",
      "r685",
      "r727",
      "r728"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [
      "r336",
      "r377",
      "r431",
      "r453",
      "r454",
      "r624",
      "r625",
      "r626",
      "r627",
      "r628",
      "r629",
      "r633",
      "r681",
      "r685",
      "r727",
      "r728"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Statistical Measurement"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "auth_ref": [
      "r74",
      "r75",
      "r149",
      "r150",
      "r337",
      "r378"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [
      "r234",
      "r235",
      "r421",
      "r425",
      "r683",
      "r717",
      "r718",
      "r719",
      "r720",
      "r721",
      "r722",
      "r723",
      "r724",
      "r725"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [
      "r234",
      "r235",
      "r421",
      "r425",
      "r683",
      "r710",
      "r717",
      "r718",
      "r719",
      "r720",
      "r721",
      "r722",
      "r723",
      "r724",
      "r725"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Axis]",
        "terseLabel": "Geographical"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_SubsidiariesMember": {
     "auth_ref": [
      "r441",
      "r611",
      "r612",
      "r613"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsidiaries [Member]",
        "terseLabel": "Dynavax",
        "verboseLabel": "Dynavax GmbH"
       }
      }
     },
     "localname": "SubsidiariesMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ValuationAndQualifyingAccountsDisclosureLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]",
        "terseLabel": "Valuation And Qualifying Accounts Disclosure [Line Items]"
       }
      }
     },
     "localname": "ValuationAndQualifyingAccountsDisclosureLineItems",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ValuationAndQualifyingAccountsDisclosureTable": {
     "auth_ref": [
      "r152",
      "r153",
      "r154",
      "r155",
      "r156"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]",
        "terseLabel": "Valuation And Qualifying Accounts Disclosure [Table]"
       }
      }
     },
     "localname": "ValuationAndQualifyingAccountsDisclosureTable",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "stpr_CA": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "CALIFORNIA",
        "terseLabel": "Emeryville, California (Premises)"
       }
      }
     },
     "localname": "CA",
     "nsuri": "http://xbrl.sec.gov/stpr/2021",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsAndOtherReceivablesNetCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer.",
        "label": "Accounts and Other Receivables, Net, Current",
        "terseLabel": "Accounts receivables, net"
       }
      }
     },
     "localname": "AccountsAndOtherReceivablesNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis": {
     "auth_ref": [
      "r66"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of receivable.",
        "label": "Receivable Type [Axis]"
       }
      }
     },
     "localname": "AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period.",
        "label": "Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]",
        "terseLabel": "Current Accrued Liabilities and Accrued Research and Development"
       }
      }
     },
     "localname": "AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopment"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AccountsPayableCurrent": {
     "auth_ref": [
      "r49",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 0.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accounts Payable, Current",
        "terseLabel": "Accounts payable",
        "totalLabel": "Accounts Payable, Current, Total"
       }
      }
     },
     "localname": "AccountsPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableMember": {
     "auth_ref": [
      "r712"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due from customers or clients for goods or services that have been delivered or sold.",
        "label": "Accounts Receivable [Member]",
        "terseLabel": "Trade Receivable"
       }
      }
     },
     "localname": "AccountsReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "auth_ref": [
      "r5",
      "r28",
      "r237",
      "r238"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.",
        "label": "Accounts Receivable, after Allowance for Credit Loss, Current",
        "terseLabel": "Accounts receivable",
        "totalLabel": "Accounts Receivable, after Allowance for Credit Loss, Current, Total"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments": {
     "auth_ref": [
      "r129"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Accretion (Amortization) of Discounts and Premiums, Investments",
        "negatedLabel": "Amortization of premiums (accretion of discounts) on marketable securities"
       }
      }
     },
     "localname": "AccretionAmortizationOfDiscountsAndPremiumsInvestments",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedEmployeeBenefitsCurrent": {
     "auth_ref": [
      "r12",
      "r14",
      "r52"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "dvax_AccruedResearchAndDevelopmentExpensesAndAccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accrued Employee Benefits, Current",
        "terseLabel": "Payroll and related expenses"
       }
      }
     },
     "localname": "AccruedEmployeeBenefitsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accrued Liabilities, Current",
        "terseLabel": "Accrued liabilities (see Note 7)",
        "totalLabel": "Accrued Liabilities, Current, Total"
       }
      }
     },
     "localname": "AccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedLiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued Liabilities, Current [Abstract]",
        "terseLabel": "Accrued Liabilities Abstract"
       }
      }
     },
     "localname": "AccruedLiabilitiesCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r47",
      "r279"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
        "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
        "negatedLabel": "Less accumulated depreciation and amortization",
        "periodEndLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance",
        "periodStartLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance",
        "totalLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax": {
     "auth_ref": [
      "r77",
      "r79",
      "r80",
      "r81",
      "r573"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.",
        "label": "Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax",
        "periodEndLabel": "Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance",
        "periodStartLabel": "Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance",
        "terseLabel": "Currency translation adjustments"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r31",
      "r79",
      "r80",
      "r81",
      "r668",
      "r690",
      "r691"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.",
        "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax",
        "terseLabel": "Accumulated other comprehensive gain (loss)",
        "totalLabel": "Accumulated Other Comprehensive Income (Loss), Net of Tax, Total"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r78",
      "r81",
      "r91",
      "r92",
      "r93",
      "r158",
      "r159",
      "r160",
      "r553",
      "r686",
      "r687",
      "r741"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.",
        "label": "AOCI Attributable to Parent [Member]",
        "terseLabel": "Accumulated Other Comprehensive (Loss) Income"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r29"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
        "label": "Additional Paid in Capital, Common Stock",
        "periodEndLabel": "Additional Paid in Capital, Common Stock, Ending Balance",
        "periodStartLabel": "Additional Paid in Capital, Common Stock, Beginning Balance",
        "terseLabel": "Additional paid-in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [
      "r158",
      "r159",
      "r160",
      "r493",
      "r494",
      "r495",
      "r560"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
        "label": "Additional Paid-in Capital [Member]",
        "terseLabel": "Additional Paid-in Capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalOther": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of other increase (decrease) in additional paid in capital (APIC).",
        "label": "Adjustments to Additional Paid in Capital, Other",
        "terseLabel": "Reduction to additional paid-in capital, capped calls cost"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalOther",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "auth_ref": [
      "r456",
      "r458",
      "r499",
      "r500"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.",
        "label": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition",
        "terseLabel": "Stock compensation expense",
        "totalLabel": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile net income (loss) to net cash used in operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r458",
      "r489",
      "r498"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.",
        "label": "Share-based Payment Arrangement, Expense",
        "terseLabel": "Stock-based compensation expense",
        "verboseLabel": "Stock-based compensation expense"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForNotesReceivableMember": {
     "auth_ref": [
      "r152",
      "r153",
      "r154",
      "r155",
      "r156"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Allowance for portion expected to be uncollectible of receivable from written agreement to receive, at specified future date, money consisting of principal and accrued interest.",
        "label": "SEC Schedule, 12-09, Allowance, Notes Receivable [Member]",
        "terseLabel": "Accounts Receivable Reserves"
       }
      }
     },
     "localname": "AllowanceForNotesReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AmortizationOfFinancingCosts": {
     "auth_ref": [
      "r103",
      "r128",
      "r356",
      "r593"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestExpenseDebt",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization expense attributable to debt issuance costs.",
        "label": "Amortization of Debt Issuance Costs",
        "terseLabel": "Amortization of debt issuance cost"
       }
      }
     },
     "localname": "AmortizationOfFinancingCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Outstanding securities not included in diluted net loss per share calculation",
        "verboseLabel": "Convertible Notes (as converted to common stock)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of antidilutive security.",
        "label": "Antidilutive Securities [Axis]",
        "terseLabel": "Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesNameDomain": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.",
        "label": "Antidilutive Securities, Name [Domain]",
        "terseLabel": "Antidilutive Securities Name [Domain]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ArrangementsAndNonarrangementTransactionsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.",
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Domain]",
        "terseLabel": "Collaborative Arrangement and Arrangement Other than Collaborative"
       }
      }
     },
     "localname": "ArrangementsAndNonarrangementTransactionsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r143",
      "r222",
      "r225",
      "r231",
      "r255",
      "r322",
      "r323",
      "r324",
      "r325",
      "r326",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r551",
      "r554",
      "r577",
      "r615",
      "r617",
      "r641",
      "r666"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsCurrent": {
     "auth_ref": [
      "r7",
      "r8",
      "r71",
      "r143",
      "r255",
      "r322",
      "r323",
      "r324",
      "r325",
      "r326",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r551",
      "r554",
      "r577",
      "r615",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 0.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Current",
        "totalLabel": "Total current assets"
       }
      }
     },
     "localname": "AssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets, Current [Abstract]",
        "terseLabel": "Current assets:"
       }
      }
     },
     "localname": "AssetsCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsFairValueDisclosure": {
     "auth_ref": [
      "r563"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Fair Value Disclosure",
        "terseLabel": "Total assets"
       }
      }
     },
     "localname": "AssetsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsFairValueDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets, Fair Value Disclosure [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsFairValueDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": {
     "auth_ref": [
      "r243",
      "r257"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Amortized Cost",
        "terseLabel": "Amortized Cost",
        "totalLabel": "Amortized Cost"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedGain": {
     "auth_ref": [
      "r245"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Unrealized Gain",
        "terseLabel": "Unrealized Gains"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesGrossUnrealizedGain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesGrossUnrealizedLoss": {
     "auth_ref": [
      "r246"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss",
        "negatedLabel": "Unrealized Losses",
        "terseLabel": "Unrealized Losses"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesGrossUnrealizedLoss",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost": {
     "auth_ref": [
      "r249"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five",
        "terseLabel": "Mature after one year through two years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue": {
     "auth_ref": [
      "r247",
      "r249",
      "r659"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five",
        "terseLabel": "Mature after one year through two years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Amortized Cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Estimated Fair Value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate": {
     "auth_ref": [
      "r247",
      "r250",
      "r660"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value",
        "totalLabel": "Total estimated fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis": {
     "auth_ref": [
      "r247",
      "r250",
      "r657"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost",
        "totalLabel": "Total amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost": {
     "auth_ref": [
      "r248"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One",
        "terseLabel": "Mature in one year or less"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue": {
     "auth_ref": [
      "r247",
      "r248",
      "r658"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One",
        "terseLabel": "Mature in one year or less"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesMaturitiesOfMarketableSecuritiesAvailableForSaleDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtSecurities": {
     "auth_ref": [
      "r240",
      "r244",
      "r257",
      "r645"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale",
        "terseLabel": "Estimated Fair Value",
        "totalLabel": "Debt Securities, Available-for-sale, Total"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtSecurities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent": {
     "auth_ref": [
      "r242",
      "r257"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.",
        "label": "Debt Securities, Available-for-sale, Current",
        "terseLabel": "Marketable securities available-for-sale",
        "totalLabel": "Debt Securities, Available-for-sale, Current, Total"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtSecuritiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.",
        "label": "Available-for-sale Securities, Gross Realized Gain (Loss)",
        "negatedLabel": "Realized gain on available-for-sale securities",
        "totalLabel": "Available-for-sale Securities, Gross Realized Gain (Loss), Total"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossRealizedGainLossNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesGrossRealizedGains": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.",
        "label": "Available-for-sale Securities, Gross Realized Gains",
        "terseLabel": "Realized gains on investments"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossRealizedGains",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.",
        "label": "Available-for-sale Securities, Gross Realized Losses",
        "terseLabel": "Realized loss on investments"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossRealizedLosses",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableforsaleSecuritiesMember": {
     "auth_ref": [
      "r252"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Available-for-sale Securities [Member]",
        "terseLabel": "Marketable Securities Available-for-Sale"
       }
      }
     },
     "localname": "AvailableforsaleSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r459",
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of award under share-based payment arrangement.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by location on balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Axis]",
        "terseLabel": "Balance Sheet Location"
       }
      }
     },
     "localname": "BalanceSheetLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "auth_ref": [
      "r557",
      "r559"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Location in the balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Domain]",
        "terseLabel": "Balance Sheet Location"
       }
      }
     },
     "localname": "BalanceSheetLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Basis of Accounting, Policy [Policy Text Block]",
        "terseLabel": "Basis of Presentation and Principles of Consolidation"
       }
      }
     },
     "localname": "BasisOfAccountingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CapitalExpendituresIncurredButNotYetPaid": {
     "auth_ref": [
      "r132",
      "r133",
      "r134"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Future cash outflow to pay for purchases of fixed assets that have occurred.",
        "label": "Capital Expenditures Incurred but Not yet Paid",
        "terseLabel": "Purchases of property and equipment, not yet paid"
       }
      }
     },
     "localname": "CapitalExpendituresIncurredButNotYetPaid",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r3",
      "r44",
      "r130"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 0.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "periodEndLabel": "Cash and Cash Equivalents, at Carrying Value, Ending Balance",
        "periodStartLabel": "Cash and Cash Equivalents, at Carrying Value, Beginning Balance",
        "terseLabel": "Cash and cash equivalents",
        "totalLabel": "Cash and Cash Equivalents, at Carrying Value, Total"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsDisclosureTextBlock": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for cash and cash equivalent footnotes,  which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.",
        "label": "Cash and Cash Equivalents Disclosure [Text Block]",
        "terseLabel": "Cash, Cash Equivalents, Restricted Cash and Marketable Securities"
       }
      }
     },
     "localname": "CashAndCashEquivalentsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecurities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CashAndCashEquivalentsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash and Cash Equivalents [Member]",
        "terseLabel": "Cash and Cash Equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashCashEquivalentsAndShortTermInvestments": {
     "auth_ref": [
      "r44"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.",
        "label": "Cash, Cash Equivalents, and Short-term Investments",
        "terseLabel": "Cash, cash equivalents and marketable securities",
        "totalLabel": "Cash, Cash Equivalents, and Short-term Investments, Total"
       }
      }
     },
     "localname": "CashCashEquivalentsAndShortTermInvestments",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsAndShortTermInvestmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash, Cash Equivalents, and Short-term Investments [Abstract]"
       }
      }
     },
     "localname": "CashCashEquivalentsAndShortTermInvestmentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r123",
      "r130",
      "r135"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "periodEndLabel": "Cash, cash equivalents and restricted cash at end of year",
        "periodStartLabel": "Cash, cash equivalents and restricted cash at beginning of year",
        "totalLabel": "Total cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r123",
      "r580"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect",
        "totalLabel": "Net increase (decrease) in cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]",
        "terseLabel": "Non-cash investing and financing activities:"
       }
      }
     },
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashMember": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits.",
        "label": "Cash [Member]",
        "terseLabel": "Cash"
       }
      }
     },
     "localname": "CashMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [
      "r140",
      "r143",
      "r174",
      "r178",
      "r183",
      "r187",
      "r191",
      "r200",
      "r201",
      "r202",
      "r255",
      "r322",
      "r326",
      "r327",
      "r328",
      "r331",
      "r332",
      "r375",
      "r376",
      "r380",
      "r384",
      "r577",
      "r738"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.",
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Class of Stock [Line Items]",
        "terseLabel": "Class Of Stock [Line Items]"
       }
      }
     },
     "localname": "ClassOfStockLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": {
     "auth_ref": [
      "r392"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Exercise price per share or per unit of warrants or rights outstanding.",
        "label": "Class of Warrant or Right, Exercise Price of Warrants or Rights",
        "terseLabel": "Exercise Price per Share"
       }
      }
     },
     "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.",
        "label": "Class of Warrant or Right, Number of Securities Called by Each Warrant or Right",
        "terseLabel": "Number of common stock allowed to purchase"
       }
      }
     },
     "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": {
     "auth_ref": [
      "r392"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.",
        "label": "Class of Warrant or Right, Number of Securities Called by Warrants or Rights",
        "terseLabel": "Shares Issuable",
        "verboseLabel": "Warrants Called for purchase"
       }
      }
     },
     "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ClassOfWarrantOrRightOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of warrants or rights outstanding.",
        "label": "Class of Warrant or Right, Outstanding",
        "verboseLabel": "Number of shares"
       }
      }
     },
     "localname": "ClassOfWarrantOrRightOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CollaborativeArrangementDisclosureTextBlock": {
     "auth_ref": [
      "r547",
      "r548",
      "r550"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for collaborative arrangements in which the entity is a participant, including a) information about the nature and purpose of such arrangements; b) its rights and obligations thereunder; c) the accounting policy for collaborative arrangements; and d) the income statement classification and amounts attributable to transactions arising from the collaborative arrangement between participants.",
        "label": "Collaborative Arrangement Disclosure [Text Block]",
        "terseLabel": "Collaborative Research, Development and License Agreements"
       }
      }
     },
     "localname": "CollaborativeArrangementDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]",
        "terseLabel": "Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]"
       }
      }
     },
     "localname": "CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r60",
      "r307",
      "r647",
      "r672"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
        "label": "Commitments and Contingencies",
        "terseLabel": "Commitments and contingencies (Note 9)"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r304",
      "r305",
      "r306",
      "r314",
      "r713"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for commitments and contingencies.",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonStockCapitalSharesReservedForFutureIssuance": {
     "auth_ref": [
      "r62"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate number of common shares reserved for future issuance.",
        "label": "Common Stock, Capital Shares Reserved for Future Issuance",
        "terseLabel": "Common Stock, Capital Shares Reserved for Future Issuance"
       }
      }
     },
     "localname": "CommonStockCapitalSharesReservedForFutureIssuance",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [
      "r158",
      "r159",
      "r560"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock that is subordinate to all other stock of the issuer.",
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock"
       }
      }
     },
     "localname": "CommonStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r26"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Face amount or stated value per share of common stock.",
        "label": "Common Stock, Par or Stated Value Per Share",
        "terseLabel": "Common stock, par value"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r26"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r26"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.",
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued",
        "totalLabel": "Common Stock, Shares, Issued, Total"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r26",
      "r391"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.",
        "label": "Common Stock, Shares, Outstanding",
        "periodEndLabel": "Common Stock, Shares, Outstanding, Ending Balance",
        "periodStartLabel": "Common Stock, Shares, Outstanding, Beginning Balance",
        "terseLabel": "Common stock, shares outstanding"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r26",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Common Stock, Value, Issued",
        "periodEndLabel": "Common Stock, Value, Issued, Ending Balance",
        "periodStartLabel": "Common Stock, Value, Issued, Beginning Balance",
        "terseLabel": "Common stock: $0.001 par value; 278,000 shares authorized at December 31, 2021 and 2020; 122,945 shares and 110,190 shares issued and outstanding at December 31, 2021 and 2020, respectively",
        "totalLabel": "Common Stock, Value, Issued, Total"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r86",
      "r88",
      "r89",
      "r101",
      "r651",
      "r675"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
        "totalLabel": "Total comprehensive loss"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComputerEquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems.",
        "label": "Computer Equipment [Member]",
        "terseLabel": "Computer Equipment"
       }
      }
     },
     "localname": "ComputerEquipmentMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConcentrationRiskBenchmarkDomain": {
     "auth_ref": [
      "r211",
      "r212",
      "r236",
      "r574",
      "r575",
      "r712"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The denominator in a calculation of a disclosed concentration risk percentage.",
        "label": "Concentration Risk Benchmark [Domain]",
        "terseLabel": "Concentration Risk Benchmark"
       }
      }
     },
     "localname": "ConcentrationRiskBenchmarkDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConcentrationRiskByBenchmarkAxis": {
     "auth_ref": [
      "r211",
      "r212",
      "r236",
      "r574",
      "r575",
      "r693",
      "r712"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by benchmark of concentration risk.",
        "label": "Concentration Risk Benchmark [Axis]",
        "terseLabel": "Concentration Risk Benchmark"
       }
      }
     },
     "localname": "ConcentrationRiskByBenchmarkAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskByTypeAxis": {
     "auth_ref": [
      "r211",
      "r212",
      "r236",
      "r574",
      "r575",
      "r693",
      "r712"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.",
        "label": "Concentration Risk Type [Axis]",
        "terseLabel": "Concentration Risk Type"
       }
      }
     },
     "localname": "ConcentrationRiskByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskCreditRisk": {
     "auth_ref": [
      "r205",
      "r664"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for credit risk.",
        "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]",
        "terseLabel": "Concentration of Credit Risk and Other Risks and Uncertainties"
       }
      }
     },
     "localname": "ConcentrationRiskCreditRisk",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ConcentrationRiskCustomer": {
     "auth_ref": [
      "r208",
      "r209",
      "r212"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes \"Information about Major Customers\" that may be disclosed elsewhere (for instance, segment disclosures).",
        "label": "Concentration Risk, Customer",
        "terseLabel": "Concentration risk, customer"
       }
      }
     },
     "localname": "ConcentrationRiskCustomer",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Concentration Risk [Line Items]"
       }
      }
     },
     "localname": "ConcentrationRiskLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskPercentage1": {
     "auth_ref": [
      "r211",
      "r212",
      "r236",
      "r574",
      "r575"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.",
        "label": "Concentration Risk, Percentage",
        "terseLabel": "Concentration risk, percentage",
        "verboseLabel": "Percentage of product revenue"
       }
      }
     },
     "localname": "ConcentrationRiskPercentage1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ConcentrationRiskTypeDomain": {
     "auth_ref": [
      "r211",
      "r212",
      "r236",
      "r574",
      "r575",
      "r712"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.",
        "label": "Concentration Risk Type [Domain]",
        "terseLabel": "Concentration Risk Type"
       }
      }
     },
     "localname": "ConcentrationRiskTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock": {
     "auth_ref": [
      "r404"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.",
        "label": "Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]",
        "terseLabel": "Summary of balances and activities in our contract asset account"
       }
      }
     },
     "localname": "ContractWithCustomerAssetAndLiabilityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ContractWithCustomerAssetNetCurrent": {
     "auth_ref": [
      "r402",
      "r403",
      "r422"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.",
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss, Current",
        "periodEndLabel": "Balance at End of Period",
        "periodStartLabel": "Balance at Beginning of Period",
        "terseLabel": "Contract asset balance",
        "totalLabel": "Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerAssetNetCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss, Current [Abstract]",
        "terseLabel": "Contract Asset Account [Abstract]"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNetCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ContractWithCustomerAssetPastDueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Contract with Customer, Asset, Past Due [Line Items]",
        "terseLabel": "Contract Asset Account, [Line Items]"
       }
      }
     },
     "localname": "ContractWithCustomerAssetPastDueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ContractualObligation": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.",
        "label": "Contractual Obligation",
        "terseLabel": "Contractual obligation",
        "totalLabel": "Contractual Obligation, Total"
       }
      }
     },
     "localname": "ContractualObligation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConversionOfStockSharesConverted1": {
     "auth_ref": [
      "r132",
      "r133",
      "r134"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.",
        "label": "Conversion of Stock, Shares Converted",
        "terseLabel": "Number of shares converted"
       }
      }
     },
     "localname": "ConversionOfStockSharesConverted1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ConvertibleDebtFairValueDisclosures": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.",
        "label": "Convertible Debt, Fair Value Disclosures",
        "terseLabel": "Fair value of the convertible notes"
       }
      }
     },
     "localname": "ConvertibleDebtFairValueDisclosures",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConvertibleNotesPayable": {
     "auth_ref": [
      "r23",
      "r643",
      "r667",
      "r694"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.",
        "label": "Convertible Notes Payable",
        "terseLabel": "Convertible Notes, net of debt discount of $5,010 at December 31, 2021 (see Note 10)",
        "totalLabel": "Convertible Notes Payable, Total"
       }
      }
     },
     "localname": "ConvertibleNotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConvertibleNotesPayableMember": {
     "auth_ref": [
      "r21",
      "r642",
      "r665",
      "r694"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Written promise to pay a note which can be exchanged for a specified quantity of securities (typically common stock), at the option of the issuer or the holder.",
        "label": "Convertible Notes Payable [Member]",
        "terseLabel": "Convertible Notes"
       }
      }
     },
     "localname": "ConvertibleNotesPayableMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConvertiblePreferredStockMember": {
     "auth_ref": [
      "r375",
      "r376",
      "r380"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred stock that may be exchanged into common shares or other types of securities at the owner's option.",
        "label": "Convertible Preferred Stock [Member]",
        "terseLabel": "Series B Convertible Preferred Stock",
        "verboseLabel": "Series B Convertible Preferred Stock"
       }
      }
     },
     "localname": "ConvertiblePreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CorporateDebtSecuritiesMember": {
     "auth_ref": [
      "r432",
      "r448",
      "r692"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt securities issued by domestic or foreign corporate business, banks and other entities with a promise of repayment.",
        "label": "Corporate Debt Securities [Member]",
        "terseLabel": "Corporate Debt Securities"
       }
      }
     },
     "localname": "CorporateDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization": {
     "auth_ref": [
      "r97",
      "r98"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 0.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cost of product sold and service rendered, excluding depreciation, depletion, and amortization.",
        "label": "Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization",
        "terseLabel": "Cost of sales - product",
        "totalLabel": "Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization, Total"
       }
      }
     },
     "localname": "CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostOfGoodsAndServicesSoldAmortization": {
     "auth_ref": [
      "r104"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service.",
        "label": "Cost, Amortization",
        "terseLabel": "Cost of sales - amortization of intangible assets"
       }
      }
     },
     "localname": "CostOfGoodsAndServicesSoldAmortization",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostOfSalesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption encompassing cost of sales.",
        "label": "Cost of Sales [Member]",
        "terseLabel": "Cost of Sales - Product"
       }
      }
     },
     "localname": "CostOfSalesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CostsAndExpenses": {
     "auth_ref": [
      "r105"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total costs of sales and operating expenses for the period.",
        "label": "Costs and Expenses",
        "totalLabel": "Total operating expenses"
       }
      }
     },
     "localname": "CostsAndExpenses",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock": {
     "auth_ref": [
      "r292",
      "r293",
      "r302"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for recognizing and reporting costs associated with exiting, disposing of, and restructuring certain operations.",
        "label": "Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]",
        "terseLabel": "Restructuring"
       }
      }
     },
     "localname": "CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CreditConcentrationRiskMember": {
     "auth_ref": [
      "r576"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reflects the percentage that a specified receivable or amount at risk from a counterparty under a contractual arrangement is to a specified benchmark, such as total receivables, net revenues, pretax results. Risk is the materially adverse effects of loss attributable to (a) the failure to collect a significant receivable from a major customer or group of homogeneous accounts, or (b) a failure by a counterparty to perform under terms of a contractual arrangement.",
        "label": "Credit Concentration Risk [Member]",
        "terseLabel": "Credit Concentration Risk"
       }
      }
     },
     "localname": "CreditConcentrationRiskMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CurrentFederalTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r530",
      "r538"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Current Federal Tax Expense (Benefit)",
        "terseLabel": "Federal"
       }
      }
     },
     "localname": "CurrentFederalTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CurrentForeignTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r530"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Current Foreign Tax Expense (Benefit)",
        "terseLabel": "Non-US"
       }
      }
     },
     "localname": "CurrentForeignTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CurrentIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r530",
      "r538",
      "r540"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.",
        "label": "Current Income Tax Expense (Benefit)",
        "terseLabel": "Total current tax expense",
        "totalLabel": "Current Income Tax Expense (Benefit), Total"
       }
      }
     },
     "localname": "CurrentIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]"
       }
      }
     },
     "localname": "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CurrentStateAndLocalTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r530",
      "r538"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Current State and Local Tax Expense (Benefit)",
        "terseLabel": "State"
       }
      }
     },
     "localname": "CurrentStateAndLocalTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CustomerConcentrationRiskMember": {
     "auth_ref": [
      "r209",
      "r236"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues. The risk is the materially adverse effects of loss of a significant customer.",
        "label": "Customer Concentration Risk [Member]"
       }
      }
     },
     "localname": "CustomerConcentrationRiskMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r139",
      "r339",
      "r340",
      "r341",
      "r342",
      "r343",
      "r344",
      "r345",
      "r350",
      "r357",
      "r358",
      "r360",
      "r370"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.",
        "label": "Debt Disclosure [Text Block]",
        "terseLabel": "Convertible Notes"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r21",
      "r22",
      "r23",
      "r142",
      "r151",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r340",
      "r346",
      "r347",
      "r348",
      "r349",
      "r351",
      "r352",
      "r353",
      "r354",
      "r355",
      "r356",
      "r364",
      "r365",
      "r366",
      "r367",
      "r594",
      "r642",
      "r643",
      "r665"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentConvertibleConversionPrice1": {
     "auth_ref": [
      "r335",
      "r361"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The price per share of the conversion feature embedded in the debt instrument.",
        "label": "Debt Instrument, Convertible, Conversion Price",
        "terseLabel": "Debt instrument, conversion price per share"
       }
      }
     },
     "localname": "DebtInstrumentConvertibleConversionPrice1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_DebtInstrumentConvertibleConversionRatio1": {
     "auth_ref": [
      "r56",
      "r335",
      "r392",
      "r395",
      "r397"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.",
        "label": "Debt Instrument, Convertible, Conversion Ratio",
        "terseLabel": "Initial conversion rate"
       }
      }
     },
     "localname": "DebtInstrumentConvertibleConversionRatio1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.",
        "label": "Debt Instrument, Convertible, Threshold Consecutive Trading Days",
        "terseLabel": "Debt instrument, convertible, threshold consecutive trading days"
       }
      }
     },
     "localname": "DebtInstrumentConvertibleThresholdConsecutiveTradingDays1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.",
        "label": "Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger",
        "terseLabel": "Debt instrument, convertible, threshold percentage of stock price trigger"
       }
      }
     },
     "localname": "DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentConvertibleThresholdTradingDays": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.",
        "label": "Debt Instrument, Convertible, Threshold Trading Days",
        "terseLabel": "Debt instrument, convertible, threshold trading days"
       }
      }
     },
     "localname": "DebtInstrumentConvertibleThresholdTradingDays",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "auth_ref": [
      "r333",
      "r364",
      "r365",
      "r592",
      "r594",
      "r595"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Face (par) amount of debt instrument at time of issuance.",
        "label": "Debt Instrument, Face Amount",
        "terseLabel": "Principal amount",
        "verboseLabel": "Aggregate principal amount"
       }
      }
     },
     "localname": "DebtInstrumentFaceAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentFeeAmount": {
     "auth_ref": [
      "r57"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the fee that accompanies borrowing money under the debt instrument.",
        "label": "Debt Instrument, Fee Amount",
        "terseLabel": "Backend facility fee"
       }
      }
     },
     "localname": "DebtInstrumentFeeAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentInterestRateDuringPeriod": {
     "auth_ref": [
      "r54",
      "r353",
      "r592"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The average effective interest rate during the reporting period.",
        "label": "Debt Instrument, Interest Rate During Period",
        "terseLabel": "Incremental borrowing rate"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateDuringPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateEffectivePercentage": {
     "auth_ref": [
      "r54",
      "r362",
      "r592",
      "r594"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.",
        "label": "Debt Instrument, Interest Rate, Effective Percentage",
        "terseLabel": "Debt instrument interest rate, effective percentage"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateEffectivePercentage",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "auth_ref": [
      "r54",
      "r334"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.",
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "terseLabel": "Debt interest rate"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateTerms": {
     "auth_ref": [
      "r54"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.",
        "label": "Debt Instrument, Interest Rate Terms",
        "terseLabel": "Debt instrument, interest rate terms"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateTerms",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "localname": "DebtInstrumentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentMaturityDate": {
     "auth_ref": [
      "r55",
      "r336",
      "r568"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.",
        "label": "Debt Instrument, Maturity Date",
        "terseLabel": "Debt maturity date"
       }
      }
     },
     "localname": "DebtInstrumentMaturityDate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r58",
      "r142",
      "r151",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r340",
      "r346",
      "r347",
      "r348",
      "r349",
      "r351",
      "r352",
      "r353",
      "r354",
      "r355",
      "r356",
      "r364",
      "r365",
      "r366",
      "r367",
      "r594"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentRedemptionDescription": {
     "auth_ref": [
      "r662"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of debt redemption features under terms of the debt agreement.",
        "label": "Debt Instrument, Redemption, Description",
        "terseLabel": "Debt Instrument, redemption, description"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionDescription",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentRedemptionPeriodStartDate": {
     "auth_ref": [
      "r662"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Start date of debt instrument redemption period, in YYYY-MM-DD format.",
        "label": "Debt Instrument, Redemption Period, Start Date",
        "terseLabel": "Debt instrument, redemption earliest date"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionPeriodStartDate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of principal amount of debt redeemed.",
        "label": "Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed",
        "terseLabel": "Percentage of principal redeemed"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r58",
      "r142",
      "r151",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r340",
      "r346",
      "r347",
      "r348",
      "r349",
      "r351",
      "r352",
      "r353",
      "r354",
      "r355",
      "r356",
      "r359",
      "r364",
      "r365",
      "r366",
      "r367",
      "r392",
      "r396",
      "r397",
      "r398",
      "r591",
      "r592",
      "r594",
      "r595",
      "r663"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table]",
        "terseLabel": "Debt Instrument [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentUnamortizedDiscount": {
     "auth_ref": [
      "r346",
      "r591",
      "r595"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt discount.",
        "label": "Debt Instrument, Unamortized Discount",
        "terseLabel": "Long-term debt, net of debt discount",
        "totalLabel": "Debt Instrument, Unamortized Discount, Total"
       }
      }
     },
     "localname": "DebtInstrumentUnamortizedDiscount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtPolicyTextBlock": {
     "auth_ref": [
      "r320"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy related to debt. Includes, but is not limited to, debt issuance costs, the effects of refinancings, method of amortizing debt issuance costs and original issue discount, and classifications of debt.",
        "label": "Debt, Policy [Policy Text Block]",
        "terseLabel": "Convertible Notes"
       }
      }
     },
     "localname": "DebtPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]",
        "terseLabel": "Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]"
       }
      }
     },
     "localname": "DeferredCompensationArrangementWithIndividualShareBasedPaymentsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r531",
      "r538"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred Federal Income Tax Expense (Benefit)",
        "terseLabel": "Federal"
       }
      }
     },
     "localname": "DeferredFederalIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNet": {
     "auth_ref": [
      "r48",
      "r346",
      "r593"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Net",
        "terseLabel": "Debt issuance and offering costs",
        "totalLabel": "Debt Issuance Costs, Net, Total"
       }
      }
     },
     "localname": "DeferredFinanceCostsNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredForeignIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r531",
      "r538"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred Foreign Income Tax Expense (Benefit)",
        "terseLabel": "Non-US"
       }
      }
     },
     "localname": "DeferredForeignIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r128",
      "r144",
      "r531",
      "r538",
      "r539",
      "r540"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred Income Tax Expense (Benefit)",
        "totalLabel": "Deferred Income Tax Expense (Benefit), Total"
       }
      }
     },
     "localname": "DeferredIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]"
       }
      }
     },
     "localname": "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredRevenue": {
     "auth_ref": [
      "r35"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 5.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.",
        "label": "Deferred Revenue",
        "periodEndLabel": "Balance at End of Period",
        "periodStartLabel": "Balance at Beginning of Period",
        "terseLabel": "Deferred revenue",
        "totalLabel": "Deferred Revenue, Total"
       }
      }
     },
     "localname": "DeferredRevenue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredRevenueAdditions": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.",
        "label": "Deferred Revenue, Additions",
        "terseLabel": "Additions"
       }
      }
     },
     "localname": "DeferredRevenueAdditions",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredRevenueArrangementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Deferred Revenue Arrangement [Line Items]"
       }
      }
     },
     "localname": "DeferredRevenueArrangementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredRevenueByArrangementDisclosureTextBlock": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.",
        "label": "Deferred Revenue, by Arrangement, Disclosure [Table Text Block]",
        "terseLabel": "Summary of Deferred Revenue"
       }
      }
     },
     "localname": "DeferredRevenueByArrangementDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DeferredRevenueCurrent": {
     "auth_ref": [
      "r35"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.",
        "label": "Deferred Revenue, Current",
        "terseLabel": "Deferred revenue",
        "totalLabel": "Deferred Revenue, Current, Total"
       }
      }
     },
     "localname": "DeferredRevenueCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredRevenueRevenueRecognized1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of revenue recognized that was previously reported as deferred or unearned revenue.",
        "label": "Deferred Revenue, Revenue Recognized",
        "terseLabel": "Revenue recognized in the current period included in deferred revenue balance at the beginning of the period"
       }
      }
     },
     "localname": "DeferredRevenueRevenueRecognized1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesDeferredRevenueAccountsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r144",
      "r531",
      "r538"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred State and Local Income Tax Expense (Benefit)",
        "terseLabel": "State"
       }
      }
     },
     "localname": "DeferredStateAndLocalIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsGross": {
     "auth_ref": [
      "r521"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_DeferredTaxAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
        "label": "Deferred Tax Assets, Gross",
        "totalLabel": "Total deferred tax assets"
       }
      }
     },
     "localname": "DeferredTaxAssetsGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsGrossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Assets, Gross [Abstract]",
        "terseLabel": "Deferred tax assets:"
       }
      }
     },
     "localname": "DeferredTaxAssetsGrossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredTaxAssetsLiabilitiesNet": {
     "auth_ref": [
      "r523"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.",
        "label": "Deferred Tax Assets, Net",
        "totalLabel": "Net deferred tax assets"
       }
      }
     },
     "localname": "DeferredTaxAssetsLiabilitiesNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsNet": {
     "auth_ref": [
      "r523"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.",
        "label": "Deferred Tax Assets, Net of Valuation Allowance",
        "totalLabel": "Net deferred tax assets"
       }
      }
     },
     "localname": "DeferredTaxAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": {
     "auth_ref": [
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.",
        "label": "Deferred Tax Assets, Operating Loss Carryforwards",
        "terseLabel": "Net operating loss carryforwards",
        "totalLabel": "Deferred Tax Assets, Operating Loss Carryforwards, Total"
       }
      }
     },
     "localname": "DeferredTaxAssetsOperatingLossCarryforwards",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsOther": {
     "auth_ref": [
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.",
        "label": "Deferred Tax Assets, Other",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "DeferredTaxAssetsOther",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsTaxCreditCarryforwards": {
     "auth_ref": [
      "r526",
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.",
        "label": "Deferred Tax Assets, Tax Credit Carryforwards",
        "terseLabel": "Research credit carryforwards",
        "totalLabel": "Deferred Tax Assets, Tax Credit Carryforwards, Total"
       }
      }
     },
     "localname": "DeferredTaxAssetsTaxCreditCarryforwards",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch": {
     "auth_ref": [
      "r526",
      "r528",
      "r529"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.",
        "label": "Deferred Tax Assets, Tax Credit Carryforwards, Research",
        "terseLabel": "Capitalized research costs"
       }
      }
     },
     "localname": "DeferredTaxAssetsTaxCreditCarryforwardsResearch",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation": {
     "auth_ref": [
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.",
        "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation",
        "terseLabel": "Stock Compensation"
       }
      }
     },
     "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals": {
     "auth_ref": [
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.",
        "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals",
        "terseLabel": "Accruals and reserves",
        "totalLabel": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Total"
       }
      }
     },
     "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsValuationAllowance": {
     "auth_ref": [
      "r522"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DeferredTaxAssetsNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.",
        "label": "Deferred Tax Assets, Valuation Allowance",
        "negatedLabel": "Less valuation allowance",
        "totalLabel": "Deferred Tax Assets, Valuation Allowance, Total"
       }
      }
     },
     "localname": "DeferredTaxAssetsValuationAllowance",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxLiabilities": {
     "auth_ref": [
      "r506",
      "r523"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.",
        "label": "Deferred Tax Liabilities, Net",
        "negatedTotalLabel": "Total deferred tax liabilities",
        "totalLabel": "Deferred Tax Liabilities, Net, Total"
       }
      }
     },
     "localname": "DeferredTaxLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred Tax Liabilities, Gross [Abstract]",
        "terseLabel": "Deferred tax liabilities:"
       }
      }
     },
     "localname": "DeferredTaxLiabilitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredTaxLiabilitiesOther": {
     "auth_ref": [
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences classified as other.",
        "label": "Deferred Tax Liabilities, Other",
        "negatedLabel": "Other",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "DeferredTaxLiabilitiesOther",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment": {
     "auth_ref": [
      "r528",
      "r529"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.",
        "label": "Deferred Tax Liabilities, Property, Plant and Equipment",
        "negatedLabel": "Fixed assets"
       }
      }
     },
     "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfDeferredTaxAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedBenefitPlanContributionsByEmployer": {
     "auth_ref": [
      "r430",
      "r432",
      "r434",
      "r447",
      "r448",
      "r449"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of contribution received by defined benefit plan from employer which increases plan assets.",
        "label": "Defined Benefit Plan, Plan Assets, Contributions by Employer",
        "terseLabel": "Contributions to 401 (k) plan"
       }
      }
     },
     "localname": "DefinedBenefitPlanContributionsByEmployer",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEmployeeBenefitPlanAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationAndAmortization": {
     "auth_ref": [
      "r128",
      "r277"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.",
        "label": "Depreciation, Depletion and Amortization, Nonproduction",
        "terseLabel": "Depreciation and amortization",
        "totalLabel": "Depreciation, Depletion and Amortization, Nonproduction, Total"
       }
      }
     },
     "localname": "DepreciationAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeLiability": {
     "auth_ref": [
      "r72",
      "r75",
      "r76",
      "r558",
      "r630"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.",
        "label": "Derivative Liability, Fair Value, Gross Liability",
        "terseLabel": "Fair value of derivative liability",
        "totalLabel": "Derivative Liability, Fair Value, Gross Liability, Total"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeLiability",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Disaggregation of Revenue [Line Items]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTableTextBlock": {
     "auth_ref": [
      "r421"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
        "label": "Disaggregation of Revenue [Table Text Block]",
        "terseLabel": "Summary of Disaggregation of Revenues"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": {
     "auth_ref": [
      "r501"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for share-based payment arrangement.",
        "label": "Share-based Payment Arrangement [Text Block]",
        "terseLabel": "Equity Plans and Stock-Based Compensation"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-based Payment Arrangement [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DomesticCountryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.",
        "label": "Domestic Tax Authority [Member]",
        "terseLabel": "Federal"
       }
      }
     },
     "localname": "DomesticCountryMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share [Abstract]"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r102",
      "r163",
      "r164",
      "r165",
      "r166",
      "r167",
      "r171",
      "r174",
      "r187",
      "r190",
      "r191",
      "r195",
      "r196",
      "r561",
      "r562",
      "r652",
      "r676"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic",
        "terseLabel": "Basic net loss per share allocable to common stockholders",
        "totalLabel": "Earnings Per Share, Basic, Total"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r102",
      "r163",
      "r164",
      "r165",
      "r166",
      "r167",
      "r174",
      "r187",
      "r190",
      "r191",
      "r195",
      "r196",
      "r561",
      "r562",
      "r652",
      "r676"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Diluted",
        "terseLabel": "Diluted net loss per share allocable to common stockholders",
        "totalLabel": "Earnings Per Share, Diluted, Total"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r192",
      "r193",
      "r194",
      "r197"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Net Loss Per Share"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureNetLossPerShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r580"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "terseLabel": "Effect of exchange rate changes on cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount": {
     "auth_ref": [
      "r490"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cost capitalized for award under share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Amount Capitalized",
        "verboseLabel": "Stock-based compensation expense"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": {
     "auth_ref": [
      "r491"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount",
        "terseLabel": "Total unrecognized compensation cost related to non-vested equity awards",
        "totalLabel": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": {
     "auth_ref": [
      "r491"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition",
        "terseLabel": "Total unrecognized compensation cost, weighted-average vesting period"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_EmployeeStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "An Employee Stock Purchase Plan is a tax-efficient means by which employees of a corporation can purchase the corporation's stock.",
        "label": "Employee Stock [Member]",
        "terseLabel": "Employee Stock Purchase Plan"
       }
      }
     },
     "localname": "EmployeeStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EmployeeStockOptionMember": {
     "auth_ref": [
      "r487"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.",
        "label": "Share-based Payment Arrangement, Option [Member]",
        "terseLabel": "Employee Stock Option",
        "verboseLabel": "Stock Options"
       }
      }
     },
     "localname": "EmployeeStockOptionMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [Abstract]"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r0",
      "r91",
      "r92",
      "r93",
      "r158",
      "r159",
      "r160",
      "r162",
      "r168",
      "r170",
      "r199",
      "r256",
      "r391",
      "r399",
      "r493",
      "r494",
      "r495",
      "r534",
      "r535",
      "r560",
      "r581",
      "r582",
      "r583",
      "r584",
      "r585",
      "r587",
      "r686",
      "r687",
      "r688",
      "r741"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueAdjustmentOfWarrants": {
     "auth_ref": [
      "r128",
      "r371"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": -1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense (income) related to adjustment to fair value of warrant liability.",
        "label": "Fair Value Adjustment of Warrants",
        "negatedLabel": "Change in fair value of warrant liability (Note 14)",
        "terseLabel": "Less: removal of change in fair value of warrant liability",
        "verboseLabel": "Change in fair value of warrant liability"
       }
      }
     },
     "localname": "FairValueAdjustmentOfWarrants",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
        "terseLabel": "Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r563",
      "r564",
      "r565",
      "r571"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.",
        "label": "Fair Value, Recurring and Nonrecurring [Table]",
        "terseLabel": "Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": {
     "auth_ref": [
      "r566"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.",
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]",
        "terseLabel": "Summary of Assumptions to Estimate the Fair Value of Warrant Liability"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": {
     "auth_ref": [
      "r569"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class of asset.",
        "label": "Asset Class [Domain]",
        "terseLabel": "Asset Class"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueByAssetClassAxis": {
     "auth_ref": [
      "r563",
      "r571"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by class of asset.",
        "label": "Asset Class [Axis]",
        "terseLabel": "Asset Class"
       }
      }
     },
     "localname": "FairValueByAssetClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r348",
      "r364",
      "r365",
      "r432",
      "r434",
      "r435",
      "r436",
      "r437",
      "r438",
      "r439",
      "r448",
      "r564",
      "r621",
      "r622",
      "r623"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
        "label": "Fair Value Hierarchy and NAV [Axis]",
        "terseLabel": "Fair Value Hierarchy and NAV"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "auth_ref": [
      "r563",
      "r564",
      "r567",
      "r568",
      "r572"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by measurement frequency.",
        "label": "Measurement Frequency [Axis]",
        "terseLabel": "Measurement Frequency"
       }
      }
     },
     "localname": "FairValueByMeasurementFrequencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r570"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
        "label": "Fair Value Disclosures [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueEquityLevel1ToLevel2TransfersAmount": {
     "auth_ref": [
      "r565"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfers of financial instruments classified in shareholders' equity measured on a recurring basis out of level 1 of the fair value hierarchy into level 2.",
        "label": "Fair Value, Equity, Level 1 to Level 2 Transfers, Amount",
        "terseLabel": "Transfers from level 1 to level 2"
       }
      }
     },
     "localname": "FairValueEquityLevel1ToLevel2TransfersAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueEquityLevel2ToLevel1TransfersAmount": {
     "auth_ref": [
      "r565"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfers of financial instruments classified in shareholders' equity measured on a recurring basis out of level 2 of the fair value hierarchy into level 1.",
        "label": "Fair Value, Equity, Level 2 to Level 1 Transfers, Amount",
        "terseLabel": "Transfers from level 2 to level 1"
       }
      }
     },
     "localname": "FairValueEquityLevel2ToLevel1TransfersAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "auth_ref": [
      "r348",
      "r432",
      "r434",
      "r439",
      "r448",
      "r564",
      "r621"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.",
        "label": "Fair Value, Inputs, Level 1 [Member]",
        "terseLabel": "Fair Value, Inputs, Level 1"
       }
      }
     },
     "localname": "FairValueInputsLevel1Member",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r348",
      "r364",
      "r365",
      "r432",
      "r434",
      "r439",
      "r448",
      "r564",
      "r622"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
        "label": "Fair Value, Inputs, Level 2 [Member]",
        "terseLabel": "Fair Value, Inputs, Level 2"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "auth_ref": [
      "r348",
      "r364",
      "r365",
      "r432",
      "r434",
      "r435",
      "r436",
      "r437",
      "r438",
      "r439",
      "r448",
      "r564",
      "r623"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Inputs, Level 3 [Member]",
        "terseLabel": "Fair Value, Inputs, Level 3"
       }
      }
     },
     "localname": "FairValueInputsLevel3Member",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": {
     "auth_ref": [
      "r569",
      "r571"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.",
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]",
        "terseLabel": "Summary of Changes in Fair Value Warrant liability"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Measurement frequency.",
        "label": "Measurement Frequency [Domain]",
        "terseLabel": "Measurement Frequency"
       }
      }
     },
     "localname": "FairValueMeasurementFrequencyDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease": {
     "auth_ref": [
      "r569"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)",
        "terseLabel": "Increase (Decrease) in estimated fair value of warrant liability upon revaluation",
        "totalLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total",
        "verboseLabel": "Increase in the estimated fair value of warrant liability upon revaluation"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net",
        "terseLabel": "Transfers in or out of Level 3",
        "totalLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net, Total"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": {
     "auth_ref": [
      "r569"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value",
        "periodEndLabel": "Ending Balance",
        "periodStartLabel": "Beginning Balance",
        "terseLabel": "Balance"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [
      "r348",
      "r364",
      "r365",
      "r432",
      "r434",
      "r435",
      "r436",
      "r437",
      "r438",
      "r439",
      "r448",
      "r621",
      "r622",
      "r623"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
        "label": "Fair Value Hierarchy and NAV [Domain]",
        "terseLabel": "Fair Value Hierarchy and NAV"
       }
      }
     },
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsRecurringMember": {
     "auth_ref": [
      "r570",
      "r572"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.",
        "label": "Fair Value, Recurring [Member]",
        "terseLabel": "Fair Value, Measurements, Recurring"
       }
      }
     },
     "localname": "FairValueMeasurementsRecurringMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": {
     "auth_ref": [
      "r274"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetSummaryOfIntangibleAssetsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Accumulated Amortization",
        "negatedLabel": "Less accumulated amortization"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetSummaryOfIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsGross": {
     "auth_ref": [
      "r274",
      "r638"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetSummaryOfIntangibleAssetsDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Gross",
        "terseLabel": "Intangible assets",
        "totalLabel": "Finite-Lived Intangible Assets, Gross, Total"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetSummaryOfIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Finite-Lived Intangible Assets [Line Items]",
        "terseLabel": "Finite Lived Intangible Assets [Line Items]"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsNet": {
     "auth_ref": [
      "r274",
      "r637"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetSummaryOfIntangibleAssetsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Net",
        "periodEndLabel": "Finite-Lived Intangible Assets, Net, Ending Balance",
        "periodStartLabel": "Finite-Lived Intangible Assets, Net, Beginning Balance",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetSummaryOfIntangibleAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finite-Lived Intangible Assets, Net [Abstract]"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ForeignCountryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Designated tax departments of governments entitled to levy and collect income taxes from the entity outside the entity's country of domicile.",
        "label": "Foreign Tax Authority [Member]",
        "terseLabel": "Foreign"
       }
      }
     },
     "localname": "ForeignCountryMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ForeignCurrencyTransactionGainLossRealized": {
     "auth_ref": [
      "r578",
      "r579"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.",
        "label": "Foreign Currency Transaction Gain (Loss), Realized",
        "terseLabel": "Currency transaction gain (loss)"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossRealized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyTransactionGainLossUnrealized": {
     "auth_ref": [
      "r129",
      "r578",
      "r579"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.",
        "label": "Foreign Currency Transaction Gain (Loss), Unrealized",
        "terseLabel": "Foreign Currency Transaction Gain (Loss), Unrealized"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossUnrealized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock": {
     "auth_ref": [
      "r589"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy.",
        "label": "Foreign Currency Transactions and Translations Policy [Policy Text Block]",
        "terseLabel": "Foreign Currency Translation"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FurnitureAndFixturesGross": {
     "auth_ref": [
      "r278"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
        "label": "Furniture and Fixtures, Gross",
        "terseLabel": "Furniture and fixtures"
       }
      }
     },
     "localname": "FurnitureAndFixturesGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FurnitureAndFixturesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
        "label": "Furniture and Fixtures [Member]",
        "terseLabel": "Furniture and Fixtures"
       }
      }
     },
     "localname": "FurnitureAndFixturesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges": {
     "auth_ref": [
      "r128"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.",
        "label": "Gain (Loss) on Sale of Assets and Asset Impairment Charges",
        "terseLabel": "Gain on sale of assets"
       }
      }
     },
     "localname": "GainLossOnSalesOfAssetsAndAssetImpairmentCharges",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainsLossesOnExtinguishmentOfDebt": {
     "auth_ref": [
      "r128",
      "r368",
      "r369"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.",
        "label": "Gain (Loss) on Extinguishment of Debt",
        "terseLabel": "Loss on debt extinguishment",
        "totalLabel": "Gain (Loss) on Extinguishment of Debt, Total"
       }
      }
     },
     "localname": "GainsLossesOnExtinguishmentOfDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainsLossesOnSalesOfAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) on sale or disposal of assets utilized in financial service operations.",
        "label": "Gain (Loss) on Disposition of Assets for Financial Service Operations",
        "negatedLabel": "Gain on sale of assets",
        "totalLabel": "Gain (Loss) on Disposition of Assets for Financial Service Operations, Total",
        "verboseLabel": "Gain on sale of assets"
       }
      }
     },
     "localname": "GainsLossesOnSalesOfAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r264",
      "r266",
      "r617",
      "r640"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill",
        "periodEndLabel": "Goodwill, Ending Balance",
        "periodStartLabel": "Goodwill, Beginning Balance",
        "terseLabel": "Goodwill",
        "totalLabel": "Goodwill, Total"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodwill and Intangible Assets Disclosure [Abstract]"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy": {
     "auth_ref": [
      "r268"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for goodwill. This accounting policy also may address how an entity assesses and measures impairment of goodwill, how reporting units are determined, how goodwill is allocated to such units, and how the fair values of the reporting units are determined.",
        "label": "Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsGoodwillPolicy",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_GoodwillImpairmentLoss": {
     "auth_ref": [
      "r128",
      "r265",
      "r267",
      "r269"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill, Impairment Loss",
        "terseLabel": "Goodwill impairment"
       }
      }
     },
     "localname": "GoodwillImpairmentLoss",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GrantsReceivable": {
     "auth_ref": [
      "r70"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.",
        "label": "Grants Receivable",
        "terseLabel": "Grants receivable"
       }
      }
     },
     "localname": "GrantsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GuaranteeObligationsByNatureAxis": {
     "auth_ref": [
      "r319"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by nature of guarantee.",
        "label": "Guarantor Obligations, Nature [Axis]",
        "terseLabel": "Guarantor Obligations, Nature"
       }
      }
     },
     "localname": "GuaranteeObligationsByNatureAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_GuaranteeObligationsCurrentCarryingValue": {
     "auth_ref": [
      "r318"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.",
        "label": "Guarantor Obligations, Current Carrying Value",
        "terseLabel": "Guarantee to support license"
       }
      }
     },
     "localname": "GuaranteeObligationsCurrentCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GuaranteeObligationsNatureDomain": {
     "auth_ref": [
      "r317"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents a description of the nature of the guarantee or each group of similar guarantees.",
        "label": "Guarantor Obligations, Nature [Domain]",
        "terseLabel": "Guarantor Obligations, Nature"
       }
      }
     },
     "localname": "GuaranteeObligationsNatureDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IPOMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "First sale of stock by a private company to the public.",
        "label": "IPO [Member]",
        "terseLabel": "Offering"
       }
      }
     },
     "localname": "IPOMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill": {
     "auth_ref": [
      "r128",
      "r275"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.",
        "label": "Impairment of Intangible Assets (Excluding Goodwill)",
        "terseLabel": "Impairment of Intangible assets",
        "totalLabel": "Impairment of Intangible Assets (Excluding Goodwill), Total"
       }
      }
     },
     "localname": "ImpairmentOfIntangibleAssetsExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ImpairmentOfIntangibleAssetsFinitelived": {
     "auth_ref": [
      "r128",
      "r275"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.",
        "label": "Impairment of Intangible Assets, Finite-lived",
        "terseLabel": "Impairment of intangible assets"
       }
      }
     },
     "localname": "ImpairmentOfIntangibleAssetsFinitelived",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic": {
     "auth_ref": [
      "r145",
      "r541"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail": {
       "order": 0.0,
       "parentTag": "dvax_IncomeLossFromContinuingOperationsBeforeIncomeTaxes",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.",
        "label": "Income (Loss) from Continuing Operations before Income Taxes, Domestic",
        "terseLabel": "U.S."
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": {
     "auth_ref": [
      "r96",
      "r222",
      "r224",
      "r227",
      "r230",
      "r232",
      "r639",
      "r648",
      "r655",
      "r678"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.",
        "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest",
        "terseLabel": "Income (loss) before income taxes",
        "totalLabel": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign": {
     "auth_ref": [
      "r145",
      "r541"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail": {
       "order": 1.0,
       "parentTag": "dvax_IncomeLossFromContinuingOperationsBeforeIncomeTaxes",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.",
        "label": "Income (Loss) from Continuing Operations before Income Taxes, Foreign",
        "terseLabel": "Non U.S."
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComponentOfConsolidatedLossIncomeBeforeProvisionForIncomeTaxesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "auth_ref": [
      "r281",
      "r287"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by location in the income statement.",
        "label": "Income Statement Location [Axis]",
        "terseLabel": "Income Statement Location"
       }
      }
     },
     "localname": "IncomeStatementLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "auth_ref": [
      "r287"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Location in the income statement.",
        "label": "Income Statement Location [Domain]",
        "terseLabel": "Income Statement Location"
       }
      }
     },
     "localname": "IncomeStatementLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxAuthorityAxis": {
     "auth_ref": [
      "r511"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by tax jurisdiction.",
        "label": "Income Tax Authority [Axis]",
        "terseLabel": "Income Tax Authority"
       }
      }
     },
     "localname": "IncomeTaxAuthorityAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxAuthorityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.",
        "label": "Income Tax Authority [Domain]",
        "terseLabel": "Income Tax Authority"
       }
      }
     },
     "localname": "IncomeTaxAuthorityDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "auth_ref": [
      "r146",
      "r509",
      "r519",
      "r525",
      "r536",
      "r542",
      "r544",
      "r545",
      "r546"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.",
        "label": "Income Tax Disclosure [Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r147",
      "r169",
      "r170",
      "r221",
      "r507",
      "r537",
      "r543",
      "r679"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 0.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "negatedLabel": "Provision for income taxes",
        "terseLabel": "Provision for income taxes",
        "totalLabel": "Total income tax expense"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxPolicyTextBlock": {
     "auth_ref": [
      "r90",
      "r504",
      "r505",
      "r519",
      "r520",
      "r524",
      "r532"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.",
        "label": "Income Tax, Policy [Policy Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": {
     "auth_ref": [
      "r508"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.",
        "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount",
        "terseLabel": "Change in valuation allowance"
       }
      }
     },
     "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": {
     "auth_ref": [
      "r508"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.",
        "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount",
        "terseLabel": "Income tax benefit at federal statutory rate"
       }
      }
     },
     "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxReconciliationOtherAdjustments": {
     "auth_ref": [
      "r508"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 9.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.",
        "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "IncomeTaxReconciliationOtherAdjustments",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": {
     "auth_ref": [
      "r508"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).",
        "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount",
        "terseLabel": "State tax"
       }
      }
     },
     "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxReconciliationTaxContingencies": {
     "auth_ref": [
      "r508"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.",
        "label": "Effective Income Tax Rate Reconciliation, Tax Contingency, Amount",
        "terseLabel": "Uncertain tax positions",
        "totalLabel": "Effective Income Tax Rate Reconciliation, Tax Contingency, Amount, Total"
       }
      }
     },
     "localname": "IncomeTaxReconciliationTaxContingencies",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureDifferenceBetweenConsolidatedIncomeTaxBenefitAndAmountComputedByFederalStatutoryIncomeTaxRateDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxesPaid": {
     "auth_ref": [
      "r125",
      "r131"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.",
        "label": "Income Taxes Paid",
        "terseLabel": "Cash paid during the year for income taxes"
       }
      }
     },
     "localname": "IncomeTaxesPaid",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.",
        "label": "Increase (Decrease) in Accounts and Other Receivables",
        "negatedLabel": "Accounts and other receivables, net"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsAndOtherReceivables",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayable": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 19.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.",
        "label": "Increase (Decrease) in Accounts Payable",
        "terseLabel": "Accounts payable",
        "totalLabel": "Increase (Decrease) in Accounts Payable, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 23.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in accrued expenses, and obligations classified as other.",
        "label": "Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities",
        "terseLabel": "Accrued and other liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInContractWithCustomerAsset": {
     "auth_ref": [
      "r127"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.",
        "label": "Increase (Decrease) in Contract with Customer, Asset",
        "negatedTerseLabel": "Subtractions",
        "terseLabel": "Additions/(Subtractions)"
       }
      }
     },
     "localname": "IncreaseDecreaseInContractWithCustomerAsset",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfBalancesAndActivitiesInOurContractAssetAccountDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInDeferredRevenue": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 22.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.",
        "label": "Increase (Decrease) in Deferred Revenue",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "IncreaseDecreaseInDeferredRevenue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInventories": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 15.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.",
        "label": "Increase (Decrease) in Inventories",
        "negatedLabel": "Inventories, net",
        "totalLabel": "Increase (Decrease) in Inventories, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInInventories",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Changes in operating assets and liabilities:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherOperatingAssets": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 18.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in operating assets classified as other.",
        "label": "Increase (Decrease) in Other Operating Assets",
        "negatedLabel": "Other assets",
        "totalLabel": "Increase (Decrease) in Other Operating Assets, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 17.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.",
        "label": "Increase (Decrease) in Prepaid Expense and Other Assets",
        "negatedLabel": "Prepaid expenses and other current assets",
        "totalLabel": "Increase (Decrease) in Prepaid Expense and Other Assets, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants": {
     "auth_ref": [
      "r175",
      "r176",
      "r177",
      "r191"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.",
        "label": "Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants",
        "terseLabel": "Effect of dilutive warrants"
       }
      }
     },
     "localname": "IncrementalCommonSharesAttributableToCallOptionsAndWarrants",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_InformationByCategoryOfDebtSecurityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by category of debt security, either available-for-sale or held-to-maturity.",
        "label": "Debt Security Category [Axis]",
        "terseLabel": "Debt Security Category"
       }
      }
     },
     "localname": "InformationByCategoryOfDebtSecurityAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IntangibleAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r276"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for all or part of the information related to intangible assets.",
        "label": "Intangible Assets Disclosure [Text Block]",
        "terseLabel": "Intangible Assets, Net"
       }
      }
     },
     "localname": "IntangibleAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNet"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IntangibleAssetsNetExcludingGoodwill": {
     "auth_ref": [
      "r270",
      "r272"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
        "label": "Intangible Assets, Net (Excluding Goodwill)",
        "terseLabel": "Intangible assets, net",
        "totalLabel": "Intangible Assets, Net (Excluding Goodwill), Total"
       }
      }
     },
     "localname": "IntangibleAssetsNetExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r95",
      "r220",
      "r590",
      "r593",
      "r654"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.",
        "label": "Interest Expense",
        "negatedLabel": "Interest expense",
        "totalLabel": "Interest Expense, Total"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseDebt": {
     "auth_ref": [
      "r108",
      "r354",
      "r363",
      "r366",
      "r367"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense for debt.",
        "label": "Interest Expense, Debt",
        "terseLabel": "Interest expense related to initial term loan",
        "totalLabel": "Total interest expense"
       }
      }
     },
     "localname": "InterestExpenseDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseDebtExcludingAmortization": {
     "auth_ref": [
      "r110",
      "r355",
      "r366",
      "r367"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_InterestExpenseDebt",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.",
        "label": "Interest Expense, Debt, Excluding Amortization",
        "terseLabel": "Stated coupon interest"
       }
      }
     },
     "localname": "InterestExpenseDebtExcludingAmortization",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesSummaryOfInterestExpensesRelatedToConvertibleNotesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseMediumTermNotes": {
     "auth_ref": [
      "r653"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest expense on medium-Term notes.",
        "label": "Interest Expense, Medium-term Notes",
        "terseLabel": "Add: interest expense on convertible notes"
       }
      }
     },
     "localname": "InterestExpenseMediumTermNotes",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPaidNet": {
     "auth_ref": [
      "r121",
      "r124",
      "r131"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.",
        "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities",
        "terseLabel": "Cash paid during the year for interest"
       }
      }
     },
     "localname": "InterestPaidNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoriesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tangible personal property held for sale in the ordinary course of business, or in process of, or to be consumed in, production for sale.",
        "label": "Inventories [Member]",
        "terseLabel": "Inventory"
       }
      }
     },
     "localname": "InventoriesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InventoryCurrentTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about inventory expected to be sold or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Current [Table]"
       }
      }
     },
     "localname": "InventoryCurrentTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventory Disclosure [Abstract]"
       }
      }
     },
     "localname": "InventoryDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryDisclosureTextBlock": {
     "auth_ref": [
      "r263"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.",
        "label": "Inventory Disclosure [Text Block]",
        "terseLabel": "Inventories, net"
       }
      }
     },
     "localname": "InventoryDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNet"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InventoryFinishedGoodsNetOfReserves": {
     "auth_ref": [
      "r36",
      "r262"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.",
        "label": "Inventory, Finished Goods, Net of Reserves",
        "terseLabel": "Finished goods"
       }
      }
     },
     "localname": "InventoryFinishedGoodsNetOfReserves",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Inventory [Line Items]"
       }
      }
     },
     "localname": "InventoryLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryNet": {
     "auth_ref": [
      "r4",
      "r68",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Net",
        "terseLabel": "Inventory",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "InventoryNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryPolicyTextBlock": {
     "auth_ref": [
      "r16",
      "r69",
      "r137",
      "r198",
      "r258",
      "r260",
      "r263",
      "r634"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.",
        "label": "Inventory, Policy [Policy Text Block]",
        "terseLabel": "Inventories, net"
       }
      }
     },
     "localname": "InventoryPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InventoryRawMaterialsNetOfReserves": {
     "auth_ref": [
      "r38",
      "r262"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.",
        "label": "Inventory, Raw Materials, Net of Reserves",
        "terseLabel": "Raw materials"
       }
      }
     },
     "localname": "InventoryRawMaterialsNetOfReserves",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryValuationReserves": {
     "auth_ref": [
      "r68",
      "r261"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of valuation reserve for inventory.",
        "label": "Inventory Valuation Reserves",
        "periodEndLabel": "Inventory Valuation Reserves, Ending Balance",
        "periodStartLabel": "Inventory Valuation Reserves, Beginning Balance",
        "terseLabel": "Inventory reserves"
       }
      }
     },
     "localname": "InventoryValuationReserves",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryWorkInProcessAndRawMaterials": {
     "auth_ref": [
      "r67"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate carrying amount as of the balance sheet date of items held by the entity which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product.  Includes supplies used directly or indirectly in the manufacturing or production process.  This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.",
        "label": "Inventory, Work in Process and Raw Materials",
        "terseLabel": "Balance within raw materials and work-in-process inventory",
        "totalLabel": "Inventory, Work in Process and Raw Materials, Total"
       }
      }
     },
     "localname": "InventoryWorkInProcessAndRawMaterials",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryWorkInProcessNetOfReserves": {
     "auth_ref": [
      "r37",
      "r262"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.",
        "label": "Inventory, Work in Process, Net of Reserves",
        "terseLabel": "Work-in-process"
       }
      }
     },
     "localname": "InventoryWorkInProcessNetOfReserves",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetSummaryOfInventoriesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryWriteDown": {
     "auth_ref": [
      "r259"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.",
        "label": "Inventory Write-down",
        "terseLabel": "Inventory write-off"
       }
      }
     },
     "localname": "InventoryWriteDown",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentIncomeInterest": {
     "auth_ref": [
      "r107",
      "r219"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.",
        "label": "Investment Income, Interest",
        "terseLabel": "Interest income"
       }
      }
     },
     "localname": "InvestmentIncomeInterest",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentPolicyTextBlock": {
     "auth_ref": [
      "r254",
      "r677"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for investment in financial asset.",
        "label": "Investment, Policy [Policy Text Block]",
        "terseLabel": "Cash, Cash Equivalents, and Marketable Securities"
       }
      }
     },
     "localname": "InvestmentPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InvestmentTypeAxis": {
     "auth_ref": [
      "r695",
      "r696",
      "r697",
      "r698",
      "r699",
      "r700",
      "r701",
      "r702",
      "r703",
      "r704",
      "r705",
      "r706",
      "r707",
      "r708",
      "r709"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of investments.",
        "label": "Investment Type [Axis]",
        "terseLabel": "Investment Type"
       }
      }
     },
     "localname": "InvestmentTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "auth_ref": [
      "r695",
      "r696",
      "r697",
      "r698",
      "r699",
      "r700",
      "r701",
      "r702",
      "r703",
      "r704",
      "r705",
      "r706",
      "r707",
      "r708",
      "r709"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset obtained to generate income or appreciate in value.",
        "label": "Investments [Domain]",
        "terseLabel": "Investments"
       }
      }
     },
     "localname": "InvestmentTypeCategorizationMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments, Debt and Equity Securities [Abstract]"
       }
      }
     },
     "localname": "InvestmentsDebtAndEquitySecuritiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_LeaseCostTableTextBlock": {
     "auth_ref": [
      "r608"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.",
        "label": "Lease, Cost [Table Text Block]",
        "terseLabel": "Summary of Operating Lease Expense"
       }
      }
     },
     "localname": "LeaseCostTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LeaseExpirationDate1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Date which lease or group of leases is set to expire, in YYYY-MM-DD format.",
        "label": "Lease Expiration Date",
        "terseLabel": "Lease expiration date"
       }
      }
     },
     "localname": "LeaseExpirationDate1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_LeaseholdImprovementsGross": {
     "auth_ref": [
      "r10",
      "r278"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.",
        "label": "Leasehold Improvements, Gross",
        "terseLabel": "Leasehold improvements"
       }
      }
     },
     "localname": "LeaseholdImprovementsGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LeaseholdImprovementsMember": {
     "auth_ref": [
      "r278"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Additions or improvements to assets held under a lease arrangement.",
        "label": "Leasehold Improvements [Member]",
        "terseLabel": "Leasehold Improvements"
       }
      }
     },
     "localname": "LeaseholdImprovementsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LesseeLeasesPolicyTextBlock": {
     "auth_ref": [
      "r601"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee.",
        "label": "Lessee, Leases [Policy Text Block]",
        "terseLabel": "Leases"
       }
      }
     },
     "localname": "LesseeLeasesPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease.",
        "label": "Lessee, Operating Lease, Liability, to be Paid",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Lessee, Operating Lease, Liability, to be Paid, after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year One",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Five",
        "terseLabel": "2026"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Four",
        "terseLabel": "2025"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": {
     "auth_ref": [
      "r609"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail2": {
       "order": 0.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.",
        "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
        "negatedLabel": "Present value adjustment"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseOptionToExtend": {
     "auth_ref": [
      "r602"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.",
        "label": "Lessee, Operating Lease, Option to Extend",
        "terseLabel": "Lease option to extend"
       }
      }
     },
     "localname": "LesseeOperatingLeaseOptionToExtend",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeOperatingLeaseRenewalTerm": {
     "auth_ref": [
      "r602"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessee, Operating Lease, Renewal Term",
        "terseLabel": "Renewal term of lease"
       }
      }
     },
     "localname": "LesseeOperatingLeaseRenewalTerm",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LesseeOperatingLeaseTermOfContract": {
     "auth_ref": [
      "r602"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessee, Operating Lease, Term of Contract",
        "terseLabel": "Initial lease term"
       }
      }
     },
     "localname": "LesseeOperatingLeaseTermOfContract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LesseeOperatingSubleaseExistenceOfOptionToExtend": {
     "auth_ref": [
      "r602"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates (true false) whether sublessee has option to extend operating sublease.",
        "label": "Lessee, Operating Sublease, Existence of Option to Extend [true false]",
        "terseLabel": "Existence of option to extend"
       }
      }
     },
     "localname": "LesseeOperatingSubleaseExistenceOfOptionToExtend",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "booleanItemType"
    },
    "us-gaap_LesseeOperatingSubleaseOptionToExtend": {
     "auth_ref": [
      "r602"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of terms and conditions of option to extend operating sublease.",
        "label": "Lessee, Operating Sublease, Option to Extend",
        "terseLabel": "Option to extend"
       }
      }
     },
     "localname": "LesseeOperatingSubleaseOptionToExtend",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r51",
      "r143",
      "r226",
      "r255",
      "r322",
      "r323",
      "r324",
      "r326",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r552",
      "r554",
      "r555",
      "r577",
      "r615",
      "r616"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 0.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
        "label": "Liabilities",
        "terseLabel": "Liability under agreement",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r34",
      "r143",
      "r255",
      "r577",
      "r617",
      "r644",
      "r670"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "Total liabilities and stockholders\u2019 equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "Liabilities and stockholders\u2019 equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesCurrent": {
     "auth_ref": [
      "r53",
      "r143",
      "r255",
      "r322",
      "r323",
      "r324",
      "r326",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r552",
      "r554",
      "r555",
      "r577",
      "r615",
      "r616",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 0.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
        "label": "Liabilities, Current",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "localname": "LiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Current [Abstract]",
        "terseLabel": "Current liabilities:"
       }
      }
     },
     "localname": "LiabilitiesCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesFairValueDisclosure": {
     "auth_ref": [
      "r563"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of financial and nonfinancial obligations.",
        "label": "Financial and Nonfinancial Liabilities, Fair Value Disclosure",
        "terseLabel": "Total liabilities"
       }
      }
     },
     "localname": "LiabilitiesFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesFairValueDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Fair Value Disclosure [Abstract]",
        "terseLabel": "Liabilities"
       }
      }
     },
     "localname": "LiabilitiesFairValueDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r50"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "terseLabel": "Maximum borrowing capacity",
        "verboseLabel": "Maximum borrowing capacity"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtNoncurrent": {
     "auth_ref": [
      "r58"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-term Debt, Excluding Current Maturities",
        "terseLabel": "Long-term debt, net of debt discounts of $1,094 and $1,394 at December 31, 2020 and 2019, respectively",
        "totalLabel": "Long-term Debt, Excluding Current Maturities, Total"
       }
      }
     },
     "localname": "LongTermDebtNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtTextBlock": {
     "auth_ref": [
      "r370"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for long-term debt.",
        "label": "Long-term Debt [Text Block]",
        "terseLabel": "Long-Term Debt"
       }
      }
     },
     "localname": "LongTermDebtTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r58"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r58",
      "r321"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Long-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LossContingenciesByNatureOfContingencyAxis": {
     "auth_ref": [
      "r307",
      "r308",
      "r309",
      "r310",
      "r311",
      "r312",
      "r313",
      "r315",
      "r316"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur.",
        "label": "Loss Contingency Nature [Axis]",
        "terseLabel": "Loss Contingency Nature"
       }
      }
     },
     "localname": "LossContingenciesByNatureOfContingencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingenciesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Loss Contingencies [Line Items]",
        "terseLabel": "Loss Contingencies [Line Items]"
       }
      }
     },
     "localname": "LossContingenciesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingenciesTable": {
     "auth_ref": [
      "r307",
      "r308",
      "r309",
      "r310",
      "r311",
      "r312",
      "r313",
      "r315",
      "r316"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.",
        "label": "Loss Contingencies [Table]",
        "terseLabel": "Loss Contingencies [Table]"
       }
      }
     },
     "localname": "LossContingenciesTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingencyNatureDomain": {
     "auth_ref": [
      "r307",
      "r308",
      "r309",
      "r310",
      "r311",
      "r312",
      "r313",
      "r315",
      "r316"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "An existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or impairment of an asset or the incurrence of a liability.",
        "label": "Loss Contingency, Nature [Domain]",
        "terseLabel": "Loss Contingency, Nature"
       }
      }
     },
     "localname": "LossContingencyNatureDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MachineryAndEquipmentGross": {
     "auth_ref": [
      "r10",
      "r278"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.",
        "label": "Machinery and Equipment, Gross",
        "terseLabel": "Manufacturing equipment",
        "totalLabel": "Machinery and Equipment, Gross, Total"
       }
      }
     },
     "localname": "MachineryAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MachineryAndEquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.",
        "label": "Machinery and Equipment [Member]",
        "terseLabel": "Manufacturing Equipment"
       }
      }
     },
     "localname": "MachineryAndEquipmentMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MoneyMarketFundsMember": {
     "auth_ref": [
      "r432"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.",
        "label": "Money Market Funds [Member]",
        "terseLabel": "Money Market Funds"
       }
      }
     },
     "localname": "MoneyMarketFundsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r123"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "Net cash provided by financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]",
        "terseLabel": "Financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r123"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash (used in) provided by investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]",
        "terseLabel": "Investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r123",
      "r126",
      "r129"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 0.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "totalLabel": "Net cash provided by (used in) operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r1",
      "r84",
      "r87",
      "r93",
      "r99",
      "r129",
      "r143",
      "r161",
      "r163",
      "r164",
      "r165",
      "r166",
      "r169",
      "r170",
      "r184",
      "r222",
      "r224",
      "r227",
      "r230",
      "r232",
      "r255",
      "r322",
      "r323",
      "r324",
      "r326",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r562",
      "r577",
      "r649",
      "r673"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 0.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss": {
       "order": 0.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 0.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
        "label": "Net Income (Loss) Attributable to Parent",
        "terseLabel": "Net income (loss)",
        "totalLabel": "Net income (loss)"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r163",
      "r164",
      "r165",
      "r166",
      "r171",
      "r172",
      "r186",
      "r191",
      "r222",
      "r224",
      "r227",
      "r230",
      "r232"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic",
        "totalLabel": "Net income (loss) allocable to common stockholders, basic"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": {
     "auth_ref": [
      "r173",
      "r179",
      "r180",
      "r181",
      "r182",
      "r186",
      "r191"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.",
        "label": "Net Income (Loss) Available to Common Stockholders, Diluted",
        "totalLabel": "Net income (loss) allocable to common stockholders, diluted"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "Recent Accounting Pronouncements"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NonUsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Countries excluding the United States of America (US).",
        "label": "Non-US [Member]"
       }
      }
     },
     "localname": "NonUsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NotesAndLoansReceivableNetCurrent": {
     "auth_ref": [
      "r5",
      "r6",
      "r27",
      "r237",
      "r238",
      "r646"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of financing receivable, classified as current. Includes, but is not limited to, notes and loan receivable.",
        "label": "Financing Receivable, after Allowance for Credit Loss, Current",
        "terseLabel": "Interest- free unsecured forgivable loan",
        "totalLabel": "Financing Receivable, after Allowance for Credit Loss, Current, Total"
       }
      }
     },
     "localname": "NotesAndLoansReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NumberOfOperatingSegments": {
     "auth_ref": [
      "r216"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.",
        "label": "Number of Operating Segments",
        "terseLabel": "Number of operating segment"
       }
      }
     },
     "localname": "NumberOfOperatingSegments",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating expenses:"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [
      "r222",
      "r224",
      "r227",
      "r230",
      "r232"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 0.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The net result for the period of deducting operating expenses from operating revenues.",
        "label": "Operating Income (Loss)",
        "totalLabel": "Income (loss) from operations"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseExpense": {
     "auth_ref": [
      "r599"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of operating lease expense. Excludes sublease income.",
        "label": "Operating Lease, Expense",
        "terseLabel": "Operating lease expense"
       }
      }
     },
     "localname": "OperatingLeaseExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfOperatingLeaseExpenseDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lessee, Operating Lease, Liability, Payment, Due [Abstract]",
        "terseLabel": "Operating Lease Liabilities"
       }
      }
     },
     "localname": "OperatingLeaseLiabilitiesPaymentsDueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingLeaseLiability": {
     "auth_ref": [
      "r597"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail2": {
       "order": 1.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.",
        "label": "Operating Lease, Liability",
        "terseLabel": "Total",
        "totalLabel": "Total operating lease liabilities"
       }
      }
     },
     "localname": "OperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfMaturitiesOfSubleaseIncomeAndOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiabilityCurrent": {
     "auth_ref": [
      "r597"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_OperatingLeaseLiability",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.",
        "label": "Operating Lease, Liability, Current",
        "terseLabel": "Current portion of lease liabilities (included in other current liabilities)"
       }
      }
     },
     "localname": "OperatingLeaseLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList": {
     "auth_ref": [
      "r598"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates line item in statement of financial position that includes current operating lease liability.",
        "label": "Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]",
        "terseLabel": "Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]"
       }
      }
     },
     "localname": "OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail"
     ],
     "xbrltype": "enumerationSetItemType"
    },
    "us-gaap_OperatingLeaseLiabilityNoncurrent": {
     "auth_ref": [
      "r597"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingLeaseLiability",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.",
        "label": "Operating Lease, Liability, Noncurrent",
        "terseLabel": "Long-term portion of lease liabilities"
       }
      }
     },
     "localname": "OperatingLeaseLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfBalanceSheetClassificationOfOperatingLeaseLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeasePayments": {
     "auth_ref": [
      "r600",
      "r604"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.",
        "label": "Operating Lease, Payments",
        "terseLabel": "Cash paid for amounts included in the measurement of operating lease liabilities"
       }
      }
     },
     "localname": "OperatingLeasePayments",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseRightOfUseAsset": {
     "auth_ref": [
      "r596"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of lessee's right to use underlying asset under operating lease.",
        "label": "Operating Lease, Right-of-Use Asset",
        "terseLabel": "Operating lease right-of-use assets"
       }
      }
     },
     "localname": "OperatingLeaseRightOfUseAsset",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": {
     "auth_ref": [
      "r607",
      "r610"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average discount rate for operating lease calculated at point in time.",
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "terseLabel": "Weighted average discount rate"
       }
      }
     },
     "localname": "OperatingLeaseWeightedAverageDiscountRatePercent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": {
     "auth_ref": [
      "r606",
      "r610"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Operating Lease, Weighted Average Remaining Lease Term",
        "terseLabel": "Weighted average remaining lease term"
       }
      }
     },
     "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_OperatingLossCarryforwards": {
     "auth_ref": [
      "r526"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
        "label": "Operating Loss Carryforwards",
        "terseLabel": "Net operating loss carryforwards",
        "totalLabel": "Operating Loss Carryforwards, Total"
       }
      }
     },
     "localname": "OperatingLossCarryforwards",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "auth_ref": [
      "r2",
      "r556"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.",
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "Organization"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOrganization"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r12",
      "r14",
      "r15",
      "r52"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail": {
       "order": 4.0,
       "parentTag": "dvax_AccruedResearchAndDevelopmentExpensesAndAccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.",
        "label": "Other Accrued Liabilities, Current",
        "terseLabel": "Other accrued liabilities"
       }
      }
     },
     "localname": "OtherAccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCurrentAccruedLiabilitiesAndAccruedResearchAndDevelopmentComponentOfCurrentAccruedLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "auth_ref": [
      "r48"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of noncurrent assets classified as other.",
        "label": "Other Assets, Noncurrent",
        "terseLabel": "Other assets",
        "totalLabel": "Other Assets, Noncurrent, Total"
       }
      }
     },
     "localname": "OtherAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax": {
     "auth_ref": [
      "r77"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax",
        "terseLabel": "Cumulative foreign currency translation adjustments",
        "totalLabel": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r85",
      "r88",
      "r91",
      "r92",
      "r94",
      "r100",
      "r391",
      "r581",
      "r586",
      "r587",
      "r650",
      "r674"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), Net of Tax",
        "terseLabel": "Total other comprehensive loss",
        "totalLabel": "Total other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]",
        "terseLabel": "Other comprehensive income (loss), net of tax:"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax": {
     "auth_ref": [
      "r79",
      "r82",
      "r83",
      "r253"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss": {
       "order": 0.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.",
        "label": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax",
        "negatedLabel": "Reclassification of realized gain on available-for-sale securities recognized in interest income",
        "totalLabel": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax, Total"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLiabilitiesCurrent": {
     "auth_ref": [
      "r11",
      "r12",
      "r52",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 6.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.",
        "label": "Other Liabilities, Current",
        "terseLabel": "Other current liabilities",
        "totalLabel": "Other Liabilities, Current, Total"
       }
      }
     },
     "localname": "OtherLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLiabilitiesNoncurrent": {
     "auth_ref": [
      "r59"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.",
        "label": "Other Liabilities, Noncurrent",
        "terseLabel": "Other long-term liabilities",
        "totalLabel": "Other Liabilities, Noncurrent, Total"
       }
      }
     },
     "localname": "OtherLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "auth_ref": [
      "r109"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 6.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.",
        "label": "Other Nonoperating Income (Expense)",
        "terseLabel": "Other",
        "totalLabel": "Other Nonoperating Income (Expense), Total"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Nonoperating Income (Expense) [Abstract]",
        "terseLabel": "Other income (expense):"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpenseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other nonoperating income (expense).",
        "label": "Other Nonoperating Income (Expense) [Member]",
        "terseLabel": "Other Nonoperating Income (Expense)",
        "verboseLabel": "Other Income (Expense)"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherReceivables": {
     "auth_ref": [
      "r70"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount due from parties in nontrade transactions, classified as other.",
        "label": "Other Receivables",
        "terseLabel": "Other receivables"
       }
      }
     },
     "localname": "OtherReceivables",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain": {
     "auth_ref": [
      "r251"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Provides the categories of debt securities, available-for-sale or held-to-maturity, on which an entity may recognize other than temporary impairments (OTTI) for which a portion related to credit losses has been recognized in earnings and a portion related to all other factors has been recognized in other comprehensive income.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]",
        "terseLabel": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PaidInKindInterest": {
     "auth_ref": [
      "r128"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Paid-in-Kind Interest",
        "terseLabel": "Paid-in-kind interest"
       }
      }
     },
     "localname": "PaidInKindInterest",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PayablesAndAccrualsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payables and Accruals [Abstract]"
       }
      }
     },
     "localname": "PayablesAndAccrualsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PaymentsForProceedsFromTenantAllowance": {
     "auth_ref": [
      "r114",
      "r116"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.",
        "label": "Payments for (Proceeds from) Tenant Allowance",
        "negatedLabel": "Tenant improvements provided by the landlord",
        "verboseLabel": "Tenant improvement allowance"
       }
      }
     },
     "localname": "PaymentsForProceedsFromTenantAllowance",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRestructuring": {
     "auth_ref": [
      "r122",
      "r286"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.",
        "label": "Payments for Restructuring",
        "negatedLabel": "Cash payments or settlements"
       }
      }
     },
     "localname": "PaymentsForRestructuring",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfStockIssuanceCosts": {
     "auth_ref": [
      "r120"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for cost incurred directly with the issuance of an equity security.",
        "label": "Payments of Stock Issuance Costs",
        "terseLabel": "Payment of issuance costs"
       }
      }
     },
     "localname": "PaymentsOfStockIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireIntangibleAssets": {
     "auth_ref": [
      "r115"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.",
        "label": "Payments to Acquire Intangible Assets",
        "terseLabel": "Payment upon obligation"
       }
      }
     },
     "localname": "PaymentsToAcquireIntangibleAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireMarketableSecurities": {
     "auth_ref": [
      "r241"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash outflow for purchase of marketable security.",
        "label": "Payments to Acquire Marketable Securities",
        "negatedLabel": "Purchases of marketable securities",
        "totalLabel": "Payments to Acquire Marketable Securities, Total"
       }
      }
     },
     "localname": "PaymentsToAcquireMarketableSecurities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "auth_ref": [
      "r115"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.",
        "label": "Payments to Acquire Property, Plant, and Equipment",
        "negatedLabel": "Purchases of property and equipment, net",
        "totalLabel": "Payments to Acquire Property, Plant, and Equipment, Total"
       }
      }
     },
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]"
       }
      }
     },
     "localname": "PensionAndOtherPostretirementBenefitExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock": {
     "auth_ref": [
      "r431",
      "r433",
      "r439",
      "r440",
      "r442",
      "r443",
      "r444",
      "r445",
      "r446",
      "r448",
      "r450",
      "r451",
      "r452",
      "r455"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for retirement benefits.",
        "label": "Retirement Benefits [Text Block]",
        "terseLabel": "Employee Benefit Plan"
       }
      }
     },
     "localname": "PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEmployeeBenefitPlan"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PerformanceSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share-based payment arrangement awarded for meeting performance target.",
        "label": "Performance Shares [Member]",
        "terseLabel": "Performance Based Vesting Condition"
       }
      }
     },
     "localname": "PerformanceSharesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PlanNameAxis": {
     "auth_ref": [
      "r459",
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by plan name for share-based payment arrangement.",
        "label": "Plan Name [Axis]",
        "terseLabel": "Plan Name"
       }
      }
     },
     "localname": "PlanNameAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PlanNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Plan name for share-based payment arrangement.",
        "label": "Plan Name [Domain]",
        "terseLabel": "Plan Name"
       }
      }
     },
     "localname": "PlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PledgedAssetsSeparatelyReportedSecuritiesPledgedUnderLetterOfCreditFacilitiesAtFairValue": {
     "auth_ref": [
      "r631"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The fair value, as of the date of each statement of financial position presented, of securities that are restricted as collateral under letter of credit agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.",
        "label": "Pledged Assets Separately Reported, Securities Pledged under Letter of Credit Facilities, at Fair Value",
        "terseLabel": "Letter of credit pledged as security"
       }
      }
     },
     "localname": "PledgedAssetsSeparatelyReportedSecuritiesPledgedUnderLetterOfCreditFacilitiesAtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PreferredStockDividendsIncomeStatementImpact": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.",
        "label": "Preferred Stock Dividends, Income Statement Impact",
        "negatedLabel": "Less: preferred stock deemed dividend"
       }
      }
     },
     "localname": "PreferredStockDividendsIncomeStatementImpact",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company.",
        "label": "Preferred Stock [Member]",
        "terseLabel": "Preferred Stock"
       }
      }
     },
     "localname": "PreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r25",
      "r375"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.",
        "label": "Preferred Stock, Par or Stated Value Per Share",
        "terseLabel": "Preferred stock, par value"
       }
      }
     },
     "localname": "PreferredStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock, shares authorized"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r25",
      "r375"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.",
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred stock, shares issued",
        "totalLabel": "Preferred Stock, Shares Issued, Total"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.",
        "label": "Preferred Stock, Shares Outstanding",
        "periodEndLabel": "Preferred Stock, Shares Outstanding, Ending Balance",
        "periodStartLabel": "Preferred Stock, Shares Outstanding, Beginning Balance",
        "terseLabel": "Preferred stock, shares outstanding"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r25",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 0.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Preferred Stock, Value, Issued",
        "periodEndLabel": "Preferred Stock, Value, Issued, Ending Balance",
        "periodStartLabel": "Preferred Stock, Value, Issued, Beginning Balance",
        "terseLabel": "Preferred stock: $0.001 par value",
        "totalLabel": "Preferred Stock, Value, Issued, Total"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": {
     "auth_ref": [
      "r7",
      "r42",
      "r43"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.",
        "label": "Prepaid Expense and Other Assets, Current",
        "terseLabel": "Prepaid expenses and other current assets"
       }
      }
     },
     "localname": "PrepaidExpenseAndOtherAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromConvertibleDebt": {
     "auth_ref": [
      "r118"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.",
        "label": "Proceeds from Convertible Debt",
        "terseLabel": "Proceeds from issuance of Convertible Notes, net"
       }
      }
     },
     "localname": "ProceedsFromConvertibleDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfCommonStock": {
     "auth_ref": [
      "r117"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the additional capital contribution to the entity.",
        "label": "Proceeds from Issuance of Common Stock",
        "verboseLabel": "Proceeds from issuances of common stock, net"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfLongTermDebt": {
     "auth_ref": [
      "r118"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 0.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.",
        "label": "Proceeds from Issuance of Long-term Debt",
        "terseLabel": "Proceeds from long-term debt, net",
        "totalLabel": "Proceeds from Issuance of Long-term Debt, Total",
        "verboseLabel": "Net proceeds from the initial term loan"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock": {
     "auth_ref": [
      "r117"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.",
        "label": "Proceeds from Issuance of Preferred Stock and Preference Stock",
        "terseLabel": "Proceeds from issuances of preferred stock, net"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfPreferredStockAndPreferenceStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfWarrants": {
     "auth_ref": [
      "r117"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).",
        "label": "Proceeds from Issuance of Warrants",
        "terseLabel": "Proceeds allocated to warrant liability at issuance"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfWarrants",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOrSaleOfEquity": {
     "auth_ref": [
      "r117"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.",
        "label": "Proceeds from Issuance or Sale of Equity",
        "terseLabel": "Net cash proceeds received from issuance or sale of equity",
        "totalLabel": "Proceeds from Issuance or Sale of Equity, Total",
        "verboseLabel": "Net cash proceeds received from issuance or sale of equity"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOrSaleOfEquity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities": {
     "auth_ref": [
      "r111",
      "r112",
      "r241"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Proceeds from Sale and Maturity of Debt Securities, Available-for-sale",
        "terseLabel": "Proceeds from maturities and redemptions of marketable securities",
        "totalLabel": "Proceeds from Sale and Maturity of Debt Securities, Available-for-sale, Total"
       }
      }
     },
     "localname": "ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities  (held-to-maturity or available-for-sale) during the period.",
        "label": "Proceeds from Sale and Maturity of Marketable Securities",
        "terseLabel": "Proceeds from sales of marketable securities",
        "totalLabel": "Proceeds from Sale and Maturity of Marketable Securities, Total"
       }
      }
     },
     "localname": "ProceedsFromSaleAndMaturityOfMarketableSecurities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfProductiveAssets": {
     "auth_ref": [
      "r113"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.",
        "label": "Proceeds from Sale of Productive Assets",
        "terseLabel": "Proceeds from sale of assets, net of transaction costs",
        "totalLabel": "Proceeds from Sale of Productive Assets, Total"
       }
      }
     },
     "localname": "ProceedsFromSaleOfProductiveAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromStockPlans": {
     "auth_ref": [
      "r117"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow associated with the amount received from the stock plan during the period.",
        "label": "Proceeds from Stock Plans",
        "terseLabel": "Proceeds from Employee Stock Purchase Plan"
       }
      }
     },
     "localname": "ProceedsFromStockPlans",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromWarrantExercises": {
     "auth_ref": [
      "r117"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow associated with the amount received from holders exercising their stock warrants.",
        "label": "Proceeds from Warrant Exercises",
        "negatedLabel": "Warrants exercised",
        "terseLabel": "Warrants exercised"
       }
      }
     },
     "localname": "ProceedsFromWarrantExercises",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueWarrantLiabilityDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductConcentrationRiskMember": {
     "auth_ref": [
      "r210"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reflects the percentage that revenues during the period from a specified product are to a specified benchmark, such as total net revenues, segment revenues or product line revenues. May also reflect the percentage contribution the product made to operating results. Risk is materially adverse effects of a loss of sales of a significant product or line of products, which could occur upon loss of rights to sell, distribute or license others; loss of patent or copyright protection; or technological obsolescence.",
        "label": "Product Concentration Risk [Member]"
       }
      }
     },
     "localname": "ProductConcentrationRiskMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProductMember": {
     "auth_ref": [
      "r424"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Article or substance produced by nature, labor or machinery.",
        "label": "Product [Member]",
        "terseLabel": "Product"
       }
      }
     },
     "localname": "ProductMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment [Abstract]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentByTypeAxis": {
     "auth_ref": [
      "r47",
      "r280"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.",
        "label": "Long-Lived Tangible Asset [Axis]",
        "terseLabel": "Long-Lived Tangible Asset"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": {
     "auth_ref": [
      "r282",
      "r714",
      "r715",
      "r716"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.",
        "label": "Property, Plant and Equipment Disclosure [Text Block]",
        "terseLabel": "Property and Equipment, Net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNet"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentGross": {
     "auth_ref": [
      "r46",
      "r278"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Gross",
        "periodEndLabel": "Property, Plant and Equipment, Gross, Ending Balance",
        "periodStartLabel": "Property, Plant and Equipment, Gross, Beginning Balance",
        "totalLabel": "Property, Plant and Equipment, Gross"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Property, Plant and Equipment [Line Items]",
        "terseLabel": "Property Plant And Equipment [Line Items]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "auth_ref": [
      "r18",
      "r19",
      "r280",
      "r617",
      "r661",
      "r671"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Net",
        "periodEndLabel": "Property, Plant and Equipment, Net, Ending Balance",
        "periodStartLabel": "Property, Plant and Equipment, Net, Beginning Balance",
        "terseLabel": "Property and equipment, net",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentOther": {
     "auth_ref": [
      "r280"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.",
        "label": "Property, Plant and Equipment, Other, Gross",
        "terseLabel": "Assets in progress"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentOther",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": {
     "auth_ref": [
      "r45",
      "r280",
      "r714",
      "r715"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.",
        "label": "Property, Plant and Equipment, Policy [Policy Text Block]",
        "terseLabel": "Long-Lived Assets"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTextBlock": {
     "auth_ref": [
      "r18",
      "r280"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.",
        "label": "Property, Plant and Equipment [Table Text Block]",
        "terseLabel": "Component of Property and Equipment, Net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTypeDomain": {
     "auth_ref": [
      "r18",
      "r278"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.",
        "label": "Long-Lived Tangible Asset [Domain]",
        "terseLabel": "Long-Lived Tangible Asset"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentUsefulLife": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.",
        "label": "Property, Plant and Equipment, Useful Life",
        "terseLabel": "Estimated Useful Lives (In years)"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentUsefulLife",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_PublicUtilitiesInventoryAxis": {
     "auth_ref": [
      "r39"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of inventory held.",
        "label": "Inventory [Axis]",
        "terseLabel": "Inventory"
       }
      }
     },
     "localname": "PublicUtilitiesInventoryAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PublicUtilitiesInventoryTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tangible personal property that is held for sale in the ordinary course of business, in process of production for such sale or is to be currently consumed in the production of goods or services to be available for sale.",
        "label": "Inventory [Domain]",
        "terseLabel": "Inventory"
       }
      }
     },
     "localname": "PublicUtilitiesInventoryTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PurchaseObligation": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.",
        "label": "Purchase Obligation",
        "terseLabel": "Non-cancelable purchase and other commitments",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "PurchaseObligation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PurchaseObligationDueAfterFifthYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of purchase arrangement to be paid after fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Purchase Obligation, to be Paid, after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "PurchaseObligationDueAfterFifthYear",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PurchaseObligationDueInFifthYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Purchase Obligation, to be Paid, Year Five",
        "terseLabel": "2026"
       }
      }
     },
     "localname": "PurchaseObligationDueInFifthYear",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PurchaseObligationDueInFourthYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Purchase Obligation, to be Paid, Year Four",
        "terseLabel": "2025"
       }
      }
     },
     "localname": "PurchaseObligationDueInFourthYear",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PurchaseObligationDueInNextTwelveMonths": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Purchase Obligation, to be Paid, Year One",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "PurchaseObligationDueInNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PurchaseObligationDueInSecondYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Purchase Obligation, to be Paid, Year Two",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "PurchaseObligationDueInSecondYear",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PurchaseObligationDueInThirdYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Purchase Obligation, to be Paid, Year Three",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "PurchaseObligationDueInThirdYear",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfMaterialPurchaseCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReceivableTypeDomain": {
     "auth_ref": [
      "r66"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financing arrangement representing a contractual right to receive money either on demand or on fixed and determinable dates.",
        "label": "Receivable [Domain]"
       }
      }
     },
     "localname": "ReceivableTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RepaymentsOfDebt": {
     "auth_ref": [
      "r119"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.",
        "label": "Repayments of Debt",
        "terseLabel": "Repayments of debt"
       }
      }
     },
     "localname": "RepaymentsOfDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureConvertibleNotesAdditionalInformationDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "auth_ref": [
      "r119"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.",
        "label": "Repayments of Long-term Debt",
        "terseLabel": "Repayment of long-term debt",
        "totalLabel": "Repayments of Long-term Debt, Total"
       }
      }
     },
     "localname": "RepaymentsOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ResearchAndDevelopmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Research and Development [Abstract]"
       }
      }
     },
     "localname": "ResearchAndDevelopmentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ResearchAndDevelopmentExpense": {
     "auth_ref": [
      "r502",
      "r635",
      "r729"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.",
        "label": "Research and Development Expense",
        "terseLabel": "Research and development",
        "totalLabel": "Research and Development Expense, Total"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ResearchAndDevelopmentExpenseMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption in which the reported facts about research and development expense have been included.",
        "label": "Research and Development Expense [Member]",
        "terseLabel": "Research and Development"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ResearchAndDevelopmentExpensePolicy": {
     "auth_ref": [
      "r502"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.",
        "label": "Research and Development Expense, Policy [Policy Text Block]",
        "terseLabel": "Research and Development Expenses and Accruals"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpensePolicy",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ResearchMember": {
     "auth_ref": [
      "r527"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Research tax credit carryforwards arising from certain qualifying expenditures incurred to develop new products and processes.",
        "label": "Research Tax Credit Carryforward [Member]",
        "terseLabel": "Research And Development Tax Credits"
       }
      }
     },
     "localname": "ResearchMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsNoncurrent": {
     "auth_ref": [
      "r9",
      "r20",
      "r130",
      "r135",
      "r711"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      },
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Restricted Cash and Cash Equivalents, Noncurrent",
        "terseLabel": "Restricted cash",
        "totalLabel": "Restricted Cash and Cash Equivalents, Noncurrent, Total"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesReconciliationOfCashCashEquivalentsAndRestrictedCashDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockExpense": {
     "auth_ref": [
      "r128"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.",
        "label": "Restricted Stock or Unit Expense",
        "terseLabel": "Stock based compensation expense related to restricted stock"
       }
      }
     },
     "localname": "RestrictedStockExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockUnitsRSUMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.",
        "label": "Restricted Stock Units (RSUs) [Member]",
        "terseLabel": "Restricted Stock Units (RSUs)"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestructuringAndRelatedActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restructuring and Related Activities [Abstract]"
       }
      }
     },
     "localname": "RestructuringAndRelatedActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringAndRelatedActivitiesCompletionDate": {
     "auth_ref": [
      "r284",
      "r296"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Date the exit and disposal activities were completed or are expected to be completed, in YYYY-MM-DD format.",
        "label": "Restructuring and Related Activities, Completion Date",
        "terseLabel": "Restructuring completion date"
       }
      }
     },
     "localname": "RestructuringAndRelatedActivitiesCompletionDate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringAdditionalInformationDetail"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock": {
     "auth_ref": [
      "r284",
      "r286",
      "r289",
      "r301",
      "r303"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.",
        "label": "Restructuring and Related Activities Disclosure [Text Block]",
        "terseLabel": "Restructuring"
       }
      }
     },
     "localname": "RestructuringAndRelatedActivitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuring"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RestructuringAndRelatedCostCostIncurredToDate1": {
     "auth_ref": [
      "r285",
      "r288",
      "r297",
      "r300"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of costs incurred to date for the specified restructuring cost.",
        "label": "Restructuring and Related Cost, Cost Incurred to Date",
        "terseLabel": "Restructuring Costs Incurred for the Year Ended December 31, 2019"
       }
      }
     },
     "localname": "RestructuringAndRelatedCostCostIncurredToDate1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of positions eliminated during the period as a result of restructuring activities.",
        "label": "Restructuring and Related Cost, Number of Positions Eliminated",
        "terseLabel": "Number of positions reduced in global workforce"
       }
      }
     },
     "localname": "RestructuringAndRelatedCostNumberOfPositionsEliminated",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringAdditionalInformationDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).",
        "label": "Restructuring and Related Cost, Number of Positions Eliminated, Period Percent",
        "terseLabel": "Percentage of reduction in global workforce"
       }
      }
     },
     "localname": "RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_RestructuringCharges": {
     "auth_ref": [
      "r128",
      "r283",
      "r292",
      "r297"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.",
        "label": "Restructuring Charges",
        "terseLabel": "Severance and other termination benefits",
        "totalLabel": "Restructuring Charges, Total",
        "verboseLabel": "Restructuring"
       }
      }
     },
     "localname": "RestructuringCharges",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestructuringChargesMember": {
     "auth_ref": [
      "r292",
      "r299"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption in which the reported facts about restructuring charges have been included.",
        "label": "Restructuring Charges [Member]",
        "terseLabel": "Restructuring"
       }
      }
     },
     "localname": "RestructuringChargesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestructuringCostAndReserveAxis": {
     "auth_ref": [
      "r285",
      "r286",
      "r297",
      "r298"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of restructuring cost.",
        "label": "Restructuring Type [Axis]",
        "terseLabel": "Restructuring Type"
       }
      }
     },
     "localname": "RestructuringCostAndReserveAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringCostAndReserveLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Restructuring Cost and Reserve [Line Items]",
        "terseLabel": "Restructuring Cost And Reserve [Line Items]"
       }
      }
     },
     "localname": "RestructuringCostAndReserveLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringReserve": {
     "auth_ref": [
      "r286",
      "r294"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.",
        "label": "Restructuring Reserve",
        "periodEndLabel": "Balance at December 31, 2019",
        "periodStartLabel": "Balance at December 31, 2018",
        "totalLabel": "Restructuring Reserve, Total"
       }
      }
     },
     "localname": "RestructuringReserve",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestructuringReserveAcceleratedDepreciation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.",
        "label": "Restructuring and Related Cost, Accelerated Depreciation",
        "terseLabel": "Accelerated depreciation charges",
        "verboseLabel": "Accelerated depreciation related to certain long-lived assets"
       }
      }
     },
     "localname": "RestructuringReserveAcceleratedDepreciation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosurePropertyAndEquipmentNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r30",
      "r399",
      "r496",
      "r617",
      "r669",
      "r689",
      "r691"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings (Accumulated Deficit)",
        "periodEndLabel": "Retained Earnings (Accumulated Deficit), Ending Balance",
        "periodStartLabel": "Retained Earnings (Accumulated Deficit), Beginning Balance",
        "terseLabel": "Accumulated deficit",
        "totalLabel": "Retained Earnings (Accumulated Deficit), Total"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [
      "r0",
      "r158",
      "r159",
      "r160",
      "r162",
      "r168",
      "r170",
      "r256",
      "r493",
      "r494",
      "r495",
      "r534",
      "r535",
      "r560",
      "r686",
      "r688"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings [Member]",
        "terseLabel": "Accumulated Deficit"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "auth_ref": [
      "r217",
      "r218",
      "r223",
      "r228",
      "r229",
      "r233",
      "r234",
      "r236",
      "r420",
      "r421",
      "r636"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 0.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.",
        "label": "Revenue from Contract with Customer, Excluding Assessed Tax",
        "terseLabel": "Total revenues",
        "totalLabel": "Revenue from Contract with Customer, Excluding Assessed Tax, Total",
        "verboseLabel": "Revenue recognized"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionSummaryOfDisaggregationOfRevenuesDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerMember": {
     "auth_ref": [
      "r211",
      "r236"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue from satisfaction of performance obligation by transferring promised product and service to customer, when it serves as benchmark in concentration of risk calculation.",
        "label": "Revenue from Contract with Customer Benchmark [Member]",
        "terseLabel": "Revenue"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": {
     "auth_ref": [
      "r138",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r427"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for revenue from contract with customer.",
        "label": "Revenue from Contract with Customer [Policy Text Block]",
        "terseLabel": "Revenue Recognition"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerTextBlock": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r407",
      "r408",
      "r409",
      "r410",
      "r411",
      "r423",
      "r427"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.",
        "label": "Revenue from Contract with Customer [Text Block]",
        "terseLabel": "Revenue Recognition"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognition"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RevenueRecognitionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue Recognition [Abstract]"
       }
      }
     },
     "localname": "RevenueRecognitionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenuesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenues [Abstract]",
        "terseLabel": "Revenues:"
       }
      }
     },
     "localname": "RevenuesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": {
     "auth_ref": [
      "r605",
      "r610"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.",
        "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability",
        "terseLabel": "Right-of-use assets obtained in exchange for operating lease liabilities"
       }
      }
     },
     "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SaleOfStockNameOfTransactionDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.",
        "label": "Sale of Stock [Domain]",
        "terseLabel": "Sale of Stock"
       }
      }
     },
     "localname": "SaleOfStockNameOfTransactionDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.",
        "label": "Sale of Stock, Number of Shares Issued in Transaction",
        "terseLabel": "Common Stock and Warrants Exercised"
       }
      }
     },
     "localname": "SaleOfStockNumberOfSharesIssuedInTransaction",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SalesRevenueNetMember": {
     "auth_ref": [
      "r211",
      "r236"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenue from sale of product and rendering of service and other sources of income, when it serves as benchmark in concentration of risk calculation.",
        "label": "Revenue Benchmark [Member]"
       }
      }
     },
     "localname": "SalesRevenueNetMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureRevenueRecognitionScheduleOfRevenuesFromMajorCustomersDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.",
        "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]",
        "terseLabel": "Outstanding Stock Options and Stock Awards Excluded from Calculation of Net Loss Per Share"
       }
      }
     },
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureNetLossPerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.",
        "label": "Schedule of Available-for-sale Securities Reconciliation [Table Text Block]",
        "terseLabel": "Summary of Cash, Cash Equivalents and Marketable Securities"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable": {
     "auth_ref": [
      "r549"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.",
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Table]",
        "terseLabel": "Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]"
       }
      }
     },
     "localname": "ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock": {
     "auth_ref": [
      "r488"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.",
        "label": "Share-based Payment Arrangement, Cost by Plan [Table Text Block]",
        "terseLabel": "Stock-Based Compensation Expense"
       }
      }
     },
     "localname": "ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualShareBasedPaymentsTable": {
     "auth_ref": [
      "r428",
      "r429",
      "r459",
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule, table or text reflecting equity-based arrangements (such as stock or unit options and stock or unit awards) with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain equity-based awards at future dates, sometimes including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period, the number of shares or units issued during the period under such arrangements, and the carrying amount as of the balance sheet date of the related liability.",
        "label": "Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table]",
        "terseLabel": "Schedule Of Deferred Compensation Arrangement With Individual Share Based Payments [Table]"
       }
      }
     },
     "localname": "ScheduleOfDeferredCompensationArrangementWithIndividualShareBasedPaymentsTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": {
     "auth_ref": [
      "r523"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.",
        "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]",
        "terseLabel": "Component of Deferred Tax Assets and Liabilities"
       }
      }
     },
     "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Computation of Basic and Diluted Net Loss Per Share"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureNetLossPerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": {
     "auth_ref": [
      "r508"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.",
        "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]",
        "terseLabel": "Difference Between Consolidated Income Tax Benefit and Amount Computed by Federal Statutory Income Tax Rate"
       }
      }
     },
     "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": {
     "auth_ref": [
      "r563",
      "r564"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).",
        "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]",
        "terseLabel": "Fair Value Hierarchy for Financial Assets and Liabilities Measured at Fair Value on Recurring Basis"
       }
      }
     },
     "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureFairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": {
     "auth_ref": [
      "r271",
      "r273",
      "r637"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Schedule of Finite-Lived Intangible Assets [Table]",
        "terseLabel": "Schedule Of Finite Lived Intangible Assets [Table]"
       }
      }
     },
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": {
     "auth_ref": [
      "r271",
      "r273"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.",
        "label": "Schedule of Finite-Lived Intangible Assets [Table Text Block]",
        "terseLabel": "Summary of Intangible Assets"
       }
      }
     },
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock": {
     "auth_ref": [
      "r144"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of income before income tax between domestic and foreign jurisdictions.",
        "label": "Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]",
        "terseLabel": "Component of Consolidated (Loss) Income Before Provision for Income Taxes"
       }
      }
     },
     "localname": "ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": {
     "auth_ref": [
      "r16",
      "r39",
      "r40",
      "r41"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Schedule of Inventory, Current [Table Text Block]",
        "terseLabel": "Summary of Inventories"
       }
      }
     },
     "localname": "ScheduleOfInventoryCurrentTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureInventoriesNetTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": {
     "auth_ref": [
      "r47",
      "r280"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.",
        "label": "Property, Plant and Equipment [Table]",
        "terseLabel": "Schedule Of Property Plant And Equipment [Table]"
       }
      }
     },
     "localname": "ScheduleOfPropertyPlantAndEquipmentTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosurePropertyAndEquipmentNetComponentOfPropertyAndEquipmentNetDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRestructuringAndRelatedCostsTable": {
     "auth_ref": [
      "r285",
      "r286",
      "r287",
      "r288",
      "r297",
      "r298",
      "r300"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Table presenting the description of the restructuring costs, such as the expected cost; the costs incurred during the period; the cumulative costs incurred as of the balance sheet date; the income statement caption within which the restructuring charges recognized for the period are included; and the amount of and periodic changes to an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost by type of restructuring.",
        "label": "Schedule of Restructuring and Related Costs [Table]",
        "terseLabel": "Schedule Of Restructuring And Related Costs [Table]"
       }
      }
     },
     "localname": "ScheduleOfRestructuringAndRelatedCostsTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock": {
     "auth_ref": [
      "r290",
      "r291",
      "r295"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.",
        "label": "Restructuring and Related Costs [Table Text Block]",
        "terseLabel": "Schedule of Major Components of Restructuring Costs"
       }
      }
     },
     "localname": "ScheduleOfRestructuringAndRelatedCostsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock": {
     "auth_ref": [
      "r286",
      "r298"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.",
        "label": "Schedule of Restructuring Reserve by Type of Cost [Table Text Block]",
        "terseLabel": "Schedule of Components of the Restructuring Liabilities"
       }
      }
     },
     "localname": "ScheduleOfRestructuringReserveByTypeOfCostTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.",
        "label": "Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]",
        "terseLabel": "Schedule of Revenues from Major Customers"
       }
      }
     },
     "localname": "ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock": {
     "auth_ref": [
      "r480"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]",
        "terseLabel": "Option Activity under Stock-Based Compensation Plans"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r459",
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about share-based payment arrangement.",
        "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
        "terseLabel": "Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock": {
     "auth_ref": [
      "r466"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.",
        "label": "Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]",
        "terseLabel": "Summary of Non-vested Restricted Stock Units Activity"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": {
     "auth_ref": [
      "r482"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.",
        "label": "Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]",
        "terseLabel": "Fair Value-Based Measurements and Weighted-Average Assumptions"
       }
      }
     },
     "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "auth_ref": [
      "r61",
      "r140",
      "r200",
      "r201",
      "r372",
      "r373",
      "r374",
      "r375",
      "r376",
      "r377",
      "r378",
      "r380",
      "r384",
      "r389",
      "r392",
      "r393",
      "r394",
      "r396",
      "r397",
      "r398",
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.",
        "label": "Schedule of Stock by Class [Table]",
        "terseLabel": "Schedule Of Stock By Class [Table]"
       }
      }
     },
     "localname": "ScheduleOfStockByClassTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock": {
     "auth_ref": [
      "r400",
      "r457"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.",
        "label": "Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]",
        "terseLabel": "Summary of Common Stock Warrants Outstanding"
       }
      }
     },
     "localname": "ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock": {
     "auth_ref": [
      "r518",
      "r533"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the change in unrecognized tax benefits.",
        "label": "Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]",
        "terseLabel": "Schedule of Unrecognized Tax Benefits"
       }
      }
     },
     "localname": "ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SecuredLongTermDebt": {
     "auth_ref": [
      "r58"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.",
        "label": "Secured Long-term Debt, Noncurrent",
        "verboseLabel": "Current borrowing capacity"
       }
      }
     },
     "localname": "SecuredLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureLongTermDebtAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue": {
     "auth_ref": [
      "r631",
      "r632"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.",
        "label": "Security Owned and Pledged as Collateral, Fair Value",
        "terseLabel": "Collateralized certificate of deposit",
        "totalLabel": "Security Owned and Pledged as Collateral, Fair Value, Total"
       }
      }
     },
     "localname": "SecurityOwnedAndPledgedAsCollateralFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SellingGeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r106"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.",
        "label": "Selling, General and Administrative Expense",
        "terseLabel": "Selling, general and administrative",
        "totalLabel": "Selling, General and Administrative Expense, Total"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SellingGeneralAndAdministrativeExpensesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption encompassing selling, general and administrative expense.",
        "label": "Selling, General and Administrative Expenses [Member]",
        "terseLabel": "Selling, General and Administrative"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpensesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r127"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of noncash expense for share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Noncash Expense",
        "terseLabel": "Stock compensation expense",
        "totalLabel": "Share-based Payment Arrangement, Noncash Expense, Total"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-based Payment Arrangement, Noncash Expense [Abstract]"
       }
      }
     },
     "localname": "ShareBasedCompensationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r460"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
        "terseLabel": "Options vesting period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": {
     "auth_ref": [
      "r471"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period",
        "negatedLabel": "Forfeited"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r476"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value",
        "terseLabel": "Forfeited"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r474"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r474"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value",
        "verboseLabel": "Granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": {
     "auth_ref": [
      "r473"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number",
        "periodEndLabel": "Non-vested, Ending Balance",
        "periodStartLabel": "Non-vested, Beginning Balance",
        "terseLabel": "Restricted stock unit awards outstanding"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]",
        "terseLabel": "Number of Shares"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r473"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value",
        "periodEndLabel": "Non-vested, Ending Balance",
        "periodStartLabel": "Non-vested, Beginning Balance"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]",
        "terseLabel": "Weighted-Average Grant-Date Fair Value Per Share"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
     "auth_ref": [
      "r475"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period",
        "negatedLabel": "Vested",
        "terseLabel": "Share vested"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue": {
     "auth_ref": [
      "r478"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value",
        "terseLabel": "Total fair value of restricted stock units"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r475"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value",
        "terseLabel": "Vested"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": {
     "auth_ref": [
      "r485"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate",
        "terseLabel": "Expected dividend yield"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": {
     "auth_ref": [
      "r484"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate",
        "terseLabel": "Expected Volatility"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": {
     "auth_ref": [
      "r486"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate",
        "terseLabel": "Risk-free interest rate"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
        "terseLabel": "Share Based Compensation Arrangement By Share Based Payment Award [Line Items]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of additional shares authorized for issuance under share-based payment arrangement.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized",
        "terseLabel": "Newly reserved shares of common stock"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": {
     "auth_ref": [
      "r462"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares authorized for issuance under share-based payment arrangement.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized",
        "terseLabel": "Shares reserved and approved for issuance"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": {
     "auth_ref": [
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant",
        "terseLabel": "Shares remaining available for future purchases"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": {
     "auth_ref": [
      "r469"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number",
        "terseLabel": "Exercisable at December 31, 2021"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": {
     "auth_ref": [
      "r469"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price",
        "terseLabel": "Exercisable at December 31, 2021"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": {
     "auth_ref": [
      "r478"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value",
        "terseLabel": "Total intrinsic value of options exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod": {
     "auth_ref": [
      "r472"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period",
        "negatedLabel": "Options cancelled"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": {
     "auth_ref": [
      "r471"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period",
        "negatedLabel": "Options cancelled"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gross number of share options (or share units) granted during the period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross",
        "terseLabel": "Options granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r477"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value",
        "terseLabel": "Weighted-average fair value"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": {
     "auth_ref": [
      "r492"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value",
        "terseLabel": "Balance at December 31, 2021"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
     "auth_ref": [
      "r468",
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of options outstanding, including both vested and non-vested options.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "terseLabel": "Outstanding stock awards granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]",
        "terseLabel": "Shares Underlying Outstanding Options"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": {
     "auth_ref": [
      "r467"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]",
        "terseLabel": "Weighted-Average Exercise Price Per Share"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice": {
     "auth_ref": [
      "r481"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price",
        "terseLabel": "Vested and expected to vest at December 31, 2021"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue": {
     "auth_ref": [
      "r479"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value",
        "terseLabel": "Vested and expected to vest at December 31, 2021"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": {
     "auth_ref": [
      "r480"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number",
        "terseLabel": "Vested and expected to vest at December 31, 2021"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r457",
      "r463"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Award under share-based payment arrangement.",
        "label": "Award Type [Domain]",
        "terseLabel": "Award Type"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureEquityPlansAndStockbasedCompensationSummaryOfPerformanceBasedRestrictedStockUnitDetails",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationSummaryOfNonVestedRestrictedStockUnitsActivityDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price",
        "terseLabel": "Options exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price",
        "terseLabel": "Options cancelled"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price",
        "terseLabel": "Options cancelled"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.",
        "label": "Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price",
        "terseLabel": "Options granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationAwardTrancheOneMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "First portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
        "label": "Share-based Payment Arrangement, Tranche One [Member]",
        "terseLabel": "The commencement of the offer period (generally, the sixteenth day in February or August)"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheOneMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationAwardTrancheTwoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Second portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
        "label": "Share-based Payment Arrangement, Tranche Two [Member]",
        "terseLabel": "The exercise date, which is the last day of a purchase period (generally, the fifteenth day in February or August)"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheTwoMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": {
     "auth_ref": [
      "r459",
      "r464"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.",
        "label": "Share-based Payment Arrangement [Policy Text Block]",
        "terseLabel": "Stock-Based Compensation"
       }
      }
     },
     "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1": {
     "auth_ref": [
      "r488"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cost expensed and capitalized for award under share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Expensed and Capitalized, Amount",
        "totalLabel": "Share-based Payment Arrangement, Expensed and Capitalized, Amount, Total",
        "verboseLabel": "Employees and directors stock-based compensation expense"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationStockBasedCompensationExpenseDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested",
        "terseLabel": "Aggregate intrinsic value"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": {
     "auth_ref": [
      "r461"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period",
        "terseLabel": "Expiration period"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": {
     "auth_ref": [
      "r483",
      "r497"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term",
        "terseLabel": "Expected life (in years)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": {
     "auth_ref": [
      "r492"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value",
        "terseLabel": "Exercisable at December 31, 2021"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": {
     "auth_ref": [
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term",
        "terseLabel": "Exercisable at December 31, 2021"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": {
     "auth_ref": [
      "r480"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term",
        "terseLabel": "Balance at December 31, 2021"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1": {
     "auth_ref": [
      "r480"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term",
        "terseLabel": "Vested and expected to vest at December 31, 2021"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1": {
     "auth_ref": [
      "r465"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value",
        "terseLabel": "Total fair value of stock options vested"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Purchase price of common stock expressed as a percentage of its fair value.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent",
        "terseLabel": "Purchase price per share as percentage of fair market value of common stock"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_SharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued which are neither cancelled nor held in the treasury.",
        "label": "Shares, Outstanding",
        "periodEndLabel": "Ending Balances (in shares)",
        "periodStartLabel": "Beginning Balances (in shares)"
       }
      }
     },
     "localname": "SharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r136",
      "r157"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.",
        "label": "Significant Accounting Policies [Text Block]",
        "terseLabel": "Summary of Significant Accounting Policies"
       }
      }
     },
     "localname": "SignificantAccountingPoliciesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [
      "r24",
      "r25",
      "r26",
      "r140",
      "r143",
      "r174",
      "r178",
      "r183",
      "r187",
      "r191",
      "r200",
      "r201",
      "r202",
      "r255",
      "r322",
      "r326",
      "r327",
      "r328",
      "r331",
      "r332",
      "r375",
      "r376",
      "r380",
      "r384",
      "r391",
      "r577",
      "r738"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by the different classes of stock of the entity.",
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock"
       }
      }
     },
     "localname": "StatementClassOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r0",
      "r64",
      "r91",
      "r92",
      "r93",
      "r158",
      "r159",
      "r160",
      "r162",
      "r168",
      "r170",
      "r199",
      "r256",
      "r391",
      "r399",
      "r493",
      "r494",
      "r495",
      "r534",
      "r535",
      "r560",
      "r581",
      "r582",
      "r583",
      "r584",
      "r585",
      "r587",
      "r686",
      "r687",
      "r688",
      "r741"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Comprehensive Income [Abstract]"
       }
      }
     },
     "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "localname": "StatementOfStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [
      "r158",
      "r159",
      "r160",
      "r199",
      "r636"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionTables",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities": {
     "auth_ref": [
      "r63",
      "r351",
      "r391",
      "r392",
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued during the period as a result of the conversion of convertible securities.",
        "label": "Stock Issued During Period, Shares, Conversion of Convertible Securities",
        "terseLabel": "Stock Issued During Period, Shares, Conversion of Convertible Securities"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans": {
     "auth_ref": [
      "r25",
      "r26",
      "r391",
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares issued during the period as a result of an employee stock purchase plan.",
        "label": "Stock Issued During Period, Shares, Employee Stock Purchase Plans",
        "terseLabel": "Issuance of common stock under Employee Stock Purchase Plan (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesNewIssues": {
     "auth_ref": [
      "r25",
      "r26",
      "r391",
      "r399"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of new stock issued during the period.",
        "label": "Stock Issued During Period, Shares, New Issues",
        "terseLabel": "Issuance of common stock and preferred stock, net of issuance costs (in shares)",
        "verboseLabel": "Issuance of common stock and preferred stock (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": {
     "auth_ref": [
      "r25",
      "r26",
      "r391",
      "r399",
      "r470"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of share options (or share units) exercised during the current period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
        "negatedLabel": "Options exercised"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationOptionActivityUnderStockBasedCompensationPlansDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities": {
     "auth_ref": [
      "r64",
      "r391",
      "r399"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The gross value of stock issued during the period upon the conversion of convertible securities.",
        "label": "Stock Issued During Period, Value, Conversion of Convertible Securities",
        "terseLabel": "Conversion of Preferred Stock"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueConversionOfConvertibleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan": {
     "auth_ref": [
      "r25",
      "r26",
      "r391",
      "r399"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.",
        "label": "Stock Issued During Period, Value, Employee Stock Purchase Plan",
        "terseLabel": "Issuance of common stock under Employee Stock Purchase Plan"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueEmployeeStockPurchasePlan",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueNewIssues": {
     "auth_ref": [
      "r25",
      "r26",
      "r391",
      "r399"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.",
        "label": "Stock Issued During Period, Value, New Issues",
        "terseLabel": "Issuance of common stock and preferred stock, net of issuance costs"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r26",
      "r32",
      "r33",
      "r143",
      "r239",
      "r255",
      "r577",
      "r617"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/StatementConsolidatedBalanceSheets2": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.",
        "label": "Stockholders' Equity Attributable to Parent",
        "periodEndLabel": "Ending Balances",
        "periodStartLabel": "Beginning Balances",
        "totalLabel": "Total stockholders\u2019 equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "terseLabel": "Stockholders\u2019 equity:"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "auth_ref": [
      "r141",
      "r376",
      "r379",
      "r380",
      "r381",
      "r382",
      "r383",
      "r384",
      "r385",
      "r386",
      "r387",
      "r388",
      "r390",
      "r399",
      "r401"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.",
        "label": "Stockholders' Equity Note Disclosure [Text Block]",
        "terseLabel": "Common Stock"
       }
      }
     },
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStock"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubleaseIncome": {
     "auth_ref": [
      "r603",
      "r610"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of sublease income excluding finance and operating lease expense.",
        "label": "Sublease Income",
        "terseLabel": "Sublease income"
       }
      }
     },
     "localname": "SubleaseIncome",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SubsequentEventLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.",
        "label": "Subsequent Event [Line Items]",
        "terseLabel": "Subsequent Event [Line Items]"
       }
      }
     },
     "localname": "SubsequentEventLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [
      "r588",
      "r619"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event [Member]",
        "terseLabel": "Subsequent Event"
       }
      }
     },
     "localname": "SubsequentEventMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTable": {
     "auth_ref": [
      "r588",
      "r619"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.",
        "label": "Subsequent Event [Table]",
        "terseLabel": "Subsequent Event [Table]"
       }
      }
     },
     "localname": "SubsequentEventTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r588",
      "r619"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Axis]",
        "terseLabel": "Subsequent Event Type"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r588",
      "r619"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Domain]",
        "terseLabel": "Subsequent Event Type"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsequent Events [Abstract]"
       }
      }
     },
     "localname": "SubsequentEventsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "auth_ref": [
      "r618",
      "r620"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.",
        "label": "Subsequent Events [Text Block]",
        "terseLabel": "Subsequent Event"
       }
      }
     },
     "localname": "SubsequentEventsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEvent"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubsidiarySaleOfStockAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of sale of the entity's stock.",
        "label": "Sale of Stock [Axis]",
        "terseLabel": "Sale of Stock"
       }
      }
     },
     "localname": "SubsidiarySaleOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationFairValueBasedMeasurementsAndWeightedAverageAssumptionsDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental disclosure of cash flow information"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SuretyBondMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "An obligation arising from a three-party agreement that legally binds together a principal who needs the bond, an obligee who requires the bond and a surety company that sells the bond.",
        "label": "Surety Bond [Member]",
        "terseLabel": "Surety Bond"
       }
      }
     },
     "localname": "SuretyBondMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TaxCreditCarryforwardAmount": {
     "auth_ref": [
      "r526"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
        "label": "Tax Credit Carryforward, Amount",
        "terseLabel": "Tax credit carryforward amount"
       }
      }
     },
     "localname": "TaxCreditCarryforwardAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TaxCreditCarryforwardAxis": {
     "auth_ref": [
      "r527"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by specific tax credit related to an unused tax credit.",
        "label": "Tax Credit Carryforward [Axis]",
        "terseLabel": "Tax Credit Carryforward"
       }
      }
     },
     "localname": "TaxCreditCarryforwardAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TaxCreditCarryforwardNameDomain": {
     "auth_ref": [
      "r527"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The name of the tax credit carryforward.",
        "label": "Tax Credit Carryforward, Name [Domain]",
        "terseLabel": "Tax Credit Carryforward, Name"
       }
      }
     },
     "localname": "TaxCreditCarryforwardNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TradeAccountsReceivableMember": {
     "auth_ref": [
      "r65"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount due from customers or clients for goods or services  that have been delivered or sold in the normal course of business.",
        "label": "Trade Accounts Receivable [Member]"
       }
      }
     },
     "localname": "TradeAccountsReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedBalanceSheets"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TypeOfArrangementAxis": {
     "auth_ref": [
      "r549"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.",
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Axis]",
        "terseLabel": "Collaborative Arrangement and Arrangement Other than Collaborative"
       }
      }
     },
     "localname": "TypeOfArrangementAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCollaborativeResearchDevelopmentAndLicenseAgreementsAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIntangibleAssetsNetAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSubsequentEventAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TypeOfRestructuringDomain": {
     "auth_ref": [
      "r285",
      "r286",
      "r297",
      "r298"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identification of the types of restructuring costs.",
        "label": "Type of Restructuring [Domain]",
        "terseLabel": "Type of Restructuring"
       }
      }
     },
     "localname": "TypeOfRestructuringDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfComponentsOfRestructuringLiabilitiesDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRestructuringScheduleOfMajorComponentsOfRestructuringCostsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USGovernmentAgenciesDebtSecuritiesMember": {
     "auth_ref": [
      "r148",
      "r432",
      "r656"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debentures, notes, and other debt securities issued by US government agencies, for example, but not limited to, Government National Mortgage Association (GNMA or Ginnie Mae). Excludes US treasury securities and debt issued by government-sponsored Enterprises (GSEs), for example, but is not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB).",
        "label": "US Government Agencies Debt Securities [Member]",
        "terseLabel": "U.S. Government Agency Securities"
       }
      }
     },
     "localname": "USGovernmentAgenciesDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USTreasurySecuritiesMember": {
     "auth_ref": [
      "r148",
      "r432",
      "r448",
      "r656"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This category includes information about debt securities issued by the United States Department of the Treasury and backed by the United States government. Such securities primarily consist of treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years).",
        "label": "US Treasury Securities [Member]",
        "terseLabel": "U.S. Treasuries"
       }
      }
     },
     "localname": "USTreasurySecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCashCashEquivalentsRestrictedCashAndMarketableSecuritiesSummaryOfCashCashEquivalentsAndMarketableSecuritiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic": {
     "auth_ref": [
      "r185",
      "r188",
      "r189"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.",
        "label": "Undistributed Earnings (Loss) Allocated to Participating Securities, Basic",
        "terseLabel": "Less: undistributed earnings allocated to participating securities",
        "totalLabel": "Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total",
        "verboseLabel": "Undistributed earnings allocated to participating securities"
       }
      }
     },
     "localname": "UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefits": {
     "auth_ref": [
      "r503",
      "r512"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of unrecognized tax benefits.",
        "label": "Unrecognized Tax Benefits",
        "negatedPeriodEndLabel": "Balance at December 31, 2021",
        "negatedPeriodStartLabel": "Balance at December 31, 2020",
        "periodEndLabel": "Unrecognized Tax Benefits, Ending Balance",
        "periodStartLabel": "Unrecognized Tax Benefits, Beginning Balance",
        "terseLabel": "Unrecognized tax benefits"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefits",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions": {
     "auth_ref": [
      "r514"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.",
        "label": "Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions",
        "terseLabel": "Tax positions related to the current year, Reductions"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions": {
     "auth_ref": [
      "r513"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.",
        "label": "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions",
        "terseLabel": "Tax positions related to the prior year, Reductions"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense": {
     "auth_ref": [
      "r510"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return.",
        "label": "Unrecognized Tax Benefits, Income Tax Penalties Expense",
        "terseLabel": "Penalties related to unrecognized tax benefits"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": {
     "auth_ref": [
      "r514"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.",
        "label": "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions",
        "negatedLabel": "Tax positions related to the current year, Additions"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions": {
     "auth_ref": [
      "r513"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.",
        "label": "Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions",
        "negatedLabel": "Tax positions related to the prior year, Additions"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities": {
     "auth_ref": [
      "r515"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in unrecognized tax benefits resulting from settlements with taxing authorities.",
        "label": "Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities",
        "terseLabel": "Tax positions related to the prior year, Settlements"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense": {
     "auth_ref": [
      "r510"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of interest expense for an underpayment of income taxes.",
        "label": "Unrecognized Tax Benefits, Interest on Income Taxes Expense",
        "terseLabel": "Interest related to unrecognized tax benefits"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations": {
     "auth_ref": [
      "r516"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.",
        "label": "Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations",
        "terseLabel": "Tax positions related to the prior year, Lapses in statute"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureScheduleOfUnrecognizedTaxBenefitsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate": {
     "auth_ref": [
      "r517"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.",
        "label": "Unrecognized Tax Benefits that Would Impact Effective Tax Rate",
        "terseLabel": "Unrecognized tax benefits would affect the effective tax rate"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UseOfEstimates": {
     "auth_ref": [
      "r203",
      "r204",
      "r206",
      "r207",
      "r213",
      "r214",
      "r215"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "terseLabel": "Use of Estimates"
       }
      }
     },
     "localname": "UseOfEstimates",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount": {
     "auth_ref": [
      "r523"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.",
        "label": "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount",
        "terseLabel": "Increase (decrease) in valuation allowance"
       }
      }
     },
     "localname": "ValuationAllowanceDeferredTaxAssetChangeInAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ValuationAllowancesAndReservesDomain": {
     "auth_ref": [
      "r152",
      "r153",
      "r154",
      "r155",
      "r156"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Valuation and qualifying accounts and reserves.",
        "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]",
        "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves"
       }
      }
     },
     "localname": "ValuationAllowancesAndReservesDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ValuationAllowancesAndReservesTypeAxis": {
     "auth_ref": [
      "r152",
      "r153",
      "r154",
      "r155",
      "r156"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by valuation and qualifying accounts and reserves.",
        "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]",
        "terseLabel": "SEC Schedule, 12-09, Valuation Allowances and Reserves Type"
       }
      }
     },
     "localname": "ValuationAllowancesAndReservesTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureRevenueRecognitionSummaryOfProductRevenueAllowanceAndReserveCategoriesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VestingAxis": {
     "auth_ref": [
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Axis]",
        "terseLabel": "Vesting"
       }
      }
     },
     "localname": "VestingAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VestingDomain": {
     "auth_ref": [
      "r492"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Domain]",
        "terseLabel": "Vesting"
       }
      }
     },
     "localname": "VestingDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureEquityPlansAndStockBasedCompensationAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WarrantMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount.",
        "label": "Warrant [Member]",
        "terseLabel": "Warrants",
        "verboseLabel": "Warrant Liability"
       }
      }
     },
     "localname": "WarrantMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsFairValueHierarchyForFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureCommonStockSummaryOfCommonStockWarrantsOutstandingDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureOutstandingStockOptionsAndStockAwardsExcludedFromCalculationOfNetLossPerShareDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WarrantsAndRightsOutstandingTerm": {
     "auth_ref": [
      "r568"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Warrants and Rights Outstanding, Term",
        "terseLabel": "Expected term"
       }
      }
     },
     "localname": "WarrantsAndRightsOutstandingTerm",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssumptionsToEstimateTheFairValueOfWarrantLiabilityDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r173",
      "r191"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Weighted average shares used to compute diluted net loss per share allocable to common stockholders",
        "totalLabel": "Weighted average shares used to compute net loss allocable to common stockholders per share, diluted"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r171",
      "r191"
     ],
     "calculation": {
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail": {
       "order": 0.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Weighted average shares used to compute basic net loss per share allocable to common stockholders",
        "totalLabel": "Weighted Average Number of Shares Outstanding, Basic, Total"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.dynavax.com/20211231/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedNetLossPerShareDetail",
      "http://www.dynavax.com/20211231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 9
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "105",
   "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(24))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(25))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(8))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(2))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7(b))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.8)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.9)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6904-107765"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "8",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3151-108585"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6911-107765"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6935-107765"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18726-107790"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18823-107790"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(c))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6935-107765"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(d))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(e)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(g)(1)(ii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h)(1)(Note 1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h)(2))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(1)(ii)(A))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(1)(iii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e7018-107765"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(2)(ii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09(Column B))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09(Column C(1)))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09(Column C(2)))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09(Column D))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09(Column E))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1377-109256"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1505-109256"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1252-109256"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1707-109256"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1757-109256"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "26",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1828-109256"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(13))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "55",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2626-109256"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "65",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2793-109256"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "66",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2814-109256"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(14))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1337-109256"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e3842-109258"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "http://asc.fasb.org/topic&trid=2144383"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=124437754&loc=d3e543-108305"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "http://asc.fasb.org/topic&trid=2122149"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(17))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "42",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(27))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=124260329&loc=d3e26626-111562"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(aa)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27198-111563"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27340-111563"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=SL6284393-111563"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.BB)",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.BB)",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "330",
   "URI": "http://asc.fasb.org/topic&trid=2126998"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "((a)(1),(b))",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "350",
   "URI": "http://asc.fasb.org/topic&trid=2144416"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "360",
   "URI": "http://asc.fasb.org/topic&trid=2155823"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.P.3)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.3)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.P.4(b)(2))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.P.4)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(a))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(b)(1))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(b)(2))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(c))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(d))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(e))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "420",
   "URI": "http://asc.fasb.org/topic&trid=2175745"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14394-108349"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14453-108349"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14472-108349"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=124440162&loc=d3e12053-110248"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123465755&loc=SL6230698-112601"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(i))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(ii))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iv))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(5))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(i))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iv))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(5))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(i)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(5))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69B",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69C",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69E",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "40",
   "SubTopic": "50",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123467658&loc=d3e12317-112629"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "40",
   "SubTopic": "50",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(CFRR 211.02)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21553-112644"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a)(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
  },
  "r385": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
  },
  "r386": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644"
  },
  "r387": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r388": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r389": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r390": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r391": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644"
  },
  "r392": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21484-112644"
  },
  "r394": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21488-112644"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644"
  },
  "r396": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644"
  },
  "r398": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644"
  },
  "r399": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r400": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "50",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775"
  },
  "r401": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "505",
   "URI": "http://asc.fasb.org/topic&trid=2208762"
  },
  "r402": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044"
  },
  "r403": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044"
  },
  "r404": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045"
  },
  "r405": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
  },
  "r406": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
  },
  "r407": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
  },
  "r408": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
  },
  "r409": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(c))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r410": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045"
  },
  "r411": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045"
  },
  "r412": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130561-203045"
  },
  "r413": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130563-203045"
  },
  "r414": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130563-203045"
  },
  "r415": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130564-203045"
  },
  "r416": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
  },
  "r417": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
  },
  "r418": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
  },
  "r419": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130566-203045"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(7))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r420": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045"
  },
  "r421": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045"
  },
  "r422": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045"
  },
  "r423": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045"
  },
  "r424": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r425": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r426": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r427": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "606",
   "URI": "http://asc.fasb.org/topic&trid=49130388"
  },
  "r428": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363"
  },
  "r429": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409961&loc=d3e20517-108367"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(8))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r430": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r431": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(i)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r432": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r433": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r434": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(01)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r435": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r436": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(A)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r437": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(B)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r438": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(C)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r439": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(03)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r440": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(l)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r441": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(n)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r442": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(o)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r443": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(p)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r444": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(q)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r445": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(r)(1)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r446": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(r)(2)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r447": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920"
  },
  "r448": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921"
  },
  "r449": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.13(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r450": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=21916913&loc=d3e273930-122802"
  },
  "r451": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "60",
   "Subparagraph": "(c)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=6414203&loc=d3e39689-114964"
  },
  "r452": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "70",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942"
  },
  "r453": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(d)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
  },
  "r454": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "80",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948"
  },
  "r455": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "715",
   "URI": "http://asc.fasb.org/topic&trid=2235017"
  },
  "r456": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=123468992&loc=d3e4534-113899"
  },
  "r457": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
  },
  "r458": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
  },
  "r459": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.13)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r460": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r461": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r462": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r463": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r464": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b),(f)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r465": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r466": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r467": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r468": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(i)-(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r469": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.14)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r470": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r471": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r472": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(4)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r473": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(i)-(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r474": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r475": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r476": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r477": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r478": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r479": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r480": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r481": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r482": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r483": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r484": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r485": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(iii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r486": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(iv)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r487": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r488": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r489": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r490": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r491": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r492": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901"
  },
  "r493": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r494": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r495": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r496": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(g)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r497": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.D.2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809"
  },
  "r498": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.F)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809"
  },
  "r499": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=122142933&loc=d3e11149-113907"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r500": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=122142933&loc=d3e11178-113907"
  },
  "r501": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "http://asc.fasb.org/topic&trid=2228938"
  },
  "r502": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "730",
   "URI": "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373"
  },
  "r503": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318"
  },
  "r504": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=d3e32247-109318"
  },
  "r505": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=d3e32280-109318"
  },
  "r506": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123427490&loc=d3e31931-109318"
  },
  "r507": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319"
  },
  "r508": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319"
  },
  "r509": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r510": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319"
  },
  "r511": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319"
  },
  "r512": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r513": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r514": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r515": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r516": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(4)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r517": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r518": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319"
  },
  "r519": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.20)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r520": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319"
  },
  "r521": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
  },
  "r522": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
  },
  "r523": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319"
  },
  "r524": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32847-109319"
  },
  "r525": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319"
  },
  "r526": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319"
  },
  "r527": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319"
  },
  "r528": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319"
  },
  "r529": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.21)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r530": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319"
  },
  "r531": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319"
  },
  "r532": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319"
  },
  "r533": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "217",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=124434304&loc=d3e36027-109320"
  },
  "r534": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
  },
  "r535": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(3)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
  },
  "r536": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I.5.Q1)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r537": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I.7)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r538": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.7)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r539": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.Fact.1)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r540": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.Fact.2)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r541": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.Fact.3)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r542": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.C)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817"
  },
  "r543": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324"
  },
  "r544": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "270",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338"
  },
  "r545": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
  },
  "r546": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "740",
   "URI": "http://asc.fasb.org/topic&trid=2144680"
  },
  "r547": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "808",
   "URI": "http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434"
  },
  "r548": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "808",
   "URI": "http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434"
  },
  "r549": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "808",
   "URI": "http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(2))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r550": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "808",
   "URI": "http://asc.fasb.org/topic&trid=5833765"
  },
  "r551": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r552": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r553": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r554": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
  },
  "r555": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
  },
  "r556": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "810",
   "URI": "http://asc.fasb.org/topic&trid=2197479"
  },
  "r557": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
  },
  "r558": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r559": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(5))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r560": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)(3)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
  },
  "r561": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)(4)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
  },
  "r562": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
  },
  "r563": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r564": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r565": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r566": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r567": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(1)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r568": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r569": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r570": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r571": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258"
  },
  "r572": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=SL6742756-110258"
  },
  "r573": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594809&loc=SL116692626-108610"
  },
  "r574": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611"
  },
  "r575": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611"
  },
  "r576": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611"
  },
  "r577": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612"
  },
  "r578": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=125521441&loc=d3e30690-110894"
  },
  "r579": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=124440516&loc=d3e30840-110895"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r580": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906"
  },
  "r581": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900"
  },
  "r582": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r583": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r584": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r585": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r586": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r587": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
  },
  "r588": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901"
  },
  "r589": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "830",
   "URI": "http://asc.fasb.org/topic&trid=2175825"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r590": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r591": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399"
  },
  "r592": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399"
  },
  "r593": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399"
  },
  "r594": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629"
  },
  "r595": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
  },
  "r596": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977"
  },
  "r597": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977"
  },
  "r598": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977"
  },
  "r599": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r600": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977"
  },
  "r601": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918666-209980"
  },
  "r602": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980"
  },
  "r603": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
  },
  "r604": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(1)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
  },
  "r605": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(2)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
  },
  "r606": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
  },
  "r607": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(4)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
  },
  "r608": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980"
  },
  "r609": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.28,29)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r610": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "53",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971"
  },
  "r611": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r612": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r613": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r614": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=124437977&loc=d3e55792-112764"
  },
  "r615": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
  },
  "r616": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
  },
  "r617": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766"
  },
  "r618": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r619": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r620": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "855",
   "URI": "http://asc.fasb.org/topic&trid=2122774"
  },
  "r621": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r622": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r623": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r624": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r625": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r626": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r627": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r628": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r629": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-30)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r630": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719"
  },
  "r631": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728"
  },
  "r632": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(1)(i)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729"
  },
  "r633": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "910",
   "URI": "http://asc.fasb.org/extlink&oid=123353855&loc=SL119991595-234733"
  },
  "r634": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "330",
   "Topic": "912",
   "URI": "http://asc.fasb.org/extlink&oid=6471895&loc=d3e55923-109411"
  },
  "r635": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "730",
   "Topic": "912",
   "URI": "http://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433"
  },
  "r636": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.L)",
   "Topic": "924",
   "URI": "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856"
  },
  "r637": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "926",
   "URI": "http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959"
  },
  "r638": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "340",
   "Topic": "928",
   "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004"
  },
  "r639": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "940",
   "URI": "http://asc.fasb.org/extlink&oid=123384075&loc=d3e41242-110953"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r640": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10)(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r641": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r642": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r643": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r644": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r645": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(6))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r646": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(7))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r647": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878"
  },
  "r648": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(15))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r649": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3(a)(1),(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r650": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r651": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(26))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r652": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(27))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r653": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.8)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r654": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r655": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "235",
   "Subparagraph": "(SX 210.9-05(b)(2))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884"
  },
  "r656": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(b)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62557-112803"
  },
  "r657": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=d3e62586-112803"
  },
  "r658": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(a)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803"
  },
  "r659": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(b)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3,4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r660": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599081&loc=SL120269850-112803"
  },
  "r661": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630"
  },
  "r662": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Subparagraph": "e",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
  },
  "r663": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
  },
  "r664": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "825",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123345438&loc=d3e61044-112788"
  },
  "r665": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r666": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r667": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16)(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r668": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r669": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a)(3),(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r670": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r671": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r672": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r673": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r674": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r675": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(22))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r676": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(23))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r677": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(3)(b))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r678": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r679": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(9))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r680": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
  },
  "r681": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(d)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439"
  },
  "r682": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441"
  },
  "r683": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441"
  },
  "r684": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(c)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441"
  },
  "r685": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117819544-158441"
  },
  "r686": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r687": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(1)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r688": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(2)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r689": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(i)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r690": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(ii)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r691": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(h)(2)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r692": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124508989&loc=d3e19393-158473"
  },
  "r693": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "825",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=123600520&loc=SL75241803-196195"
  },
  "r694": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.6-04(13))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996"
  },
  "r695": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column B)(Footnote 1))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r696": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column B)(Footnote 6))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r697": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column B)(Footnote 7))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r698": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 1))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r699": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 6))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r700": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 7))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r701": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column D)(Footnote 1))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r702": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column D)(Footnote 6))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r703": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12B(Column D)(Footnote 7))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010"
  },
  "r704": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5D",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-13D(Column B)(Footnote 2))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010"
  },
  "r705": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5D",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-13D(Column C)(Footnote 2))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=SL120429264-123010"
  },
  "r706": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15(Column A))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611379-123010"
  },
  "r707": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15(Column B))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611379-123010"
  },
  "r708": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15(Column C))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611379-123010"
  },
  "r709": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15(Column D))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=122147990&loc=d3e611379-123010"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.9)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r710": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 4))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014"
  },
  "r711": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "210",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=120413173&loc=SL116631458-115580"
  },
  "r712": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=123364037&loc=d3e3115-115594"
  },
  "r713": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "440",
   "Subparagraph": "(a)",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629"
  },
  "r714": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Subparagraph": "(d)",
   "Topic": "958",
   "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916"
  },
  "r715": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "958",
   "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916"
  },
  "r716": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "958",
   "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916"
  },
  "r717": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column B))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r718": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column C))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r719": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column D))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r720": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column E))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r721": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column F))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r722": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column G))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r723": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column H))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r724": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column I))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r725": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 2))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r726": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 4))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r727": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Subparagraph": "(c)",
   "Topic": "976",
   "URI": "http://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663"
  },
  "r728": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Subparagraph": "(b)",
   "Topic": "978",
   "URI": "http://asc.fasb.org/extlink&oid=123360121&loc=d3e27327-108691"
  },
  "r729": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "985",
   "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313"
  },
  "r730": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r731": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r732": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-23"
  },
  "r733": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r734": {
   "Name": "Form 10-K",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "310"
  },
  "r735": {
   "Name": "Form 20-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "220",
   "Subsection": "f"
  },
  "r736": {
   "Name": "Form 40-F",
   "Number": "249",
   "Publisher": "SEC",
   "Section": "240",
   "Subsection": "f"
  },
  "r737": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1"
  },
  "r738": {
   "Name": "Regulation S-K (SK)",
   "Number": "229",
   "Paragraph": "(a)",
   "Publisher": "SEC",
   "Section": "1402"
  },
  "r739": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226049-175313"
  },
  "r740": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r741": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)(iii)(03)",
   "Topic": "848"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6801-107765"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e681-108580"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e689-108580"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL34724391-108580"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e557-108580"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL116659661-227067"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124507222&loc=d3e1436-108581"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(210.5-03(11))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(10))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(2)(a))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(2)(d))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  }
 },
 "version": "2.1"
}
