{
 "instance": {
  "casa-20220630.htm": {
   "axisCustom": 0,
   "axisStandard": 31,
   "contextCount": 314,
   "dts": {
    "calculationLink": {
     "local": [
      "casa-20220630_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "casa-20220630_def.xml"
     ]
    },
    "inline": {
     "local": [
      "casa-20220630.htm"
     ]
    },
    "labelLink": {
     "local": [
      "casa-20220630_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "casa-20220630_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "casa-20220630.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/2022/elts/srt-2022.xsd",
      "https://xbrl.fasb.org/srt/2022/elts/srt-roles-2022.xsd",
      "https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd",
      "https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd",
      "https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd",
      "https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd",
      "https://xbrl.sec.gov/country/2022/country-2022.xsd",
      "https://xbrl.sec.gov/dei/2022/dei-2022.xsd"
     ]
    }
   },
   "elementCount": 582,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2022": 8,
    "http://www.casa-systems.com/20220630": 3,
    "http://xbrl.sec.gov/dei/2022": 4,
    "total": 15
   },
   "keyCustom": 41,
   "keyStandard": 296,
   "memberCustom": 39,
   "memberStandard": 56,
   "nsprefix": "casa",
   "nsuri": "http://www.casa-systems.com/20220630",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "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.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation",
     "shortName": "Document and Entity Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "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": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100090 - Disclosure - Goodwill and Intangible Assets",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssets",
     "shortName": "Goodwill and Intangible Assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100100 - Disclosure - Inventory",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventory",
     "shortName": "Inventory",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100110 - Disclosure - Property and Equipment",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipment",
     "shortName": "Property and Equipment",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100120 - Disclosure - Accrued Expenses and Other Current Liabilities",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilities",
     "shortName": "Accrued Expenses and Other Current Liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100130 - Disclosure - Fair Value Measurements",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurements",
     "shortName": "Fair Value Measurements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100140 - Disclosure - Income Taxes",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureIncomeTaxes",
     "shortName": "Income Taxes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100150 - Disclosure - Debt",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebt",
     "shortName": "Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100160 - Disclosure - Stockholders' Equity",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquity",
     "shortName": "Stockholders' Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100170 - Disclosure - Stock-based Compensation",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensation",
     "shortName": "Stock-based Compensation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100180 - Disclosure - Net (Loss) Income per Share",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShare",
     "shortName": "Net (Loss) Income per Share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited",
     "shortName": "CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:PrepaidExpenseAndOtherAssetsCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100190 - Disclosure - Revenue from Contracts with Customers",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomers",
     "shortName": "Revenue from Contracts with Customers",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100200 - Disclosure - Segment Information",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformation",
     "shortName": "Segment Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100210 - Disclosure - Related Parties",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedParties",
     "shortName": "Related Parties",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100220 - Disclosure - Commitments and Contingencies",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:UseOfEstimates",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100230 - Disclosure - Summary of Significant Accounting Policies (Policies)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies",
     "shortName": "Summary of Significant Accounting Policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:UseOfEstimates",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRestrictedCashAndCashEquivalentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100240 - Disclosure - Summary of Significant Accounting Policies (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesTables",
     "shortName": "Summary of Significant Accounting Policies (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRestrictedCashAndCashEquivalentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100250 - Disclosure - Goodwill and Intangible Assets (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables",
     "shortName": "Goodwill and Intangible Assets (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100260 - Disclosure - Inventory (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryTables",
     "shortName": "Inventory (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100270 - Disclosure - Property and Equipment (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentTables",
     "shortName": "Property and Equipment (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100280 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables",
     "shortName": "Accrued Expenses and Other Current Liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical",
     "shortName": "CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100290 - Disclosure - Fair Value Measurements (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsTables",
     "shortName": "Fair Value Measurements (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100300 - Disclosure - Debt (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtTables",
     "shortName": "Debt (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100310 - Disclosure - Stock-based Compensation (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables",
     "shortName": "Stock-based Compensation (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100320 - Disclosure - Net (Loss) Income per Share (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareTables",
     "shortName": "Net (Loss) Income per Share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100330 - Disclosure - Revenue from Contracts with Customers (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersTables",
     "shortName": "Revenue from Contracts with Customers (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100340 - Disclosure - Segment Information (Tables)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationTables",
     "shortName": "Segment Information (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRestrictedCashAndCashEquivalentsTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestrictedCashNoncurrent",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100350 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails",
     "shortName": "Summary of Significant Accounting Policies - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "us-gaap:ChangeInAccountingPrincipleAccountingStandardsUpdateEarlyAdoption",
       "span",
       "p",
       "us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": null,
      "lang": "en-US",
      "name": "us-gaap:ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100360 - Disclosure - Summary of Significant Accounting Policies - Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash in Accompanying Condensed Consolidated Balance Sheets (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails",
     "shortName": "Summary of Significant Accounting Policies - Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash in Accompanying Condensed Consolidated Balance Sheets (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRestrictedCashAndCashEquivalentsTextBlock",
       "div",
       "us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_fba710a9-47bc-4103-8b83-d1b11fcae436",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AccountsReceivableNetCurrent",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100370 - Disclosure - Summary of Significant Accounting Policies - Schedule of Accounts Receivable (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails",
     "shortName": "Summary of Significant Accounting Policies - Schedule of Accounts Receivable (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
       "div",
       "us-gaap:ReceivablesPolicyTextBlock",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AccountsReceivableNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:SchedulesOfConcentrationOfRiskByRiskFactorTextBlock",
       "div",
       "us-gaap:ConcentrationRiskCreditRisk",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_655a9c0c-da3b-4179-8866-6ca7e7b13718",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:ConcentrationRiskPercentage1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100380 - Disclosure - Summary of Significant Accounting Policies - Schedule of Significant Customers Represent 10% or More of Revenue or Accounts Receivable (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails",
     "shortName": "Summary of Significant Accounting Policies - Schedule of Significant Customers Represent 10% or More of Revenue or Accounts Receivable (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:SchedulesOfConcentrationOfRiskByRiskFactorTextBlock",
       "div",
       "us-gaap:ConcentrationRiskCreditRisk",
       "div",
       "us-gaap:SignificantAccountingPoliciesTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_655a9c0c-da3b-4179-8866-6ca7e7b13718",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:ConcentrationRiskPercentage1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (Unaudited)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CostOfGoodsAndServicesSold",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100390 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails",
     "shortName": "Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100400 - Disclosure - Goodwill and Intangible Assets - Schedule of Amortization Expense on Existing Intangible Assets (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails",
     "shortName": "Goodwill and Intangible Assets - Schedule of Amortization Expense on Existing Intangible Assets (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock",
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AmortizationOfIntangibleAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100410 - Disclosure - Goodwill and Intangible Assets - Summary of Amortization Expense (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails",
     "shortName": "Goodwill and Intangible Assets - Summary of Amortization Expense (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock",
       "div",
       "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AmortizationOfIntangibleAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:Goodwill",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100420 - Disclosure - Goodwill and Intangible Assets - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsAdditionalInformationDetails",
     "shortName": "Goodwill and Intangible Assets - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryRawMaterialsNetOfReserves",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100430 - Disclosure - Inventory - Schedule of Inventory (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails",
     "shortName": "Inventory - Schedule of Inventory (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "us-gaap:InventoryDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryRawMaterialsNetOfReserves",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:ChangeInProvisionForExcessAndObsoleteInventory",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100440 - Disclosure - Inventory - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureInventoryAdditionalInformationDetails",
     "shortName": "Inventory - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100450 - Disclosure - Property and Equipment - Summary of Components of Property and Equipment (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails",
     "shortName": "Property and Equipment - Summary of Components of Property and Equipment (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "div",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:DepreciationAndAmortizationExpenseOnPropertyAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100460 - Disclosure - Property and Equipment - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails",
     "shortName": "Property and Equipment - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:DepreciationAndAmortizationExpenseOnPropertyAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:EmployeeRelatedLiabilitiesCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100470 - Disclosure - Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails",
     "shortName": "Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:EmployeeRelatedLiabilitiesCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StandardProductWarrantyDescription",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100480 - Disclosure - Accrued Expenses and Other Current Liabilities - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails",
     "shortName": "Accrued Expenses and Other Current Liabilities - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StandardProductWarrantyDescription",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "link:footnote",
       "p",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromRelatedParties",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (Unaudited) (Parenthetical)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveLossIncomeUnauditedParenthetical",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (Unaudited) (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfProductWarrantyLiabilityTableTextBlock",
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5e95f336-790f-4f60-9f06-1fedd1f21a90",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProductWarrantyAccrual",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100490 - Disclosure - Accrued Expenses and Other Current Liabilities - Summary of Changes in Amount Reserved for Warranty Costs (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesSummaryOfChangesInAmountReservedForWarrantyCostsDetails",
     "shortName": "Accrued Expenses and Other Current Liabilities - Summary of Changes in Amount Reserved for Warranty Costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfProductWarrantyLiabilityTableTextBlock",
       "div",
       "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5e95f336-790f-4f60-9f06-1fedd1f21a90",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProductWarrantyAccrual",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AssetsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100500 - Disclosure - Fair Value Measurements - Fair Value of Financial Assets and Liabilities (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
     "shortName": "Fair Value Measurements - Fair Value of Financial Assets and Liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AssetsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "casa:FairValueAssetsTransfersAmountLevel1ToLevel2",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100510 - Disclosure - Fair Value Measurements - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails",
     "shortName": "Fair Value Measurements - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "casa:FairValueAssetsTransfersAmountLevel1ToLevel2",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_c811b7c8-7631-4ef7-abf5-43ba4bf11120",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100520 - Disclosure - Fair Value Measurements - Summary of Changes in Fair Values of Stock Appreciation Rights (SARs) Liability (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails",
     "shortName": "Fair Value Measurements - Summary of Changes in Fair Values of Stock Appreciation Rights (SARs) Liability (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:FairValueDisclosuresTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_c811b7c8-7631-4ef7-abf5-43ba4bf11120",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100530 - Disclosure - Income Taxes - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails",
     "shortName": "Income Taxes - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:IncomeTaxDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "3",
      "lang": null,
      "name": "us-gaap:EffectiveIncomeTaxRateContinuingOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LongTermDebt",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100540 - Disclosure - Debt - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
     "shortName": "Debt - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_8d969f13-d227-4836-a0bb-c6e9edf863c2",
      "decimals": null,
      "lang": "en-US",
      "name": "us-gaap:DebtInstrumentInterestRateTerms",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfDebtTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:LongTermDebtGrossCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100550 - Disclosure - Debt - Schedule of Current and Non-Current Debt Obligations (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails",
     "shortName": "Debt - Schedule of Current and Non-Current Debt Obligations (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfDebtTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:LongTermDebtGrossCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100560 - Disclosure - Debt - Schedule of Aggregate Minimum Future Principal Payments of Debt (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails",
     "shortName": "Debt - Schedule of Aggregate Minimum Future Principal Payments of Debt (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "div",
       "us-gaap:DebtDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100570 - Disclosure - Stockholders' Equity - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails",
     "shortName": "Stockholders' Equity - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_813d49ae-5594-44ba-885f-fd475e3394a4",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:CommonStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProceedsFromStockOptionsExercised",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100580 - Disclosure - Stock-based Compensation - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
     "shortName": "Stock-based Compensation - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_b8abde3f-7ab5-4feb-a766-7e90c50a8eb9",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_b8abde3f-7ab5-4feb-a766-7e90c50a8eb9",
      "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",
       "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_15aafa55-2af5-4ab6-a9be-174c0e97fd3e",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100590 - Disclosure - Stock-based Compensation - Summary Stock Options Activity (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails",
     "shortName": "Stock-based Compensation - Summary Stock Options Activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_82fd4d6f-8147-489a-bde7-8b268bae2773",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_9ddc5065-95c9-4158-8ef9-18eab8e6c2d9",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100600 - Disclosure - Stock-based Compensation - Assumptions of Estimated Fair Value of Option on the Date of Grant Using Black-Scholes Option Pricing Model (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
     "shortName": "Stock-based Compensation - Assumptions of Estimated Fair Value of Option on the Date of Grant Using Black-Scholes Option Pricing Model (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_9ddc5065-95c9-4158-8ef9-18eab8e6c2d9",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_f60d95bb-eb98-4be2-9dd6-bd8c32274977",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100610 - Disclosure - Stock-based Compensation - Summary of RSU Activity (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails",
     "shortName": "Stock-based Compensation - Summary of RSU Activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_f60d95bb-eb98-4be2-9dd6-bd8c32274977",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_ca186494-1b39-4dee-bf2f-bf8db5dca54d",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100620 - Disclosure - Stock-based Compensation - Summary of PSU Activity (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
     "shortName": "Stock-based Compensation - Summary of PSU Activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_ca186494-1b39-4dee-bf2f-bf8db5dca54d",
      "decimals": "2",
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "casa:ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_e7e20a8c-2e30-4aab-9bbf-fc1ddcf181c5",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100630 - Disclosure - Stock-based Compensation - Assumptions of Estimated Based on Monte Carlo Simulation Model (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
     "shortName": "Stock-based Compensation - Assumptions of Estimated Based on Monte Carlo Simulation Model (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "casa:ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_e7e20a8c-2e30-4aab-9bbf-fc1ddcf181c5",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "casa:ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_487b94bc-1ede-4c02-a8d0-ddf537fa66de",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100640 - Disclosure - Stock-based Compensation - Assumptions of Estimated Based on Monte Carlo Simulation Model (Parenthetical) (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
     "shortName": "Stock-based Compensation - Assumptions of Estimated Based on Monte Carlo Simulation Model (Parenthetical) (Details)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_f0f91a4f-a11d-4972-9a29-f96a48c0a8f6",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100650 - Disclosure - Stock-based Compensation - Summary of SAR Activity (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
     "shortName": "Stock-based Compensation - Summary of SAR Activity (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_f0f91a4f-a11d-4972-9a29-f96a48c0a8f6",
      "decimals": "2",
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_UnitedStatesOfAmericaDollarsShare",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100660 - Disclosure - Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails",
     "shortName": "Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_45222893-c0c1-4bcc-884c-0559ca458a77",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100670 - Disclosure - Stock-based Compensation - Summary of Stock-based Compensation Expense Recognized in the Consolidated Balance Sheet (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails",
     "shortName": "Stock-based Compensation - Summary of Stock-based Compensation Expense Recognized in the Consolidated Balance Sheet (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
       "div",
       "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100680 - Disclosure - Net (Loss) Income per Share - Schedule of Basic and Diluted Net (Loss) Income Per Share Attributable to Common Stockholders (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails",
     "shortName": "Net (Loss) Income per Share - Schedule of Basic and Diluted Net (Loss) Income Per Share Attributable to Common Stockholders (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "100060 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited",
     "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DepreciationDepletionAndAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_d7ad06fd-8710-4a19-a6cc-4a914b43257c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100690 - Disclosure - Net (Loss) Income per Share - Schedule of Potential Common Shares Excluded from the Computation of Diluted Net (Loss) Income Per Share Attributable to Common Stockholders (Details) (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails",
     "shortName": "Net (Loss) Income per Share - Schedule of Potential Common Shares Excluded from the Computation of Diluted Net (Loss) Income Per Share Attributable to Common Stockholders (Details) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
       "div",
       "us-gaap:EarningsPerShareTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_d7ad06fd-8710-4a19-a6cc-4a914b43257c",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_shares",
      "xsiNil": "false"
     }
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100700 - Disclosure - Revenue from Contracts with Customers - Summary of Disaggregation of Revenue Based on Geographic Locations Determined by Customer's Shipping Address (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
     "shortName": "Revenue from Contracts with Customers - Summary of Disaggregation of Revenue Based on Geographic Locations Determined by Customer's Shipping Address (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_915ed875-ae4a-4f9a-a42c-2cff35f81e18",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "ix:continuation",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_415a5598-5e4a-4e99-841b-4c7023878966",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "casa:NumberOfCountries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Country",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100710 - Disclosure - Revenue from Contracts with Customers - Summary of Disaggregation of Revenue Based on Geographic Locations Determined by Customer's Shipping Address (Parenthetical) (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
     "shortName": "Revenue from Contracts with Customers - Summary of Disaggregation of Revenue Based on Geographic Locations Determined by Customer's Shipping Address (Parenthetical) (Details)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "ix:continuation",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_415a5598-5e4a-4e99-841b-4c7023878966",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "casa:NumberOfCountries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Country",
      "xsiNil": "false"
     }
    },
    "R73": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100720 - Disclosure - Revenue from Contracts with Customers - Summary of Disaggregates of Revenue Based on Product Line (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
     "shortName": "Revenue from Contracts with Customers - Summary of Disaggregates of Revenue Based on Product Line (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:DisaggregationOfRevenueTableTextBlock",
       "div",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_86aa3652-ffea-4fbf-9fde-6d40077b0058",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R74": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligation",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100730 - Disclosure - Revenue from Contracts with Customers - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
     "shortName": "Revenue from Contracts with Customers - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_a53af1ed-f9c7-474d-8c40-cd62fd63e123",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ContractWithCustomerAssetNetCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R75": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_d5b7a2d7-b25d-417c-9746-5414f93a7120",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligationPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100740 - Disclosure - Revenue from Contracts with Customers - Additional Information (Details1)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
     "shortName": "Revenue from Contracts with Customers - Additional Information (Details1)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RevenueFromContractWithCustomerTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_d5b7a2d7-b25d-417c-9746-5414f93a7120",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligationPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_pure",
      "xsiNil": "false"
     }
    },
    "R76": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfOperatingSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100750 - Disclosure - Segment Information - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationAdditionalInformationDetails",
     "shortName": "Segment Information - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfOperatingSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_Segment",
      "xsiNil": "false"
     }
    },
    "R77": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_1d3400a0-bf90-47ad-a4a6-fcc1eb7f915a",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentNet",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100760 - Disclosure - Segment Information - Schedule of Property and Equipment, Net by Location (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails",
     "shortName": "Segment Information - Schedule of Property and Equipment, Net by Location (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
       "div",
       "us-gaap:SegmentReportingDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_bec3fbbd-abdc-45ac-9a71-323fcaed9232",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:PropertyPlantAndEquipmentNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R78": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "link:footnote",
       "p",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_5d676b4d-f875-491e-ade9-98b82fc68eae",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromRelatedParties",
      "reportCount": 1,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100770 - Disclosure - Related Parties - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
     "shortName": "Related Parties - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_b92f45da-a91c-4bb0-829a-08a180f79d5c",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OfficersCompensation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R79": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_642d3ebc-85a2-4de8-92d3-480c916c60ec",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:AllegedCostsIncurredSettlementAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100780 - Disclosure - Commitments and Contingencies - Additional Information (Details)",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails",
     "shortName": "Commitments and Contingencies - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_642d3ebc-85a2-4de8-92d3-480c916c60ec",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "casa:AllegedCostsIncurredSettlementAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "U_USD",
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100070 - Disclosure - Nature of Business and Basis of Presentation",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNatureOfBusinessAndBasisOfPresentation",
     "shortName": "Nature of Business and Basis of Presentation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "100080 - Disclosure - Summary of Significant Accounting Policies",
     "role": "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies",
     "shortName": "Summary of Significant Accounting Policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "casa-20220630.htm",
      "contextRef": "C_835b55da-b086-42d1-9cde-4cdea5bcecb5",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 97,
   "tag": {
    "casa_AccountingStandardsUpdateDescription": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accounting standards update description.",
        "label": "Accounting Standards Update Description",
        "terseLabel": "Accounting standards update description"
       }
      }
     },
     "localname": "AccountingStandardsUpdateDescription",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_AccountsReceivableExtendedPaymentTermsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accounts receivable, extended payment terms.",
        "label": "Accounts Receivable Extended Payment Terms [Member]",
        "terseLabel": "Accounts Receivable, Extended Payment Terms"
       }
      }
     },
     "localname": "AccountsReceivableExtendedPaymentTermsMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued expenses and other current liabilities current.",
        "label": "Accrued Expenses And Other Current Liabilities Current",
        "terseLabel": "Accrued expenses and other current liabilities",
        "totalLabel": "Total accrued expenses and other current liabilities"
       }
      }
     },
     "localname": "AccruedExpensesAndOtherCurrentLiabilitiesCurrent",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_AccruedExpensesAndOtherCurrentLiabilitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued expenses and other current liabilities.",
        "label": "Accrued Expenses And Other Current Liabilities [Line Items]",
        "terseLabel": "Accrued Expenses And Other Current Liabilities [Line Items]"
       }
      }
     },
     "localname": "AccruedExpensesAndOtherCurrentLiabilitiesLineItems",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_AccruedExpensesAndOtherCurrentLiabilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued expenses and other current liabilities.",
        "label": "Accrued Expenses And Other Current Liabilities [Member]",
        "terseLabel": "Accrued Expenses And Other Current Liabilities"
       }
      }
     },
     "localname": "AccruedExpensesAndOtherCurrentLiabilitiesMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_AccruedExpensesAndOtherCurrentLiabilitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Accrued expenses and other current liabilities.",
        "label": "Accrued Expenses And Other Current Liabilities [Table]",
        "terseLabel": "Accrued Expenses And Other Current Liabilities [Table]"
       }
      }
     },
     "localname": "AccruedExpensesAndOtherCurrentLiabilitiesTable",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_AllegedCostsCashSettlementProposal": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Alleged costs, cash settlement proposal.",
        "label": "Alleged Costs, Cash Settlement Proposal",
        "terseLabel": "Alleged costs, total cash settlement proposal"
       }
      }
     },
     "localname": "AllegedCostsCashSettlementProposal",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_AllegedCostsIncurredSettlementAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Alleged Costs Incurred Settlement Amount",
        "label": "Alleged Costs Incurred Settlement Amount",
        "terseLabel": "Alleged costs incurred to date"
       }
      }
     },
     "localname": "AllegedCostsIncurredSettlementAmount",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_AsiaPacificAustraliaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asia-Pacific Australia.",
        "label": "Asia Pacific Australia [Member]",
        "terseLabel": "Asia-Pacific - Australia"
       }
      }
     },
     "localname": "AsiaPacificAustraliaMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_AsiaPacificOtherCountryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asia-Pacific Other Country.",
        "label": "Asia Pacific Other Country [Member]",
        "terseLabel": "Asia-Pacific - Other"
       }
      }
     },
     "localname": "AsiaPacificOtherCountryMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CertificatesOfDepositRestrictedCashMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Certificates of deposit-restricted cash.",
        "label": "Certificates Of Deposit Restricted Cash [Member]",
        "terseLabel": "Certificates of Deposit - Restricted Cash"
       }
      }
     },
     "localname": "CertificatesOfDepositRestrictedCashMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ChangeInProvisionForExcessAndObsoleteInventory": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Change in provision for excess and obsolete inventory.",
        "label": "Change In Provision For Excess And Obsolete Inventory",
        "negatedLabel": "Change in provision for excess and obsolete inventory",
        "negatedTerseLabel": "Decrease in inventory due to additional reserves"
       }
      }
     },
     "localname": "ChangeInProvisionForExcessAndObsoleteInventory",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureInventoryAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_ComputersAndPurchasedSoftwareMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Computers and purchased software.",
        "label": "Computers And Purchased Software [Member]",
        "terseLabel": "Computers and Purchased Software"
       }
      }
     },
     "localname": "ComputersAndPurchasedSoftwareMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ContractWithCustomerLiabilityToAffiliates": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contract with customer liability, to affiliates.",
        "label": "Contract with Customer Liability, to Affiliates",
        "terseLabel": "Deferred revenue associated with related party"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityToAffiliates",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_ContractWithCustomerLiabilityToAffiliatesCurrent": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contract with customer liability to affiliates current.",
        "label": "Contract With Customer Liability To Affiliates Current",
        "terseLabel": "Deferred revenue associated with related party"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityToAffiliatesCurrent",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_CustomerAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer A.",
        "label": "Customer A [Member]",
        "terseLabel": "Customer A"
       }
      }
     },
     "localname": "CustomerAMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CustomerBMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer B.",
        "label": "Customer B [Member]",
        "terseLabel": "Customer B"
       }
      }
     },
     "localname": "CustomerBMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CustomerCMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer C.",
        "label": "Customer C [Member]",
        "terseLabel": "Customer C"
       }
      }
     },
     "localname": "CustomerCMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CustomerDMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer D.",
        "label": "Customer D [Member]",
        "terseLabel": "Customer D"
       }
      }
     },
     "localname": "CustomerDMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CustomerEMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer E.",
        "label": "Customer E [Member]",
        "terseLabel": "Customer E"
       }
      }
     },
     "localname": "CustomerEMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CustomerFMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer F.",
        "label": "Customer F [Member]",
        "terseLabel": "Customer F"
       }
      }
     },
     "localname": "CustomerFMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_CustomerGMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer G.",
        "label": "Customer G [Member]",
        "terseLabel": "Customer G"
       }
      }
     },
     "localname": "CustomerGMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_DebtInstrumentMandatoryPrepaymentOfDebtAmountPayable": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument, mandatory prepayment of debt, amount payable.",
        "label": "Debt Instrument Mandatory Prepayment Of Debt Amount Payable",
        "terseLabel": "Debt instrument, mandatory early prepayment of debt payable"
       }
      }
     },
     "localname": "DebtInstrumentMandatoryPrepaymentOfDebtAmountPayable",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_DebtInstrumentPercentageOfExcessCashFlowForMandatoryPrepaymentsOfDebt": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument percentage of excess cash flow for mandatory prepayments of debt.",
        "label": "Debt Instrument Percentage Of Excess Cash Flow For Mandatory Prepayments Of Debt",
        "terseLabel": "Percentage on excess cash flow for mandatory prepayments of debt"
       }
      }
     },
     "localname": "DebtInstrumentPercentageOfExcessCashFlowForMandatoryPrepaymentsOfDebt",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "casa_DebtInstrumentPercentageOfNetCashProceedsFromIssuancesOrIncurrenceOfAdditionalDebtToBeUsedForMandatoryPrepayment": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument percentage of net cash proceeds from issuances or incurrence of additional debt to be used for mandatory prepayment.",
        "label": "Debt Instrument Percentage Of Net Cash Proceeds From Issuances Or Incurrence Of Additional Debt To Be Used For Mandatory Prepayment",
        "terseLabel": "Percentage of net cash proceeds from issuances or incurrence of additional Debt to be used for mandatory prepayment"
       }
      }
     },
     "localname": "DebtInstrumentPercentageOfNetCashProceedsFromIssuancesOrIncurrenceOfAdditionalDebtToBeUsedForMandatoryPrepayment",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "casa_DebtInstrumentPercentageOfNetProceedsFromDispositionToBeUsedForMandatoryPrepayment": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt instrument percentage of net proceeds from disposition to be used for mandatory prepayment.",
        "label": "Debt Instrument Percentage Of Net Proceeds From Disposition To Be Used For Mandatory Prepayment",
        "terseLabel": "Percentage of net proceeds from asset dispositions to be used for mandatory prepayment"
       }
      }
     },
     "localname": "DebtInstrumentPercentageOfNetProceedsFromDispositionToBeUsedForMandatoryPrepayment",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "casa_DeferredInventoryCostsNetOfReserves": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred inventory costs, net of reserves.",
        "label": "Deferred Inventory Costs Net Of Reserves",
        "terseLabel": "Deferred inventory costs"
       }
      }
     },
     "localname": "DeferredInventoryCostsNetOfReserves",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_DeferredRevenueMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Deferred revenue.",
        "label": "Deferred Revenue [Member]",
        "terseLabel": "Deferred Revenue"
       }
      }
     },
     "localname": "DeferredRevenueMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_DepreciationAndAmortizationExpenseOnPropertyAndEquipment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Depreciation and amortization expense on property and equipment.",
        "label": "Depreciation And Amortization Expense On Property And Equipment",
        "verboseLabel": "Depreciation and amortization expense on property and equipment"
       }
      }
     },
     "localname": "DepreciationAndAmortizationExpenseOnPropertyAndEquipment",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_DilutiveEffectOfRestrictedStockUnits": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dilutive effect of restricted stock units.",
        "label": "Dilutive Effect Of Restricted Stock Units",
        "terseLabel": "Dilutive effect of restricted stock units"
       }
      }
     },
     "localname": "DilutiveEffectOfRestrictedStockUnits",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "casa_DilutiveEffectOfStockOptions": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dilutive effect of stock options.",
        "label": "Dilutive Effect Of Stock Options",
        "terseLabel": "Dilutive effect of stock options"
       }
      }
     },
     "localname": "DilutiveEffectOfStockOptions",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "casa_EarningPerShareBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Earning per share, basic and diluted.",
        "label": "Earning Per Share Basic And Diluted [Abstract]",
        "terseLabel": "Net (loss) income per share attributable to common stockholders:"
       }
      }
     },
     "localname": "EarningPerShareBasicAndDilutedAbstract",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Employee taxes paid related to net share settlement of equity awards.",
        "label": "Employee Taxes Paid Related To Net Share Settlement Of Equity Awards",
        "negatedLabel": "Employee taxes paid related to net share settlement of equity awards"
       }
      }
     },
     "localname": "EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_EstimatedFutureAllegedCostsIncurredOverNextFiveYears": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Estimated future alleged costs incurred over next five years.",
        "label": "Estimated Future Alleged Costs Incurred Over Next Five Years",
        "terseLabel": "Alleged costs incurred over next five years"
       }
      }
     },
     "localname": "EstimatedFutureAllegedCostsIncurredOverNextFiveYears",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_ExtendedProductWarrantyPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Extended product warranty period.",
        "label": "Extended Product Warranty Period",
        "terseLabel": "Extended product warranty period for renewals of maintenance and support contracts"
       }
      }
     },
     "localname": "ExtendedProductWarrantyPeriod",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "casa_FairValueAssetsTransfersAmountLevel1ToLevel2": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value assets transfers amount level 1 to level 2.",
        "label": "Fair Value Assets Transfers Amount Level1 To Level2",
        "terseLabel": "Fair value, assets, transfers from Level 1 to Level 2"
       }
      }
     },
     "localname": "FairValueAssetsTransfersAmountLevel1ToLevel2",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_FairValueAssetsTransfersAmountLevel2ToLevel1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value assets transfers amount level 2 to level 1.",
        "label": "Fair Value Assets Transfers Amount Level2 To Level1",
        "terseLabel": "Fair value, assets, transfers from Level 2 to Level 1"
       }
      }
     },
     "localname": "FairValueAssetsTransfersAmountLevel2ToLevel1",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_FairValueLiabilitiesTransfersAmountLevel1ToLevel2": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value liabilities transfers amount level 1 to level 2.",
        "label": "Fair Value Liabilities Transfers Amount Level1 To Level2",
        "terseLabel": "Fair value, liabilities, transfers from Level 1 to Level 2"
       }
      }
     },
     "localname": "FairValueLiabilitiesTransfersAmountLevel1ToLevel2",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_FairValueLiabilitiesTransfersAmountLevel2ToLevel1": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value liabilities transfers amount level 2 to level 1.",
        "label": "Fair Value Liabilities Transfers Amount Level2 To Level1",
        "terseLabel": "Fair value, liabilities, transfers from Level 2 to Level 1"
       }
      }
     },
     "localname": "FairValueLiabilitiesTransfersAmountLevel2ToLevel1",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExercises": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value measurement with unobservable inputs reconciliation recurring basis liability exercises.",
        "label": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Exercises",
        "terseLabel": "Exercises"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExercises",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Finite lived intangible assets amortization expense after year four.",
        "label": "Finite Lived Intangible Assets Amortization Expense After Year Four",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_FloorRateMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Floor rate.",
        "label": "Floor Rate [Member]",
        "terseLabel": "Floor Rate"
       }
      }
     },
     "localname": "FloorRateMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_IncreaseDecreaseInPrepaidIncomeTaxes": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase decrease in prepaid income taxes.",
        "label": "Increase Decrease In Prepaid Income Taxes",
        "terseLabel": "Prepaid income taxes"
       }
      }
     },
     "localname": "IncreaseDecreaseInPrepaidIncomeTaxes",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_InventoryFinishedGoodsNetOfReservesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inventory finished goods, net of reserves.",
        "label": "Inventory Finished Goods Net Of Reserves [Abstract]",
        "terseLabel": "Finished goods:"
       }
      }
     },
     "localname": "InventoryFinishedGoodsNetOfReservesAbstract",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_InventoryRelatedAccrualsLiabilitiesCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails": {
       "order": 2.0,
       "parentTag": "casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inventory related accruals liabilities current.",
        "label": "Inventory Related Accruals Liabilities Current",
        "terseLabel": "Inventory-related accruals"
       }
      }
     },
     "localname": "InventoryRelatedAccrualsLiabilitiesCurrent",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_JPMorganChaseBankNAAndBarclaysBankPLCAndVariousLendersMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "JPMorgan Chase Bank, N.A. and Barclays Bank PLC and various lenders.",
        "label": "J P Morgan Chase Bank N A And Barclays Bank P L C And Various Lenders [Member]",
        "terseLabel": "JPMorgan Chase Bank, N.A. and Barclays Bank PLC and Various Lenders"
       }
      }
     },
     "localname": "JPMorganChaseBankNAAndBarclaysBankPLCAndVariousLendersMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_JPMorganChaseBankNAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "JP Morgan chase bank NA.",
        "label": "J P Morgan Chase Bank N A [Member]",
        "terseLabel": "JPMorgan Chase Bank, N. A."
       }
      }
     },
     "localname": "JPMorganChaseBankNAMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_LongTermDebtGrossCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_LongTermDebtCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long-term debt, gross, current.",
        "label": "Long Term Debt Gross Current",
        "verboseLabel": "Current portion of principal payment obligations"
       }
      }
     },
     "localname": "LongTermDebtGrossCurrent",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_LongTermDebtGrossNoncurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_LongTermDebtNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long-term debt, gross, noncurrent.",
        "label": "Long Term Debt Gross Noncurrent",
        "verboseLabel": "Non-current portion of principal payment obligations"
       }
      }
     },
     "localname": "LongTermDebtGrossNoncurrent",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Long term debt maturities repayments of principal after year four.",
        "label": "Long Term Debt Maturities Repayments Of Principal After Year Four",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_ManufacturedFinishedGoodsNetOfReserves": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Manufactured finished goods, net of reserves.",
        "label": "Manufactured Finished Goods Net Of Reserves",
        "terseLabel": "Manufactured finished goods"
       }
      }
     },
     "localname": "ManufacturedFinishedGoodsNetOfReserves",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_NetCommWirelessLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "NetComm Wireless Limited.",
        "label": "Net Comm Wireless Limited [Member]",
        "terseLabel": "NetComm Wireless Limited"
       }
      }
     },
     "localname": "NetCommWirelessLimitedMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_NetIncomeLossAvailableToCommonStockholdersBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Net income (loss) available to common stockholders, basic and diluted.",
        "label": "Net Income Loss Available To Common Stockholders Basic And Diluted [Abstract]",
        "terseLabel": "Numerator:"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasicAndDilutedAbstract",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_NorthAmericaCanadaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "North America Canada.",
        "label": "North America Canada [Member]",
        "terseLabel": "North America - Canada"
       }
      }
     },
     "localname": "NorthAmericaCanadaMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_NumberOfCountries": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of countries.",
        "label": "Number Of Countries",
        "terseLabel": "Number of countries represents 10% or more of total revenue"
       }
      }
     },
     "localname": "NumberOfCountries",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "casa_OtherCountryMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other country.",
        "label": "Other Country [Member]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherCountryMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_OtherPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other.",
        "label": "Other Policy [Text Block]",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherPolicyTextBlock",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "casa_OtherThanUnitedStatesAndAustraliaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other than United States and Australia.",
        "label": "Other Than United States And Australia [Member]",
        "terseLabel": "Other than United States and Australia"
       }
      }
     },
     "localname": "OtherThanUnitedStatesAndAustraliaMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_PaymentsOfDividendsAndEquitableAdjustments": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payments of dividends and equitable adjustments.",
        "label": "Payments Of Dividends And Equitable Adjustments",
        "negatedLabel": "Payments of dividends and equitable adjustments"
       }
      }
     },
     "localname": "PaymentsOfDividendsAndEquitableAdjustments",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_PaymentsToAcquireSoftwareLicense": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Payments to acquire software license.",
        "label": "Payments To Acquire Software License",
        "negatedLabel": "Purchases of software licenses"
       }
      }
     },
     "localname": "PaymentsToAcquireSoftwareLicense",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_ProductCableMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Product cable.",
        "label": "Product Cable [Member]",
        "terseLabel": "Product - Cable"
       }
      }
     },
     "localname": "ProductCableMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ProductFixedTelcoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Product fixed telco.",
        "label": "Product Fixed Telco [Member]",
        "terseLabel": "Product - Fixed Telco"
       }
      }
     },
     "localname": "ProductFixedTelcoMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ProductWirelessMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Product wireless.",
        "label": "Product Wireless [Member]",
        "terseLabel": "Product - Wireless"
       }
      }
     },
     "localname": "ProductWirelessMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_PurchasedSoftwareMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Purchased software.",
        "label": "Purchased Software [Member]",
        "terseLabel": "Purchased Software"
       }
      }
     },
     "localname": "PurchasedSoftwareMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_RestrictedStockUnitsAndPerformanceBasedStockUnitsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Restricted stock units and performance-based stock units.",
        "label": "Restricted Stock Units And Performance Based Stock Units [Member]",
        "terseLabel": "RSUs and PSUs"
       }
      }
     },
     "localname": "RestrictedStockUnitsAndPerformanceBasedStockUnitsMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_RongkeXieMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Rongke Xie.",
        "label": "Rongke Xie [Member]",
        "terseLabel": "Rongke Xie"
       }
      }
     },
     "localname": "RongkeXieMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of share-based payment award, performance shares valuation assumptions.",
        "label": "Schedule Of Share Based Payment Award Performance Shares Valuation Assumptions Table [Text Block]",
        "terseLabel": "Assumptions of Estimated Based on Monte Carlo Simulation Model"
       }
      }
     },
     "localname": "ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "casa_SecuritiesPurchaseAgreementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Securities purchase agreement.",
        "label": "Securities Purchase Agreement [Member]",
        "terseLabel": "Securities Purchase Agreement"
       }
      }
     },
     "localname": "SecuritiesPurchaseAgreementMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ServiceCableMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Service cable.",
        "label": "Service Cable [Member]",
        "terseLabel": "Service - Cable"
       }
      }
     },
     "localname": "ServiceCableMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ServiceFixedTelcoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Service fixed telco.",
        "label": "Service Fixed Telco [Member]",
        "terseLabel": "Service - Fixed Telco"
       }
      }
     },
     "localname": "ServiceFixedTelcoMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ServiceWirelessMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Service wireless.",
        "label": "Service Wireless [Member]",
        "terseLabel": "Service - Wireless"
       }
      }
     },
     "localname": "ServiceWirelessMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation arrangement by share based payment award equity instruments other than options exercisable weighted average grant date fair value.",
        "label": "Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Grant Date Fair Value",
        "terseLabel": "Fair value of SAR",
        "verboseLabel": "Weighted-Average Exercise Price, Exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "casa_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation arrangement by share based payment award equity instruments other than options exercised number",
        "label": "Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercised Number",
        "terseLabel": "Number of SAR exercised",
        "verboseLabel": "Number of Shares, Exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedNumber",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "casa_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsCostOfEquityRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share-based compensation arrangement by share-based payment award, fair value assumptions, cost of equity rate.",
        "label": "Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Cost Of Equity Rate",
        "terseLabel": "Cost of equity"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsCostOfEquityRate",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "casa_ShareBasedCompensationArrangementByShareBasedPaymentAwardProportionallyOccurDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation arrangement by share based payment award proportionally occur date.",
        "label": "Share Based Compensation Arrangement By Share Based Payment Award Proportionally Occur Date",
        "terseLabel": "Award vesting date"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardProportionallyOccurDate",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "dateItemType"
    },
    "casa_ShareBasedCompensationAwardTrancheFourMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation award tranche four.",
        "label": "Share Based Compensation Award Tranche Four [Member]",
        "terseLabel": "Tranche Four"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheFourMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_ShareBasedCompensationLiabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Share based compensation liability.",
        "label": "Share Based Compensation Liability [Member]",
        "terseLabel": "Share Based Compensation Liability"
       }
      }
     },
     "localname": "ShareBasedCompensationLiabilityMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_SignificantAccountingPoliciesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Significant Accounting Policies [Line Items]",
        "label": "Significant Accounting Policies [Line Items]",
        "terseLabel": "Significant Accounting Policies [Line Items]"
       }
      }
     },
     "localname": "SignificantAccountingPoliciesLineItems",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_SignificantAccountingPoliciesTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Significant Accounting Policies [Table]",
        "label": "Significant Accounting Policies [Table]",
        "terseLabel": "Significant Accounting Policies [Table]"
       }
      }
     },
     "localname": "SignificantAccountingPoliciesTable",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "casa_StandardProductWarrantyPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Standard product warranty period.",
        "label": "Standard Product Warranty Period",
        "terseLabel": "Product warranties period for software and hardware"
       }
      }
     },
     "localname": "StandardProductWarrantyPeriod",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "casa_StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_AllocatedShareBasedCompensationExpense",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Stock-based compensation recognized as change in fair value of outstanding SAR liability.",
        "label": "Stock Based Compensation Recognized As Change In Fair Value Of Outstanding S A R Liability",
        "negatedLabel": "Change in fair value of SAR Liability",
        "terseLabel": "Change in fair value of SAR Liability"
       }
      }
     },
     "localname": "StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_TermLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Term loan.",
        "label": "Term Loan [Member]",
        "terseLabel": "Term Loan"
       }
      }
     },
     "localname": "TermLoanMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_TrialSystemsAtCustomersSitesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trial systems at customers sites.",
        "label": "Trial Systems At Customers Sites [Member]",
        "terseLabel": "Trial Systems at Customers' Sites"
       }
      }
     },
     "localname": "TrialSystemsAtCustomersSitesMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_TrialSystemsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Trial systems.",
        "label": "Trial Systems [Member]",
        "terseLabel": "Trial Systems"
       }
      }
     },
     "localname": "TrialSystemsMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_TwoThousandAndSeventeenStockIncentivePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Two thousand and seventeen stock incentive plan.",
        "label": "Two Thousand And Seventeen Stock Incentive Plan [Member]",
        "terseLabel": "2017 Stock Incentive Plan"
       }
      }
     },
     "localname": "TwoThousandAndSeventeenStockIncentivePlanMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_UnpaidEquitableAdjustmentsIncludedInAccruedExpensesAndOtherCurrentLiabilities": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unpaid equitable adjustments included in accrued expenses and other current liabilities.",
        "label": "Unpaid Equitable Adjustments Included In Accrued Expenses And Other Current Liabilities",
        "terseLabel": "Unpaid equitable adjustments included in accrued expenses and other current liabilities"
       }
      }
     },
     "localname": "UnpaidEquitableAdjustmentsIncludedInAccruedExpensesAndOtherCurrentLiabilities",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "casa_UnvestedPerformanceBasedStockUnitsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unvested performance-based stock units.",
        "label": "Unvested Performance Based Stock Units [Member]",
        "terseLabel": "Unvested Performance-Based Stock Units"
       }
      }
     },
     "localname": "UnvestedPerformanceBasedStockUnitsMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_UnvestedRestrictedStockUnitsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Unvested restricted stock units.",
        "label": "Unvested Restricted Stock Units [Member]",
        "terseLabel": "Unvested Restricted Stock Units"
       }
      }
     },
     "localname": "UnvestedRestrictedStockUnitsMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_VerizonAndAffiliatesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Verizon and Affiliates.",
        "label": "Verizon And Affiliates [Member]",
        "terseLabel": "Verizon and Affiliates"
       }
      }
     },
     "localname": "VerizonAndAffiliatesMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "casa_VerizonVenturesLLCMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Verizon Ventures LLC.",
        "label": "Verizon Ventures L L C [Member]",
        "terseLabel": "Verizon Ventures LLC"
       }
      }
     },
     "localname": "VerizonVenturesLLCMember",
     "nsuri": "http://www.casa-systems.com/20220630",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "country_AU": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "AUSTRALIA",
        "verboseLabel": "Australia"
       }
      }
     },
     "localname": "AU",
     "nsuri": "http://xbrl.sec.gov/country/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "country_CN": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "CHINA",
        "terseLabel": "China"
       }
      }
     },
     "localname": "CN",
     "nsuri": "http://xbrl.sec.gov/country/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "country_US": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "UNITED STATES",
        "terseLabel": "U.S."
       }
      }
     },
     "localname": "US",
     "nsuri": "http://xbrl.sec.gov/country/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentQuarterlyReport": {
     "auth_ref": [
      "r676"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an quarterly report.",
        "label": "Document Quarterly Report",
        "terseLabel": "Document Quarterly Report"
       }
      }
     },
     "localname": "DocumentQuarterlyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r677"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r674"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r674"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityExTransitionPeriod": {
     "auth_ref": [
      "r679"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards.",
        "label": "Entity Ex Transition Period",
        "terseLabel": "Entity Ex Transition Period"
       }
      }
     },
     "localname": "EntityExTransitionPeriod",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r674"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r678"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r674"
     ],
     "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",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r674"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r674"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r674"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "employerIdItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r673"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r675"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/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",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "srt_AsiaPacificMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asia Pacific [Member]",
        "terseLabel": "Asia-Pacific"
       }
      }
     },
     "localname": "AsiaPacificMember",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_LatinAmericaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Latin America [Member]",
        "terseLabel": "Latin America"
       }
      }
     },
     "localname": "LatinAmericaMember",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MajorCustomersAxis": {
     "auth_ref": [
      "r197",
      "r374",
      "r380",
      "r641"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Axis]",
        "terseLabel": "Customer"
       }
      }
     },
     "localname": "MajorCustomersAxis",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [
      "r262",
      "r264",
      "r265",
      "r266",
      "r297",
      "r335",
      "r397",
      "r399",
      "r571",
      "r572",
      "r573",
      "r574",
      "r575",
      "r576",
      "r577",
      "r638",
      "r642",
      "r670",
      "r671"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [
      "r262",
      "r264",
      "r265",
      "r266",
      "r297",
      "r335",
      "r397",
      "r399",
      "r571",
      "r572",
      "r573",
      "r574",
      "r575",
      "r576",
      "r577",
      "r638",
      "r642",
      "r670",
      "r671"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_NameOfMajorCustomerDomain": {
     "auth_ref": [
      "r197",
      "r374",
      "r380",
      "r641"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Domain]",
        "terseLabel": "Customer"
       }
      }
     },
     "localname": "NameOfMajorCustomerDomain",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_NorthAmericaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "North America [Member]",
        "terseLabel": "North America"
       }
      }
     },
     "localname": "NorthAmericaMember",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ProductOrServiceAxis": {
     "auth_ref": [
      "r193",
      "r264",
      "r265",
      "r374",
      "r378",
      "r581",
      "r637",
      "r639"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Axis]",
        "terseLabel": "Product and Service"
       }
      }
     },
     "localname": "ProductOrServiceAxis",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ProductsAndServicesDomain": {
     "auth_ref": [
      "r193",
      "r264",
      "r265",
      "r374",
      "r378",
      "r581",
      "r637",
      "r639"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Domain]",
        "terseLabel": "Product and Service"
       }
      }
     },
     "localname": "ProductsAndServicesDomain",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [
      "r255",
      "r262",
      "r264",
      "r265",
      "r266",
      "r297",
      "r335",
      "r386",
      "r397",
      "r399",
      "r431",
      "r432",
      "r433",
      "r571",
      "r572",
      "r573",
      "r574",
      "r575",
      "r576",
      "r577",
      "r638",
      "r642",
      "r670",
      "r671"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [
      "r255",
      "r262",
      "r264",
      "r265",
      "r266",
      "r297",
      "r335",
      "r386",
      "r397",
      "r399",
      "r431",
      "r432",
      "r433",
      "r571",
      "r572",
      "r573",
      "r574",
      "r575",
      "r576",
      "r577",
      "r638",
      "r642",
      "r670",
      "r671"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Statistical Measurement"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [
      "r194",
      "r195",
      "r374",
      "r379",
      "r640",
      "r661",
      "r662",
      "r663",
      "r664",
      "r665",
      "r666",
      "r667",
      "r668",
      "r669"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [
      "r194",
      "r195",
      "r374",
      "r379",
      "r640",
      "r653",
      "r661",
      "r662",
      "r663",
      "r664",
      "r665",
      "r666",
      "r667",
      "r668",
      "r669"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical [Axis]",
        "terseLabel": "Geographical"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsNotesAndLoansReceivableLineItems": {
     "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": "Accounts, Notes, Loans and Financing Receivable [Line Items]",
        "terseLabel": "Accounts Notes And Loans Receivable [Line Items]"
       }
      }
     },
     "localname": "AccountsNotesAndLoansReceivableLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis": {
     "auth_ref": [
      "r51"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of receivable.",
        "label": "Receivable Type [Axis]",
        "terseLabel": "Receivable Type"
       }
      }
     },
     "localname": "AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "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": "Accrued Expenses and Other Current Liabilities"
       }
      }
     },
     "localname": "AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AccountsPayableCurrent": {
     "auth_ref": [
      "r38",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableMember": {
     "auth_ref": [
      "r656"
     ],
     "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": "Accounts Receivable"
       }
      }
     },
     "localname": "AccountsReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountsReceivableNet": {
     "auth_ref": [
      "r620",
      "r655"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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.",
        "label": "Accounts Receivable, after Allowance for Credit Loss",
        "totalLabel": "Accounts receivable"
       }
      }
     },
     "localname": "AccountsReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "auth_ref": [
      "r199",
      "r200"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_AccountsReceivableNet",
       "weight": 1.0
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "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, net of provision for doubtful accounts of $269 and $117 as of June 30, 2022 and December 31, 2021, respectively",
        "totalLabel": "Accounts Receivable, after Allowance for Credit Loss, Current, Total",
        "verboseLabel": "Current portion of accounts receivable, net"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]",
        "terseLabel": "Current portion of accounts receivable, net:"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsReceivableNetNoncurrent": {
     "auth_ref": [
      "r199",
      "r606",
      "r620"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AccountsReceivableNet",
       "weight": 1.0
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "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 noncurrent.",
        "label": "Accounts Receivable, after Allowance for Credit Loss, Noncurrent",
        "terseLabel": "Accounts receivable, net of current portion",
        "totalLabel": "Accounts Receivable, after Allowance for Credit Loss, Noncurrent, Total"
       }
      }
     },
     "localname": "AccountsReceivableNetNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accounts Receivable, after Allowance for Credit Loss, Noncurrent [Abstract]",
        "terseLabel": "Accounts receivable, net of current portion:"
       }
      }
     },
     "localname": "AccountsReceivableNetNoncurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccruedIncomeTaxesCurrent": {
     "auth_ref": [
      "r19",
      "r603",
      "r622"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.",
        "label": "Accrued Income Taxes, Current",
        "terseLabel": "Accrued income taxes"
       }
      }
     },
     "localname": "AccruedIncomeTaxesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedIncomeTaxesNoncurrent": {
     "auth_ref": [
      "r21",
      "r603",
      "r622"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.",
        "label": "Accrued Income Taxes, Noncurrent",
        "terseLabel": "Accrued income taxes, net of current portion"
       }
      }
     },
     "localname": "AccruedIncomeTaxesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r14",
      "r249"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r27",
      "r55",
      "r56",
      "r57",
      "r625",
      "r649",
      "r650"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 4.0,
       "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 (loss) income",
        "totalLabel": "Accumulated Other Comprehensive Income (Loss), Net of Tax, Total"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r54",
      "r57",
      "r63",
      "r64",
      "r65",
      "r114",
      "r115",
      "r116",
      "r485",
      "r554",
      "r645",
      "r646"
     ],
     "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 Income (Loss)"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r25"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 3.0,
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [
      "r114",
      "r115",
      "r116",
      "r443",
      "r444",
      "r445",
      "r502"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "auth_ref": [
      "r401",
      "r446",
      "r447"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AllocatedShareBasedCompensationExpense",
       "weight": -1.0
      }
     },
     "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-based compensation",
        "totalLabel": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total",
        "verboseLabel": "Recognized as additional paid-in capital"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "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 (loss) income to net cash provided by (used in) operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r436"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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": "Total stock-based compensation",
        "totalLabel": "Total stock-based compensation"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForDoubtfulAccountsReceivable": {
     "auth_ref": [
      "r31",
      "r202",
      "r220",
      "r221",
      "r224"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of allowance for credit loss on accounts receivable.",
        "label": "Accounts Receivable, Allowance for Credit Loss",
        "periodEndLabel": "Accounts Receivable, Allowance for Credit Loss, Ending Balance",
        "periodStartLabel": "Accounts Receivable, Allowance for Credit Loss, Beginning Balance",
        "verboseLabel": "Reserve for credit losses"
       }
      }
     },
     "localname": "AllowanceForDoubtfulAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": {
     "auth_ref": [
      "r31",
      "r202",
      "r220"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current.",
        "label": "Accounts Receivable, Allowance for Credit Loss, Current",
        "terseLabel": "Provision for doubtful accounts"
       }
      }
     },
     "localname": "AllowanceForDoubtfulAccountsReceivableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs": {
     "auth_ref": [
      "r223"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of direct write-downs of accounts receivable charged against the allowance.",
        "label": "Accounts Receivable, Allowance for Credit Loss, Writeoff",
        "verboseLabel": "Write off of uncollectible receivables"
       }
      }
     },
     "localname": "AllowanceForDoubtfulAccountsReceivableWriteOffs",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfIntangibleAssets": {
     "auth_ref": [
      "r94",
      "r237",
      "r243"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Amortization of Intangible Assets",
        "terseLabel": "Amortization expense",
        "totalLabel": "Amortization of Intangible Assets, Total"
       }
      }
     },
     "localname": "AmortizationOfIntangibleAssets",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r142"
     ],
     "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": "Potential common shares excluded from computation of diluted net income per share"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": {
     "auth_ref": [
      "r142"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of antidilutive security.",
        "label": "Antidilutive Securities [Axis]",
        "terseLabel": "Antidilutive Securities"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": {
     "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": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]",
        "terseLabel": "Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesNameDomain": {
     "auth_ref": [
      "r142"
     ],
     "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"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r18",
      "r109",
      "r177",
      "r182",
      "r189",
      "r210",
      "r281",
      "r282",
      "r283",
      "r285",
      "r286",
      "r287",
      "r288",
      "r289",
      "r290",
      "r292",
      "r293",
      "r482",
      "r486",
      "r518",
      "r564",
      "r566",
      "r602",
      "r621"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsCurrent": {
     "auth_ref": [
      "r9",
      "r37",
      "r109",
      "r210",
      "r281",
      "r282",
      "r283",
      "r285",
      "r286",
      "r287",
      "r288",
      "r289",
      "r290",
      "r292",
      "r293",
      "r482",
      "r486",
      "r518",
      "r564",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsFairValueDisclosure": {
     "auth_ref": [
      "r506"
     ],
     "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": "Assets fair value",
        "totalLabel": "Assets, Fair Value Disclosure, Total"
       }
      }
     },
     "localname": "AssetsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "auth_ref": [
      "r488",
      "r491"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BaseRateMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Minimum rate investor will accept.",
        "label": "Base Rate [Member]",
        "terseLabel": "Base Rate"
       }
      }
     },
     "localname": "BaseRateMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BuildingImprovementsMember": {
     "auth_ref": [
      "r248"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Addition, improvement, or renovation to a facility held for productive use including, but not limited to, office, production, storage and distribution facilities.",
        "label": "Building Improvements [Member]",
        "terseLabel": "Building Improvements"
       }
      }
     },
     "localname": "BuildingImprovementsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BuildingMember": {
     "auth_ref": [
      "r248"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities.",
        "label": "Building [Member]",
        "terseLabel": "Building"
       }
      }
     },
     "localname": "BuildingMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionAcquireeDomain": {
     "auth_ref": [
      "r396",
      "r398",
      "r471"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.",
        "label": "Business Acquisition, Acquiree [Domain]",
        "terseLabel": "Business Acquisition, Acquiree"
       }
      }
     },
     "localname": "BusinessAcquisitionAcquireeDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionAxis": {
     "auth_ref": [
      "r396",
      "r398",
      "r469",
      "r470",
      "r471"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by business combination or series of individually immaterial business combinations.",
        "label": "Business Acquisition [Axis]",
        "terseLabel": "Business Acquisition"
       }
      }
     },
     "localname": "BusinessAcquisitionAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock": {
     "auth_ref": [
      "r5",
      "r113",
      "r166"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Business Description and Basis of Presentation [Text Block]",
        "terseLabel": "Nature of Business and Basis of Presentation"
       }
      }
     },
     "localname": "BusinessDescriptionAndBasisOfPresentationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNatureOfBusinessAndBasisOfPresentation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CapitalExpendituresIncurredButNotYetPaid": {
     "auth_ref": [
      "r99",
      "r100",
      "r101"
     ],
     "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 included in accounts payable"
       }
      }
     },
     "localname": "CapitalExpendituresIncurredButNotYetPaid",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r6",
      "r12",
      "r96"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsAxis": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of cash and cash equivalent balance.",
        "label": "Cash and Cash Equivalents [Axis]",
        "terseLabel": "Cash and Cash Equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": {
     "auth_ref": [
      "r97",
      "r600"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits.",
        "label": "Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]",
        "terseLabel": "Cash, Cash Equivalents and Restricted Cash"
       }
      }
     },
     "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r88",
      "r96",
      "r102"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails": {
       "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 period",
        "periodStartLabel": "Cash, cash equivalents and restricted cash at beginning of period",
        "totalLabel": "Cash and cash equivalents, restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r88",
      "r532"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "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 in cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]",
        "terseLabel": "Supplemental disclosures of non-cash operating, investing and financing activities:"
       }
      }
     },
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashMember": {
     "auth_ref": [
      "r12"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CertificatesOfDepositMember": {
     "auth_ref": [
      "r616"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Short to medium-term investment available at banks and savings and loan institutions where a customer agrees to lend money to the institution for a certain amount of time and is paid a predetermined rate of interest. Certificates of deposit (CD) are typically Federal Deposit Insurance Corporation (FDIC) insured.",
        "label": "Certificates of Deposit [Member]",
        "terseLabel": "Certificates of Deposit"
       }
      }
     },
     "localname": "CertificatesOfDepositMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted": {
     "auth_ref": [
      "r0",
      "r1",
      "r117",
      "r207",
      "r208",
      "r211",
      "r212",
      "r213",
      "r215",
      "r216",
      "r457",
      "r475",
      "r476",
      "r496",
      "r498",
      "r499",
      "r505",
      "r519",
      "r521",
      "r522",
      "r523",
      "r526",
      "r527",
      "r540",
      "r548",
      "r549",
      "r550",
      "r551",
      "r552",
      "r553",
      "r583",
      "r584",
      "r643",
      "r644"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates (true false) whether accounting standards update was adopted.",
        "label": "Change in Accounting Principle, Accounting Standards Update, Adopted [true false]",
        "terseLabel": "Change in accounting principle accounting standards update adopted"
       }
      }
     },
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "booleanItemType"
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateEarlyAdoption": {
     "auth_ref": [
      "r3",
      "r117",
      "r208",
      "r211",
      "r214",
      "r217",
      "r458",
      "r477",
      "r496",
      "r500",
      "r501",
      "r505",
      "r520",
      "r521",
      "r524",
      "r525",
      "r527",
      "r541",
      "r548",
      "r550",
      "r551",
      "r585",
      "r643",
      "r644"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates (true false) whether accounting standards update was early adopted.",
        "label": "Change in Accounting Principle, Accounting Standards Update, Early Adoption [true false]",
        "terseLabel": "Change in accounting principle, accounting standards update, early adoption [true false]"
       }
      }
     },
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateEarlyAdoption",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "booleanItemType"
    },
    "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect": {
     "auth_ref": [
      "r118",
      "r128",
      "r209",
      "r219",
      "r461"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates (true false) whether effect from applying amendment to accounting standards is immaterial.",
        "label": "Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]",
        "terseLabel": "Change in accounting principle accounting standards update immaterial effect"
       }
      }
     },
     "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "booleanItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r48",
      "r608",
      "r629"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "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 16)"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "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/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r257",
      "r258",
      "r259",
      "r267",
      "r657"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [
      "r114",
      "r115",
      "r502"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r24"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r24"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r24"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r24",
      "r349"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r24",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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; 500,000 shares authorized; 98,009 and 87,815 shares issued as of June 30, 2022 and December 31, 2021, respectively; 94,413 and 84,422 shares outstanding as of June 30, 2022 and December 31, 2021, respectively",
        "totalLabel": "Common Stock, Value, Issued, Total"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r59",
      "r61",
      "r62",
      "r69",
      "r611",
      "r632"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "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": "Comprehensive (loss) income"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConcentrationRiskBenchmarkDomain": {
     "auth_ref": [
      "r160",
      "r161",
      "r197",
      "r515",
      "r516",
      "r656"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConcentrationRiskByBenchmarkAxis": {
     "auth_ref": [
      "r160",
      "r161",
      "r197",
      "r515",
      "r516",
      "r651",
      "r656"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskByTypeAxis": {
     "auth_ref": [
      "r160",
      "r161",
      "r197",
      "r515",
      "r516",
      "r651",
      "r656"
     ],
     "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": "Customer Concentration Risk"
       }
      }
     },
     "localname": "ConcentrationRiskByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskCreditRisk": {
     "auth_ref": [
      "r154",
      "r619"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for credit risk.",
        "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]",
        "terseLabel": "Concentration of Risks"
       }
      }
     },
     "localname": "ConcentrationRiskCreditRisk",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "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]",
        "terseLabel": "Concentration Risk [Line Items]"
       }
      }
     },
     "localname": "ConcentrationRiskLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskPercentage1": {
     "auth_ref": [
      "r160",
      "r161",
      "r197",
      "r515",
      "r516"
     ],
     "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"
       }
      }
     },
     "localname": "ConcentrationRiskPercentage1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ConcentrationRiskTable": {
     "auth_ref": [
      "r157",
      "r160",
      "r161",
      "r162",
      "r515",
      "r517",
      "r656"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Describes the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.",
        "label": "Concentration Risk [Table]",
        "terseLabel": "Concentration Risk [Table]"
       }
      }
     },
     "localname": "ConcentrationRiskTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskTypeDomain": {
     "auth_ref": [
      "r160",
      "r161",
      "r197",
      "r515",
      "r516",
      "r656"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ContractWithCustomerAssetNetCurrent": {
     "auth_ref": [
      "r360",
      "r362",
      "r375"
     ],
     "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",
        "terseLabel": "Contract assets",
        "totalLabel": "Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityCurrent": {
     "auth_ref": [
      "r360",
      "r361",
      "r375"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.",
        "label": "Contract with Customer, Liability, Current",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityNoncurrent": {
     "auth_ref": [
      "r360",
      "r361",
      "r375"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.",
        "label": "Contract with Customer, Liability, Noncurrent",
        "terseLabel": "Deferred revenue, net of current portion"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": {
     "auth_ref": [
      "r376"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.",
        "label": "Contract with Customer, Liability, Revenue Recognized",
        "terseLabel": "Revenue"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityRevenueRecognized",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostOfGoodsAndServicesSold": {
     "auth_ref": [
      "r76",
      "r581"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_GrossProfit",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.",
        "label": "Cost of Goods and Services Sold",
        "terseLabel": "Total cost of revenue",
        "totalLabel": "Cost of Goods and Services Sold, Total"
       }
      }
     },
     "localname": "CostOfGoodsAndServicesSold",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostOfGoodsAndServicesSoldAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost of Goods and Services Sold [Abstract]",
        "terseLabel": "Cost of revenue:"
       }
      }
     },
     "localname": "CostOfGoodsAndServicesSoldAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "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 Revenue",
        "verboseLabel": "Product Cost of Revenue"
       }
      }
     },
     "localname": "CostOfSalesMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CreditFacilityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Axis]",
        "terseLabel": "Credit Facility"
       }
      }
     },
     "localname": "CreditFacilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditFacilityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Domain]",
        "terseLabel": "Credit Facility"
       }
      }
     },
     "localname": "CreditFacilityDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CustomerConcentrationRiskMember": {
     "auth_ref": [
      "r158",
      "r197"
     ],
     "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]",
        "terseLabel": "Customer Concentration Risk"
       }
      }
     },
     "localname": "CustomerConcentrationRiskMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CustomerRelationshipsMember": {
     "auth_ref": [
      "r473"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships.",
        "label": "Customer Relationships [Member]",
        "terseLabel": "Customer Relationships"
       }
      }
     },
     "localname": "CustomerRelationshipsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r105",
      "r300",
      "r301",
      "r302",
      "r303",
      "r304",
      "r305",
      "r306",
      "r311",
      "r318",
      "r319",
      "r321",
      "r329"
     ],
     "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": "Debt"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.",
        "label": "Debt Instrument, Basis Spread on Variable Rate",
        "terseLabel": "Debt instrument, variable interest rate percentage"
       }
      }
     },
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "auth_ref": [
      "r294",
      "r325",
      "r326",
      "r544",
      "r546",
      "r547"
     ],
     "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 of loan"
       }
      }
     },
     "localname": "DebtInstrumentFaceAmount",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentInterestRateEffectivePercentage": {
     "auth_ref": [
      "r44",
      "r323",
      "r544",
      "r546"
     ],
     "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, effective interest rate percentage"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateEffectivePercentage",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateIncreaseDecrease": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Incremental percentage increase (decrease) in the stated rate on a debt instrument.",
        "label": "Debt Instrument, Interest Rate, Increase (Decrease)",
        "terseLabel": "Debt instrument, interest rate increase"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "auth_ref": [
      "r44",
      "r295"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.",
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "terseLabel": "Debt instrument, interest rate stated percentage"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateTerms": {
     "auth_ref": [
      "r44"
     ],
     "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 description"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateTerms",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentMaturityDate": {
     "auth_ref": [
      "r45",
      "r297",
      "r509"
     ],
     "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 instrument, maturity date"
       }
      }
     },
     "localname": "DebtInstrumentMaturityDate",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_DebtInstrumentPeriodicPaymentPrincipal": {
     "auth_ref": [
      "r46"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the required periodic payments applied to principal.",
        "label": "Debt Instrument, Periodic Payment, Principal",
        "terseLabel": "Debt instrument, principal payment"
       }
      }
     },
     "localname": "DebtInstrumentPeriodicPaymentPrincipal",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentRedemptionPricePercentage": {
     "auth_ref": [
      "r617"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.",
        "label": "Debt Instrument, Redemption Price, Percentage",
        "terseLabel": "Original principal amount of term loan amortization percentage"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionPricePercentage",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r46",
      "r108",
      "r112",
      "r294",
      "r295",
      "r296",
      "r297",
      "r298",
      "r299",
      "r301",
      "r307",
      "r308",
      "r309",
      "r310",
      "r312",
      "r313",
      "r314",
      "r315",
      "r316",
      "r317",
      "r320",
      "r325",
      "r326",
      "r327",
      "r328",
      "r350",
      "r353",
      "r354",
      "r355",
      "r543",
      "r544",
      "r546",
      "r547",
      "r618"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredFinanceCostsCurrentNet": {
     "auth_ref": [
      "r545"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LongTermDebtCurrent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Current, Net",
        "negatedLabel": "Unamortized debt issuance costs, current portion",
        "totalLabel": "Debt Issuance Costs, Current, Net, Total"
       }
      }
     },
     "localname": "DeferredFinanceCostsCurrentNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsGross": {
     "auth_ref": [
      "r545"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Gross",
        "terseLabel": "Debt issuance costs"
       }
      }
     },
     "localname": "DeferredFinanceCostsGross",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNoncurrentNet": {
     "auth_ref": [
      "r545"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LongTermDebtNoncurrent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Noncurrent, Net",
        "negatedLabel": "Unamortized debt issuance costs, non-current portion",
        "totalLabel": "Debt Issuance Costs, Noncurrent, Net, Total"
       }
      }
     },
     "localname": "DeferredFinanceCostsNoncurrentNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxAssetsNet": {
     "auth_ref": [
      "r450",
      "r451"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "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, with jurisdictional netting.",
        "label": "Deferred Income Tax Assets, Net",
        "terseLabel": "Deferred tax assets",
        "totalLabel": "Deferred Income Tax Assets, Net, Total"
       }
      }
     },
     "localname": "DeferredIncomeTaxAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxLiabilitiesNet": {
     "auth_ref": [
      "r450",
      "r451"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.",
        "label": "Deferred Income Tax Liabilities, Net",
        "terseLabel": "Deferred tax liabilities",
        "totalLabel": "Deferred Income Tax Liabilities, Net, Total"
       }
      }
     },
     "localname": "DeferredIncomeTaxLiabilitiesNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxesAndTaxCredits": {
     "auth_ref": [
      "r95"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred income tax expense (benefit) and income tax credits.",
        "label": "Deferred Income Taxes and Tax Credits",
        "terseLabel": "Deferred income taxes",
        "totalLabel": "Deferred Income Taxes and Tax Credits, Total"
       }
      }
     },
     "localname": "DeferredIncomeTaxesAndTaxCredits",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "auth_ref": [
      "r94",
      "r175"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.",
        "label": "Depreciation, Depletion and Amortization",
        "terseLabel": "Depreciation and amortization",
        "totalLabel": "Depreciation, Depletion and Amortization, Total"
       }
      }
     },
     "localname": "DepreciationDepletionAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeContractTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financial instrument 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.",
        "label": "Derivative Contract [Domain]",
        "terseLabel": "Derivative Contract"
       }
      }
     },
     "localname": "DerivativeContractTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DerivativeInstrumentRiskAxis": {
     "auth_ref": [
      "r52",
      "r489",
      "r490",
      "r492",
      "r493"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of derivative contract.",
        "label": "Derivative Instrument [Axis]",
        "terseLabel": "Derivative Instrument"
       }
      }
     },
     "localname": "DerivativeInstrumentRiskAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DevelopedTechnologyRightsMember": {
     "auth_ref": [
      "r474"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Rights to developed technology, which can include the right to develop, use, market, sell, or offer for sale products, compounds, or intellectual property.",
        "label": "Developed Technology Rights [Member]",
        "terseLabel": "Developed Technology"
       }
      }
     },
     "localname": "DevelopedTechnologyRightsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "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]",
        "terseLabel": "Disaggregation Of Revenue [Line Items]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTable": {
     "auth_ref": [
      "r374",
      "r378",
      "r379",
      "r380",
      "r381",
      "r382",
      "r383",
      "r384"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about 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]",
        "terseLabel": "Disaggregation Of Revenue [Table]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTableTextBlock": {
     "auth_ref": [
      "r374"
     ],
     "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 Disaggregates of Revenue Based on Product Line"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": {
     "auth_ref": [
      "r403",
      "r404",
      "r437",
      "r438",
      "r440",
      "r448"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for share-based payment arrangement.",
        "label": "Share-Based Payment Arrangement [Text Block]",
        "terseLabel": "Stock-based Compensation"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensation"
     ],
     "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/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DueFromAffiliates": {
     "auth_ref": [
      "r558",
      "r560",
      "r630"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.",
        "label": "Due from Affiliates",
        "terseLabel": "Accounts receivable due from related party"
       }
      }
     },
     "localname": "DueFromAffiliates",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EMEAMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Regions of Europe, Middle East and Africa.",
        "label": "EMEA [Member]",
        "terseLabel": "Europe, Middle East and Africa"
       }
      }
     },
     "localname": "EMEAMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Net (loss) income per share attributable to common stockholders:"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r70",
      "r120",
      "r121",
      "r122",
      "r123",
      "r124",
      "r129",
      "r132",
      "r139",
      "r140",
      "r141",
      "r145",
      "r146",
      "r503",
      "r504",
      "r612",
      "r633"
     ],
     "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",
        "totalLabel": "Earnings Per Share, Basic, Total"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r70",
      "r120",
      "r121",
      "r122",
      "r123",
      "r124",
      "r132",
      "r139",
      "r140",
      "r141",
      "r145",
      "r146",
      "r503",
      "r504",
      "r612",
      "r633"
     ],
     "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",
        "totalLabel": "Earnings Per Share, Diluted, Total"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r142",
      "r143",
      "r144",
      "r147"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Net (Loss) Income per Share"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations": {
     "auth_ref": [
      "r532"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "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; including, but not limited to, 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, Including Disposal Group and Discontinued Operations",
        "terseLabel": "Effect of exchange rate changes on cash and cash equivalents",
        "totalLabel": "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total"
       }
      }
     },
     "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EffectiveIncomeTaxRateContinuingOperations": {
     "auth_ref": [
      "r453"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Effective Income Tax Rate Reconciliation, Percent",
        "terseLabel": "Effective tax rate",
        "totalLabel": "Effective Income Tax Rate Reconciliation, Percent, Total"
       }
      }
     },
     "localname": "EffectiveIncomeTaxRateContinuingOperations",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EmployeeRelatedLiabilitiesCurrent": {
     "auth_ref": [
      "r42"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails": {
       "order": 0.0,
       "parentTag": "casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Employee-related Liabilities, Current",
        "terseLabel": "Accrued compensation and related taxes",
        "totalLabel": "Employee-related Liabilities, Current, Total"
       }
      }
     },
     "localname": "EmployeeRelatedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": {
     "auth_ref": [
      "r439"
     ],
     "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": "Unrecognized compensation cost",
        "totalLabel": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": {
     "auth_ref": [
      "r439"
     ],
     "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": "Weighted-average period of unrecognized compensation cost expected to be recognized"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_EmployeeStockOptionMember": {
     "auth_ref": [],
     "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": "Stock Options",
        "verboseLabel": "Options to Purchase Common Stock"
       }
      }
     },
     "localname": "EmployeeStockOptionMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tangible personal property used to produce goods and services.",
        "label": "Equipment [Member]",
        "terseLabel": "Equipment"
       }
      }
     },
     "localname": "EquipmentMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [Abstract]"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r2",
      "r63",
      "r64",
      "r65",
      "r114",
      "r115",
      "r116",
      "r119",
      "r125",
      "r127",
      "r149",
      "r218",
      "r349",
      "r356",
      "r443",
      "r444",
      "r445",
      "r459",
      "r460",
      "r502",
      "r533",
      "r534",
      "r535",
      "r536",
      "r537",
      "r538",
      "r554",
      "r645",
      "r646",
      "r647"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EurodollarMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest rate based on U.S. dollar denominated deposits at foreign banks or foreign branches of U.S. banks.",
        "label": "Eurodollar [Member]",
        "terseLabel": "Eurodollar Rate"
       }
      }
     },
     "localname": "EurodollarMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ExtendedProductWarrantyDescription": {
     "auth_ref": [
      "r271"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Describes the nature of the extended product warranties, which generally require additional fees to be paid by the buyer, and other guarantee contracts excluded from the initial recognition and initial measurement requirements. Does not include disclosures for standard product warranties, which typically have substantially shorter periods of time or provide less coverage, or both.",
        "label": "Extended Product Warranty Description",
        "terseLabel": "Extended product warranty description"
       }
      }
     },
     "localname": "ExtendedProductWarrantyDescription",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r506",
      "r507",
      "r514"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock": {
     "auth_ref": [
      "r506",
      "r507",
      "r508",
      "r513",
      "r514"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.",
        "label": "Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]",
        "terseLabel": "Fair Value of Financial Assets and Liabilities"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": {
     "auth_ref": [
      "r510"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Class of asset.",
        "label": "Asset Class [Domain]",
        "terseLabel": "Asset Class"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueByAssetClassAxis": {
     "auth_ref": [
      "r506",
      "r514"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r309",
      "r325",
      "r326",
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r392",
      "r393",
      "r395",
      "r507",
      "r568",
      "r569",
      "r570"
     ],
     "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": "Level 1"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByLiabilityClassAxis": {
     "auth_ref": [
      "r512",
      "r514"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by class of liability.",
        "label": "Liability Class [Axis]",
        "terseLabel": "Liability Class"
       }
      }
     },
     "localname": "FairValueByLiabilityClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r512"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "auth_ref": [
      "r309",
      "r387",
      "r388",
      "r393",
      "r395",
      "r507",
      "r568"
     ],
     "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": "Level 1"
       }
      }
     },
     "localname": "FairValueInputsLevel1Member",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r309",
      "r325",
      "r326",
      "r387",
      "r388",
      "r393",
      "r395",
      "r507",
      "r569"
     ],
     "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": "Level 2"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "auth_ref": [
      "r309",
      "r325",
      "r326",
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r392",
      "r393",
      "r395",
      "r507",
      "r570"
     ],
     "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": "Level 3"
       }
      }
     },
     "localname": "FairValueInputsLevel3Member",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": {
     "auth_ref": [
      "r510"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Represents classes of liabilities measured and disclosed at fair value.",
        "label": "Fair Value by Liability Class [Domain]",
        "terseLabel": "Fair Value by Liability Class"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": {
     "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, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]",
        "terseLabel": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable": {
     "auth_ref": [
      "r510",
      "r514"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of information required and determined to be provided for purposes of reconciling beginning and ending balances of fair value measurements of liabilities using significant unobservable inputs (level 3). Separately presenting changes during the period, attributable to: (1) total gains or losses for the period (realized and unrealized) and location reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (net); (3) transfers in and/or out of Level 3.",
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]",
        "terseLabel": "Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table]"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": {
     "auth_ref": [
      "r510",
      "r514"
     ],
     "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 Values of Stock Appreciation Rights (SARs) Liability"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3": {
     "auth_ref": [
      "r511"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3",
        "terseLabel": "Fair value, liabilities, transfers into Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3": {
     "auth_ref": [
      "r511"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3",
        "terseLabel": "Fair value, liabilities, transfers out of Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3": {
     "auth_ref": [
      "r511"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3",
        "terseLabel": "Fair value, assets, transfers into Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3": {
     "auth_ref": [
      "r511"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3",
        "terseLabel": "Fair value, assets, transfers out of Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease": {
     "auth_ref": [
      "r510"
     ],
     "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": "Change in fair value",
        "totalLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": {
     "auth_ref": [
      "r510"
     ],
     "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": "Fair value at end of period",
        "periodStartLabel": "Fair value at beginning of period"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [
      "r309",
      "r325",
      "r326",
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r392",
      "r393",
      "r395",
      "r568",
      "r569",
      "r570"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FederalFundsEffectiveSwapRateMember": {
     "auth_ref": [
      "r495"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fixed rate on U.S. dollar, constant-notional interest rate swap having its variable-rate leg referenced to Federal Funds effective rate with no additional spread over Federal Funds effective rate on that variable-rate leg.",
        "label": "Fed Funds Effective Rate Overnight Index Swap Rate [Member]",
        "terseLabel": "Federal Funds Effective Rate"
       }
      }
     },
     "localname": "FederalFundsEffectiveSwapRateMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": {
     "auth_ref": [
      "r16",
      "r242"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails": {
       "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": "Accumulated Amortization"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": {
     "auth_ref": [
      "r244"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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": "Finite-Lived Intangible Asset, Expected Amortization, Year One",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.",
        "label": "Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year",
        "terseLabel": "Remainder of 2022"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life.",
        "label": "Finite-Lived Intangible Assets Amortization Expense [Table Text Block]",
        "terseLabel": "Summary of Amortization Expense"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": {
     "auth_ref": [
      "r244"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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": "Finite-Lived Intangible Asset, Expected Amortization, Year Four",
        "terseLabel": "2026"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": {
     "auth_ref": [
      "r244"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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": "Finite-Lived Intangible Asset, Expected Amortization, Year Three",
        "terseLabel": "2025"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": {
     "auth_ref": [
      "r244"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized 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": "Finite-Lived Intangible Asset, Expected Amortization, Year Two",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": {
     "auth_ref": [
      "r238",
      "r239",
      "r242",
      "r245",
      "r582",
      "r586"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by major type or class of finite-lived intangible assets.",
        "label": "Finite-Lived Intangible Assets by Major Class [Axis]",
        "terseLabel": "Finite-Lived Intangible Assets by Major Class"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsGross": {
     "auth_ref": [
      "r242",
      "r586"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails": {
       "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": "Cost",
        "totalLabel": "Finite-Lived Intangible Assets, Gross, Total"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsGross",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": {
     "auth_ref": [
      "r238",
      "r241"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.",
        "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]",
        "terseLabel": "Finite-Lived Intangible Assets, Major Class Name"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsNet": {
     "auth_ref": [
      "r242",
      "r582"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails": {
       "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": "Net Balance"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": {
     "auth_ref": [
      "r528",
      "r529",
      "r530",
      "r531"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.",
        "label": "Foreign Currency Transaction Gain (Loss), before Tax",
        "negatedLabel": "Loss (gain) on foreign currency, net",
        "terseLabel": "Gain (loss) on foreign currency, net",
        "totalLabel": "Foreign Currency Transaction Gain (Loss), before Tax, Total"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignExchangeForwardMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Foreign exchange forward traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate.",
        "label": "Foreign Exchange Forward [Member]",
        "terseLabel": "Foreign Currency Forward Contracts"
       }
      }
     },
     "localname": "ForeignExchangeForwardMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnDispositionOfAssets": {
     "auth_ref": [
      "r94",
      "r247",
      "r252"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.",
        "label": "Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property",
        "negatedLabel": "Gain on disposal of assets"
       }
      }
     },
     "localname": "GainLossOnDispositionOfAssets",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GeographicConcentrationRiskMember": {
     "auth_ref": [
      "r159",
      "r656"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reflects the percentage that a specified dollar value on the balance sheet or income statement in the period from one or more specified geographic areas is to a corresponding consolidated, segment, or product line amount. Risk is the materially adverse effects of economic decline or antagonistic political actions resulting in loss of assets, sales volume, labor supply, or source of materials and supplies in a US state or a specified country, continent, or region such as EMEA (Europe, Middle East, Africa).",
        "label": "Geographic Concentration Risk [Member]",
        "terseLabel": "Geographic Concentration Risk"
       }
      }
     },
     "localname": "GeographicConcentrationRiskMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r15",
      "r231",
      "r232",
      "r233",
      "r235",
      "r566",
      "r601"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 4.0,
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "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/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r246"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for goodwill and intangible assets.",
        "label": "Goodwill and Intangible Assets Disclosure [Text Block]",
        "terseLabel": "Goodwill and Intangible Assets"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_GrossProfit": {
     "auth_ref": [
      "r75",
      "r109",
      "r177",
      "r181",
      "r185",
      "r188",
      "r191",
      "r210",
      "r281",
      "r282",
      "r283",
      "r286",
      "r287",
      "r288",
      "r289",
      "r290",
      "r292",
      "r293",
      "r518"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.",
        "label": "Gross Profit",
        "totalLabel": "Gross profit"
       }
      }
     },
     "localname": "GrossProfit",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": {
     "auth_ref": [
      "r67",
      "r177",
      "r181",
      "r185",
      "r188",
      "r191",
      "r599",
      "r609",
      "r614",
      "r634"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 0.0,
       "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",
        "totalLabel": "(Loss) income before (benefit from) provision for income taxes"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "auth_ref": [
      "r253",
      "r256"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "auth_ref": [
      "r256"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "auth_ref": [
      "r110",
      "r454",
      "r455",
      "r456",
      "r462",
      "r464",
      "r466",
      "r467",
      "r468"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureIncomeTaxes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r111",
      "r126",
      "r127",
      "r176",
      "r452",
      "r463",
      "r465",
      "r635"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "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)",
        "terseLabel": "(Benefit from) provision for income taxes",
        "totalLabel": "Income Tax Expense (Benefit), Total"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxesPaid": {
     "auth_ref": [
      "r91",
      "r98"
     ],
     "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 for income taxes"
       }
      }
     },
     "localname": "IncomeTaxesPaid",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayable": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 12.0,
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsReceivable": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.",
        "label": "Increase (Decrease) in Accounts Receivable",
        "negatedLabel": "Accounts receivable"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.",
        "label": "Increase (Decrease) in Income Taxes Payable",
        "terseLabel": "Accrued income taxes"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedIncomeTaxesPayable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedLiabilities": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 13.0,
       "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 expenses incurred but not yet paid.",
        "label": "Increase (Decrease) in Accrued Liabilities",
        "terseLabel": "Accrued expenses and other current liabilities",
        "totalLabel": "Increase (Decrease) in Accrued Liabilities, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInContractWithCustomerLiability": {
     "auth_ref": [
      "r93",
      "r578"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 15.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.",
        "label": "Increase (Decrease) in Contract with Customer, Liability",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "IncreaseDecreaseInContractWithCustomerLiability",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInventories": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 9.0,
       "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": "Inventory",
        "negatedTerseLabel": "Decrease in inventory",
        "totalLabel": "Increase (Decrease) in Inventories, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInInventories",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 10.0,
       "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 assets",
        "totalLabel": "Increase (Decrease) in Prepaid Expense and Other Assets, Total"
       }
      }
     },
     "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IntangibleAssetsNetExcludingGoodwill": {
     "auth_ref": [
      "r236",
      "r240"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r66",
      "r174",
      "r542",
      "r545",
      "r613"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseDebt": {
     "auth_ref": [
      "r80",
      "r315",
      "r324",
      "r327",
      "r328"
     ],
     "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, including amortization of debt issuance costs",
        "totalLabel": "Interest Expense, Debt, Total"
       }
      }
     },
     "localname": "InterestExpenseDebt",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption in which reported facts about interest income have been included.",
        "label": "Interest Income [Member]",
        "terseLabel": "Interest Income"
       }
      }
     },
     "localname": "InterestIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InterestPaidNet": {
     "auth_ref": [
      "r87",
      "r90",
      "r98"
     ],
     "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 for interest"
       }
      }
     },
     "localname": "InterestPaidNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventory Disclosure [Abstract]"
       }
      }
     },
     "localname": "InventoryDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryDisclosureTextBlock": {
     "auth_ref": [
      "r228"
     ],
     "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": "Inventory"
       }
      }
     },
     "localname": "InventoryDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventory"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InventoryNet": {
     "auth_ref": [
      "r7",
      "r36",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 2.0,
       "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 inventory"
       }
      }
     },
     "localname": "InventoryNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryPolicyTextBlock": {
     "auth_ref": [
      "r11",
      "r34",
      "r104",
      "r148",
      "r225",
      "r226",
      "r228",
      "r579"
     ],
     "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"
       }
      }
     },
     "localname": "InventoryPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InventoryRawMaterialsNetOfReserves": {
     "auth_ref": [
      "r32",
      "r227"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentIncomeInterest": {
     "auth_ref": [
      "r78",
      "r173"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LandMember": {
     "auth_ref": [
      "r378"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Part of earth's surface not covered by water.",
        "label": "Land [Member]",
        "terseLabel": "Land"
       }
      }
     },
     "localname": "LandMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LeaseholdImprovementsMember": {
     "auth_ref": [
      "r248"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r41",
      "r109",
      "r183",
      "r210",
      "r281",
      "r282",
      "r283",
      "r286",
      "r287",
      "r288",
      "r289",
      "r290",
      "r292",
      "r293",
      "r483",
      "r486",
      "r487",
      "r518",
      "r564",
      "r565"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r30",
      "r109",
      "r210",
      "r518",
      "r566",
      "r605",
      "r627"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesCurrent": {
     "auth_ref": [
      "r10",
      "r43",
      "r109",
      "r210",
      "r281",
      "r282",
      "r283",
      "r286",
      "r287",
      "r288",
      "r289",
      "r290",
      "r292",
      "r293",
      "r483",
      "r486",
      "r487",
      "r518",
      "r564",
      "r565",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesFairValueDisclosure": {
     "auth_ref": [
      "r506"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of financial and nonfinancial obligations.",
        "label": "Liabilities, Fair Value Disclosure",
        "terseLabel": "Liabilities fair value",
        "totalLabel": "Liabilities, Fair Value Disclosure, Total",
        "verboseLabel": "Fair value of liability"
       }
      }
     },
     "localname": "LiabilitiesFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityAxis": {
     "auth_ref": [
      "r39",
      "r108"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by name of lender, which may be a single entity (for example, but not limited to, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit.",
        "label": "Lender Name [Axis]",
        "terseLabel": "Lender Name"
       }
      }
     },
     "localname": "LineOfCreditFacilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityDescription": {
     "auth_ref": [
      "r39"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.",
        "label": "Line of Credit Facility, Description",
        "terseLabel": "Debt instrument prepayment description"
       }
      }
     },
     "localname": "LineOfCreditFacilityDescription",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityLenderDomain": {
     "auth_ref": [
      "r39",
      "r108"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Identification of the lender, which may be a single entity (for example, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit, including a letter of credit facility.",
        "label": "Line of Credit Facility, Lender [Domain]",
        "terseLabel": "Line of Credit Facility, Lender"
       }
      }
     },
     "localname": "LineOfCreditFacilityLenderDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r39"
     ],
     "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 amount under facility"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebt": {
     "auth_ref": [
      "r20",
      "r308",
      "r322",
      "r325",
      "r326",
      "r604",
      "r623"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.",
        "label": "Long-Term Debt",
        "totalLabel": "Aggregate minimum future principal payments of debt",
        "verboseLabel": "Outstanding borrowings"
       }
      }
     },
     "localname": "LongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtCurrent": {
     "auth_ref": [
      "r40"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "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 current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-Term Debt, Current Maturities",
        "terseLabel": "Current portion of long-term debt, net of unamortized debt issuance costs",
        "totalLabel": "Current portion of long-term debt, net of unamortized debt issuance costs"
       }
      }
     },
     "localname": "LongTermDebtCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Long-Term Debt, Current Maturities [Abstract]",
        "terseLabel": "Current liabilities:"
       }
      }
     },
     "localname": "LongTermDebtCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": {
     "auth_ref": [
      "r112",
      "r279",
      "r313"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and 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": "Long-Term Debt, Maturity, Year One",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear": {
     "auth_ref": [
      "r112"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails": {
       "order": 0.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.",
        "label": "Long-Term Debt, Maturity, Remainder of Fiscal Year",
        "terseLabel": "Remainder of 2022"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtNoncurrent": {
     "auth_ref": [
      "r20"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.",
        "label": "Long-Term Debt, Excluding Current Maturities",
        "terseLabel": "Long-term debt, net of current portion and unamortized debt issuance costs",
        "totalLabel": "Long-term debt, net of current portion and unamortized debt issuance costs"
       }
      }
     },
     "localname": "LongTermDebtNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Long-Term Debt, Excluding Current Maturities [Abstract]",
        "terseLabel": "Non-current liabilities:"
       }
      }
     },
     "localname": "LongTermDebtNoncurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r46"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-Term Debt, Type [Axis]",
        "terseLabel": "Long-term Debt, Type"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r46",
      "r280"
     ],
     "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]",
        "terseLabel": "Long-term Debt, Type"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "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]"
       }
      }
     },
     "localname": "LossContingenciesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingenciesTable": {
     "auth_ref": [
      "r260",
      "r261",
      "r262",
      "r263",
      "r264",
      "r269",
      "r270"
     ],
     "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]"
       }
      }
     },
     "localname": "LossContingenciesTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingencyEstimateOfPossibleLoss": {
     "auth_ref": [
      "r262",
      "r264",
      "r269"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.",
        "label": "Loss Contingency, Estimate of Possible Loss",
        "terseLabel": "Estimated liability related to ongoing indemnification claim"
       }
      }
     },
     "localname": "LossContingencyEstimateOfPossibleLoss",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "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": "Machinery and Equipment"
       }
      }
     },
     "localname": "MachineryAndEquipmentMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MoneyMarketFundsMember": {
     "auth_ref": [
      "r387"
     ],
     "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 Mutual Funds"
       }
      }
     },
     "localname": "MoneyMarketFundsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "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 (used in) financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "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 investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r88",
      "r92",
      "r95"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "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 operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r4",
      "r58",
      "r60",
      "r65",
      "r68",
      "r95",
      "r109",
      "r118",
      "r120",
      "r121",
      "r122",
      "r123",
      "r126",
      "r127",
      "r137",
      "r177",
      "r181",
      "r185",
      "r188",
      "r191",
      "r210",
      "r281",
      "r282",
      "r283",
      "r286",
      "r287",
      "r288",
      "r289",
      "r290",
      "r292",
      "r293",
      "r504",
      "r518",
      "r610",
      "r631"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "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 (loss) income"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r120",
      "r121",
      "r122",
      "r123",
      "r129",
      "r130",
      "r138",
      "r141",
      "r177",
      "r181",
      "r185",
      "r188",
      "r191"
     ],
     "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",
        "terseLabel": "Net (loss) income attributable to common stockholders, basic",
        "totalLabel": "Net Income (Loss) Available to Common Stockholders, Basic, Total"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": {
     "auth_ref": [
      "r131",
      "r133",
      "r134",
      "r135",
      "r136",
      "r138",
      "r141"
     ],
     "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",
        "terseLabel": "Net (loss) income attributable to common stockholders, diluted",
        "totalLabel": "Net Income (Loss) Available to Common Stockholders, Diluted, Total"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails"
     ],
     "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": "Impact of Recently Adopted and Issued Accounting Standards"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NonoperatingIncomeExpense": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).",
        "label": "Nonoperating Income (Expense)",
        "totalLabel": "Total other expense, net"
       }
      }
     },
     "localname": "NonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NonoperatingIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Nonoperating Income (Expense) [Abstract]",
        "terseLabel": "Other income (expense):"
       }
      }
     },
     "localname": "NonoperatingIncomeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NumberOfOperatingSegments": {
     "auth_ref": [
      "r168"
     ],
     "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 segments"
       }
      }
     },
     "localname": "NumberOfOperatingSegments",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OfficersCompensation": {
     "auth_ref": [
      "r71"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.",
        "label": "Salary and Wage, Officer, Excluding Cost of Good and Service Sold",
        "terseLabel": "Compensation paid"
       }
      }
     },
     "localname": "OfficersCompensation",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.",
        "label": "Operating Expenses",
        "totalLabel": "Total operating expenses"
       }
      }
     },
     "localname": "OperatingExpenses",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating expenses:"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [
      "r177",
      "r181",
      "r185",
      "r188",
      "r191"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "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": "(Loss) income from operations"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "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/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherAccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r42"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails": {
       "order": 3.0,
       "parentTag": "casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent",
       "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 expenses"
       }
      }
     },
     "localname": "OtherAccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsMember": {
     "auth_ref": [
      "r488",
      "r494"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other assets.",
        "label": "Other Assets [Member]",
        "terseLabel": "Other Assets"
       }
      }
     },
     "localname": "OtherAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "auth_ref": [
      "r17"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 6.0,
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r480",
      "r481",
      "r484"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "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, attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent",
        "terseLabel": "Other comprehensive (loss) income -foreign currency translation adjustment, net of tax",
        "totalLabel": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent, Total"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax": {
     "auth_ref": [
      "r53"
     ],
     "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": "Foreign currency translation adjustment",
        "totalLabel": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherIncome": {
     "auth_ref": [
      "r636"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of revenue and income classified as other.",
        "label": "Other Income",
        "terseLabel": "Other revenue"
       }
      }
     },
     "localname": "OtherIncome",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLiabilitiesNoncurrent": {
     "auth_ref": [
      "r47"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 5.0,
       "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 liabilities, net of current portion",
        "totalLabel": "Other Liabilities, Noncurrent, Total"
       }
      }
     },
     "localname": "OtherLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "auth_ref": [
      "r81"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 3.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "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 income, net",
        "totalLabel": "Other Nonoperating Income (Expense), Total"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PayablesAndAccrualsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payables and Accruals [Abstract]"
       }
      }
     },
     "localname": "PayablesAndAccrualsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfCommonStock": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow to reacquire common stock during the period.",
        "label": "Payments for Repurchase of Common Stock",
        "negatedLabel": "Repurchases of common stock"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireBusinessesGross": {
     "auth_ref": [
      "r82",
      "r478"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.",
        "label": "Payments to Acquire Businesses, Gross",
        "terseLabel": "Aggregate purchase price"
       }
      }
     },
     "localname": "PaymentsToAcquireBusinessesGross",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "auth_ref": [
      "r83"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 0.0,
       "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",
        "totalLabel": "Payments to Acquire Property, Plant, and Equipment, Total"
       }
      }
     },
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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 Stock Units",
        "verboseLabel": "Performance-Based Restricted Stock Units (PSUs)"
       }
      }
     },
     "localname": "PerformanceSharesMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PlanNameAxis": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PlanNameDomain": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r23",
      "r333"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r23"
     ],
     "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",
        "verboseLabel": "Preferred stock, shares authorized"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r23",
      "r333"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r23"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r23",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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; 5,000 shares authorized as of June 30, 2022 and December 31, 2021; no shares issued and outstanding as of June 30, 2022 and December 31, 2021",
        "totalLabel": "Preferred Stock, Value, Issued, Total"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": {
     "auth_ref": [
      "r37"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 3.0,
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Primary financial statement caption encompassing prepaid expenses and other current assets.",
        "label": "Prepaid Expenses and Other Current Assets [Member]",
        "terseLabel": "Prepaid Expenses and Other Current Assets"
       }
      }
     },
     "localname": "PrepaidExpensesAndOtherCurrentAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PrepaidTaxes": {
     "auth_ref": [
      "r8",
      "r229",
      "r230"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.",
        "label": "Prepaid Taxes",
        "terseLabel": "Prepaid income taxes"
       }
      }
     },
     "localname": "PrepaidTaxes",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrivatePlacementMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A private placement is a direct offering of securities to a limited number of sophisticated investors such as insurance companies, pension funds, mezzanine funds, stock funds and trusts.",
        "label": "Private Placement [Member]",
        "terseLabel": "Private Placement"
       }
      }
     },
     "localname": "PrivatePlacementMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProceedsFromCustomers": {
     "auth_ref": [
      "r89"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash receipts from customers during the current period which are usually for sales of goods and services.",
        "label": "Proceeds from Customers",
        "terseLabel": "Amounts received in cash"
       }
      }
     },
     "localname": "ProceedsFromCustomers",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfCommonStock": {
     "auth_ref": [
      "r84"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 3.0,
       "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",
        "terseLabel": "Proceeds from sale of common stock, net of issuance costs"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromStockOptionsExercised": {
     "auth_ref": [
      "r84",
      "r442"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash inflow from exercise of option under share-based payment arrangement.",
        "label": "Proceeds from Stock Options Exercised",
        "terseLabel": "Proceeds from exercise of stock options",
        "verboseLabel": "Cash proceeds received upon the exercise of options"
       }
      }
     },
     "localname": "ProceedsFromStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductMember": {
     "auth_ref": [
      "r378"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProductWarrantiesDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product Warranties Disclosures [Abstract]"
       }
      }
     },
     "localname": "ProductWarrantiesDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ProductWarrantyAccrual": {
     "auth_ref": [
      "r276",
      "r277",
      "r607"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.",
        "label": "Standard and Extended Product Warranty Accrual",
        "periodEndLabel": "Warranty reserve at end of period",
        "periodStartLabel": "Warranty reserve at beginning of period",
        "totalLabel": "Standard and Extended Product Warranty Accrual, Total"
       }
      }
     },
     "localname": "ProductWarrantyAccrual",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesSummaryOfChangesInAmountReservedForWarrantyCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductWarrantyAccrualClassifiedCurrent": {
     "auth_ref": [
      "r42",
      "r268",
      "r272"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails": {
       "order": 1.0,
       "parentTag": "casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Product Warranty Accrual, Current",
        "terseLabel": "Accrued warranty"
       }
      }
     },
     "localname": "ProductWarrantyAccrualClassifiedCurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductWarrantyAccrualPayments": {
     "auth_ref": [
      "r273"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.",
        "label": "Standard and Extended Product Warranty Accrual, Decrease for Payments",
        "negatedLabel": "Charges",
        "totalLabel": "Standard and Extended Product Warranty Accrual, Decrease for Payments, Total"
       }
      }
     },
     "localname": "ProductWarrantyAccrualPayments",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesSummaryOfChangesInAmountReservedForWarrantyCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductWarrantyAccrualWarrantiesIssued": {
     "auth_ref": [
      "r274"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase in the standard and extended product warranty accrual from warranties issued.",
        "label": "Standard and Extended Product Warranty Accrual, Increase for Warranties Issued",
        "terseLabel": "Provisions",
        "totalLabel": "Standard and Extended Product Warranty Accrual, Increase for Warranties Issued, Total"
       }
      }
     },
     "localname": "ProductWarrantyAccrualWarrantiesIssued",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesSummaryOfChangesInAmountReservedForWarrantyCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment [Abstract]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentByTypeAxis": {
     "auth_ref": [
      "r250"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": {
     "auth_ref": [
      "r254",
      "r658",
      "r659",
      "r660"
     ],
     "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"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipment"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentGross": {
     "auth_ref": [
      "r13",
      "r248"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails": {
       "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",
        "terseLabel": "Property and equipment, gross",
        "totalLabel": "Property, Plant and Equipment, Gross, Total"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "auth_ref": [
      "r250",
      "r566",
      "r615",
      "r628"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "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": "Property and equipment, net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNet",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTextBlock": {
     "auth_ref": [
      "r250"
     ],
     "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": "Summary of Components of Property and Equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTransfersAndChanges": {
     "auth_ref": [
      "r251"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Transfers and Changes",
        "terseLabel": "Transfers from (into) inventory into (from) property and equipment"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTransfersAndChanges",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTypeDomain": {
     "auth_ref": [
      "r248"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProvisionForDoubtfulAccounts": {
     "auth_ref": [
      "r72",
      "r222"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of expense (reversal of expense) for expected credit loss on accounts receivable.",
        "label": "Accounts Receivable, Credit Loss Expense (Reversal)",
        "terseLabel": "Change in provision for doubtful accounts"
       }
      }
     },
     "localname": "ProvisionForDoubtfulAccounts",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReceivableTypeDomain": {
     "auth_ref": [
      "r51"
     ],
     "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]",
        "terseLabel": "Receivable"
       }
      }
     },
     "localname": "ReceivableTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReceivablesPolicyTextBlock": {
     "auth_ref": [
      "r201",
      "r204",
      "r205",
      "r206"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for receivable. Includes, but is not limited to, accounts receivable and financing receivable.",
        "label": "Receivable [Policy Text Block]",
        "terseLabel": "Accounts Receivable"
       }
      }
     },
     "localname": "ReceivablesPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RelatedPartyDomain": {
     "auth_ref": [
      "r394",
      "r557",
      "r558"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Domain]",
        "terseLabel": "Related Party"
       }
      }
     },
     "localname": "RelatedPartyDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTransactionLineItems": {
     "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": "Related Party Transaction [Line Items]",
        "terseLabel": "Related Party Transaction [Line Items]"
       }
      }
     },
     "localname": "RelatedPartyTransactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.",
        "label": "Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party",
        "terseLabel": "Selling, general and administrative expenses recognized"
       }
      }
     },
     "localname": "RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyTransactionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transactions [Abstract]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "auth_ref": [
      "r394",
      "r557",
      "r561",
      "r587",
      "r588",
      "r589",
      "r590",
      "r591",
      "r592",
      "r593",
      "r594",
      "r595",
      "r596",
      "r597",
      "r598"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Axis]",
        "terseLabel": "Related Party"
       }
      }
     },
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": {
     "auth_ref": [
      "r555",
      "r556",
      "r558",
      "r562",
      "r563"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Related Party Transactions Disclosure [Text Block]",
        "terseLabel": "Related Parties"
       }
      }
     },
     "localname": "RelatedPartyTransactionsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedParties"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RepaymentsOfDebt": {
     "auth_ref": [
      "r86"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "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",
        "negatedLabel": "Principal repayments of debt"
       }
      }
     },
     "localname": "RepaymentsOfDebt",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ResearchAndDevelopmentExpense": {
     "auth_ref": [
      "r449",
      "r580",
      "r672"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "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",
        "verboseLabel": "Research and Development Expenses"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Type of cash and cash equivalent. Cash is 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 [Domain]",
        "terseLabel": "Cash and Cash Equivalents"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsNoncurrentAssetStatementOfFinancialPositionExtensibleList": {
     "auth_ref": [
      "r102"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Indicates line item in statement of financial position that includes cash and cash equivalents restricted to withdrawal or usage, classified as noncurrent.",
        "label": "Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration]",
        "terseLabel": "Restricted Cash and Cash Equivalents, Noncurrent, Asset, Statement of Financial Position [Extensible List]"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsNoncurrentAssetStatementOfFinancialPositionExtensibleList",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails"
     ],
     "xbrltype": "enumerationSetItemType"
    },
    "us-gaap_RestrictedCashNoncurrent": {
     "auth_ref": [
      "r17",
      "r102",
      "r654"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash 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.",
        "label": "Restricted Cash, Noncurrent",
        "terseLabel": "Restricted cash",
        "verboseLabel": "Restricted cash included in other assets"
       }
      }
     },
     "localname": "RestrictedCashNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails"
     ],
     "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",
        "verboseLabel": "Restricted Stock Units (RSUs)"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r26",
      "r356",
      "r566",
      "r626",
      "r648",
      "r650"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 5.0,
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [
      "r2",
      "r114",
      "r115",
      "r116",
      "r119",
      "r125",
      "r127",
      "r218",
      "r443",
      "r444",
      "r445",
      "r459",
      "r460",
      "r502",
      "r645",
      "r647"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue from Contract with Customer [Abstract]"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "auth_ref": [
      "r171",
      "r172",
      "r180",
      "r186",
      "r187",
      "r193",
      "r194",
      "r197",
      "r373",
      "r374",
      "r581"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 0.0,
       "parentTag": "us-gaap_GrossProfit",
       "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 revenue",
        "totalLabel": "Revenue from Contract with Customer, Excluding Assessed Tax, Total"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerTextBlock": {
     "auth_ref": [
      "r363",
      "r364",
      "r365",
      "r366",
      "r367",
      "r368",
      "r371",
      "r372",
      "r377",
      "r385"
     ],
     "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 from Contracts with Customers"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomers"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RevenueFromRelatedParties": {
     "auth_ref": [
      "r73",
      "r284",
      "r286",
      "r287",
      "r291",
      "r292",
      "r293",
      "r652"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.",
        "label": "Revenue from Related Parties",
        "terseLabel": "Revenue recognized from transactions",
        "verboseLabel": "Revenue from related party"
       }
      }
     },
     "localname": "RevenueFromRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveLossIncomeUnauditedParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligation": {
     "auth_ref": [
      "r369"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.",
        "label": "Revenue, Remaining Performance Obligation, Amount",
        "terseLabel": "Revenue remaining performance obligation amount"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligation",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1": {
     "auth_ref": [
      "r370"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period",
        "terseLabel": "Revenue, remaining performance obligation, expected timing of satisfaction period"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": {
     "auth_ref": [
      "r370"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in YYYY-MM-DD format.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationPercentage": {
     "auth_ref": [
      "r370"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.",
        "label": "Revenue, Remaining Performance Obligation, Percentage",
        "terseLabel": "Revenue remaining performance obligation, percentage"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationPercentage",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails1"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_RevenuesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenues [Abstract]",
        "terseLabel": "Revenue:"
       }
      }
     },
     "localname": "RevenuesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
        "label": "Revolving Credit Facility [Member]",
        "terseLabel": "Revolving Credit Facility"
       }
      }
     },
     "localname": "RevolvingCreditFacilityMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RisksAndUncertaintiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Risks and Uncertainties [Abstract]"
       }
      }
     },
     "localname": "RisksAndUncertaintiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SaleOfStockPricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.",
        "label": "Sale of Stock, Price Per Share",
        "terseLabel": "Purchase price per share"
       }
      }
     },
     "localname": "SaleOfStockPricePerShare",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SalesRevenueNetMember": {
     "auth_ref": [
      "r160",
      "r197"
     ],
     "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]",
        "terseLabel": "Revenue"
       }
      }
     },
     "localname": "SalesRevenueNetMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregationOfRevenueBasedOnGeographicLocationsDeterminedByCustomerSShippingAddressParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfSignificantCustomersRepresent10OrMoreOfRevenueOrAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": {
     "auth_ref": [
      "r51"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule itemizing specific types of trade accounts and notes receivable, and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.",
        "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]",
        "terseLabel": "Schedule Of Accounts Notes Loans And Financing Receivable [Table]"
       }
      }
     },
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": {
     "auth_ref": [
      "r51"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.",
        "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]",
        "terseLabel": "Schedule of Accounts Receivable"
       }
      }
     },
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the (a) 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 (accounts payable); (b) other payables; and (c) accrued liabilities. 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). An alternative caption includes accrued expenses.",
        "label": "Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]",
        "terseLabel": "Schedule of Accrued Expenses and Other Current Liabilities"
       }
      }
     },
     "localname": "ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": {
     "auth_ref": [
      "r142"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule for 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]",
        "terseLabel": "Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]"
       }
      }
     },
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfPotentialCommonSharesExcludedFromComputationOfDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetailsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": {
     "auth_ref": [
      "r142"
     ],
     "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": "Schedule of Potential Common Shares Excluded from the Computation of Diluted Net (Loss) Income Per Share Attributable to Common Stockholders"
       }
      }
     },
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDebtTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.",
        "label": "Schedule of Debt [Table Text Block]",
        "terseLabel": "Schedule of Current and Non-Current Debt Obligations"
       }
      }
     },
     "localname": "ScheduleOfDebtTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r141"
     ],
     "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": "Schedule of Basic and Diluted Net (Loss) Income Per Share Attributable to Common Stockholders"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock": {
     "auth_ref": [
      "r435"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.",
        "label": "Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]",
        "terseLabel": "Schedule of Stock-based Compensation Expense"
       }
      }
     },
     "localname": "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": {
     "auth_ref": [
      "r238",
      "r241",
      "r582"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": {
     "auth_ref": [
      "r238",
      "r241"
     ],
     "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": "Schedule of Intangible Assets Net"
       }
      }
     },
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": {
     "auth_ref": [
      "r11",
      "r33",
      "r34",
      "r35"
     ],
     "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": "Schedule of Inventory"
       }
      }
     },
     "localname": "ScheduleOfInventoryCurrentTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": {
     "auth_ref": [
      "r279"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt.",
        "label": "Schedule of Maturities of Long-Term Debt [Table Text Block]",
        "terseLabel": "Schedule of Aggregate Minimum Future Principal Payments of Debt"
       }
      }
     },
     "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock": {
     "auth_ref": [
      "r278"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.",
        "label": "Schedule of Product Warranty Liability [Table Text Block]",
        "terseLabel": "Summary of Changes in Amount Reserved for Warranty Costs"
       }
      }
     },
     "localname": "ScheduleOfProductWarrantyLiabilityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": {
     "auth_ref": [
      "r250"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": {
     "auth_ref": [
      "r559",
      "r561"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Schedule of Related Party Transactions, by Related Party [Table]",
        "terseLabel": "Schedule Of Related Party Transactions By Related Party [Table]"
       }
      }
     },
     "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock": {
     "auth_ref": [
      "r102",
      "r600",
      "r624"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.",
        "label": "Restrictions on Cash and Cash Equivalents [Table Text Block]",
        "terseLabel": "Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash in Accompanying Condensed Consolidated Balance Sheets"
       }
      }
     },
     "localname": "ScheduleOfRestrictedCashAndCashEquivalentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesTables"
     ],
     "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": "Summary of Disaggregation of Revenue Based on Geographic Locations Determined by Customer's Shipping Address"
       }
      }
     },
     "localname": "ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock": {
     "auth_ref": [
      "r74",
      "r196"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.",
        "label": "Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]",
        "terseLabel": "Schedule of Property and Equipment, Net by Location"
       }
      }
     },
     "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "auth_ref": [
      "r177",
      "r178",
      "r184",
      "r234"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table]",
        "terseLabel": "Schedule Of Segment Reporting Information By Segment [Table]"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTable",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r400",
      "r402",
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock": {
     "auth_ref": [
      "r408"
     ],
     "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 RSU Activity"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock": {
     "auth_ref": [
      "r408"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards that were granted, exercised or converted, forfeited, and expired during the year.",
        "label": "Share-Based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block]",
        "terseLabel": "Summary of SAR Activity"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationStockAppreciationRightsAwardActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": {
     "auth_ref": [
      "r408",
      "r423",
      "r426"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.",
        "label": "Share-Based Payment Arrangement, Option, Activity [Table Text Block]",
        "terseLabel": "Summary of Stock Options Activity"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": {
     "auth_ref": [
      "r429"
     ],
     "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": "Assumptions of Estimated Fair Value of Option on the Date of Grant Using Black-Scholes Option Pricing Model"
       }
      }
     },
     "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "auth_ref": [
      "r22",
      "r23",
      "r24",
      "r106",
      "r150",
      "r151",
      "r330",
      "r331",
      "r332",
      "r333",
      "r334",
      "r335",
      "r336",
      "r338",
      "r342",
      "r347",
      "r349",
      "r350",
      "r351",
      "r352",
      "r353",
      "r354",
      "r355",
      "r356"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": {
     "auth_ref": [
      "r241"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.",
        "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]",
        "terseLabel": "Schedule of Amortization Expense on Existing Intangible Assets"
       }
      }
     },
     "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock": {
     "auth_ref": [
      "r157",
      "r160",
      "r161",
      "r162",
      "r515",
      "r517"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.",
        "label": "Schedules of Concentration of Risk, by Risk Factor [Table Text Block]",
        "terseLabel": "Schedule of Significant Customers Represent 10% or More of Revenue or Accounts Receivable"
       }
      }
     },
     "localname": "SchedulesOfConcentrationOfRiskByRiskFactorTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r167",
      "r169",
      "r170",
      "r177",
      "r179",
      "r185",
      "r189",
      "r190",
      "r191",
      "r192",
      "r193",
      "r196",
      "r197",
      "r198"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingInformationLineItems": {
     "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": "Segment Reporting Information [Line Items]",
        "terseLabel": "Segment Reporting Information [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingInformationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSegmentInformationScheduleOfPropertyAndEquipmentNetByLocationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SellingGeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r77"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "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 Expenses",
        "verboseLabel": "Selling, General and Administrative Expenses"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpensesMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ServiceMember": {
     "auth_ref": [
      "r378"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Assistance, including, but not limited to, technology, license and maintenance, license and service, maintenance, oil and gas, and financial service.",
        "label": "Service [Member]",
        "terseLabel": "Service"
       }
      }
     },
     "localname": "ServiceMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRevenueFromContractsWithCustomersSummaryOfDisaggregatesOfRevenueBasedOnProductLineDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": {
       "order": 2.0,
       "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-based compensation",
        "totalLabel": "Share-based Payment Arrangement, Noncash Expense, Total"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r404"
     ],
     "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": "Award vesting period",
        "verboseLabel": "Award vesting period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": {
     "auth_ref": [
      "r422"
     ],
     "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": "Number of Shares, Forfeited",
        "terseLabel": "Number of shares, forfeitures"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r422"
     ],
     "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": "Weighted-Average Grant Date Fair Value, Forfeited",
        "verboseLabel": "Weighted-Average Exercise Price, Forfeited"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r420"
     ],
     "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": "Number of shares, granted",
        "verboseLabel": "Number of Shares, Granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r420"
     ],
     "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",
        "terseLabel": "Weighted-Average Grant Date Fair Value, Granted",
        "verboseLabel": "Weighted-Average Exercise Price, Granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": {
     "auth_ref": [
      "r417",
      "r418"
     ],
     "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": "Number of Shares, Ending Balance",
        "periodStartLabel": "Number of Shares, Beginning Balance",
        "terseLabel": "Number of shares, unvested"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r417",
      "r418"
     ],
     "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": "Weighted-Average Grant Date Fair Value, Ending Balance",
        "periodStartLabel": "Weighted-Average Grant Date Fair Value, Beginning Balance"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
     "auth_ref": [
      "r421"
     ],
     "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": "Number of Shares, Vested",
        "terseLabel": "Number of shares, vesting"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue": {
     "auth_ref": [
      "r425"
     ],
     "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": "Aggregate Fair Value, Vested",
        "verboseLabel": "Aggregate fair value vested"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r421"
     ],
     "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": "Weighted-Average Grant Date Fair Value, Vested"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": {
     "auth_ref": [
      "r432"
     ],
     "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": "Dividend yield",
        "verboseLabel": "Expected dividend yield"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": {
     "auth_ref": [
      "r431"
     ],
     "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": "Volatility",
        "verboseLabel": "Expected volatility"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The estimated measure of the maximum 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, Maximum",
        "terseLabel": "Expected volatility, Maximum"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The estimated measure of the minimum 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, Minimum",
        "terseLabel": "Expected volatility, Minimum"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": {
     "auth_ref": [
      "r433"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfStockBasedCompensationExpenseDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": {
     "auth_ref": [
      "r406"
     ],
     "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": "Number of shares authorized for grant"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": {
     "auth_ref": [
      "r441"
     ],
     "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": "Number of remaining shares available for grant"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": {
     "auth_ref": [
      "r411"
     ],
     "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": "Number of Shares, Options exercisable at June 30, 2022"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": {
     "auth_ref": [
      "r411"
     ],
     "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": "Weighted-Average Exercise Price, Options exercisable at June 30, 2022"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": {
     "auth_ref": [
      "r425"
     ],
     "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": "Intrinsic value of stock options exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": {
     "auth_ref": [
      "r415"
     ],
     "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": "Number of Shares, Forfeited"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": {
     "auth_ref": [
      "r413"
     ],
     "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": "Number of Shares, Granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r424"
     ],
     "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 grant date fair value per share of options"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": {
     "auth_ref": [
      "r441"
     ],
     "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": "Aggregate Intrinsic Value, Outstanding"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
     "auth_ref": [
      "r409",
      "r410"
     ],
     "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": "Number of Shares, Outstanding, Ending Balance",
        "periodStartLabel": "Number of Shares, Outstanding, Beginning Balance"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": {
     "auth_ref": [
      "r409",
      "r410"
     ],
     "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": "Weighted-Average Exercise Price, Outstanding, Ending Balance",
        "periodStartLabel": "Weighted-Average Exercise Price, Outstanding, Beginning Balance"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue": {
     "auth_ref": [
      "r427"
     ],
     "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": "Aggregate Intrinsic Value, Vested or expected to vest at June 30, 2022"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": {
     "auth_ref": [
      "r427"
     ],
     "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": "Number of Shares, Vested or expected to vest at June 30, 2022"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice": {
     "auth_ref": [
      "r427"
     ],
     "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 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, Weighted Average Exercise Price",
        "terseLabel": "Weighted-Average Exercise Price, Vested or expected to vest at June 30, 2022"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelParentheticalDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfPsuActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureRelatedPartiesAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedBasedOnMonteCarloSimulationModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfRSUActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [
      "r414"
     ],
     "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": "Weighted-Average Exercise Price, Exercised"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [
      "r415"
     ],
     "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": "Weighted-Average Exercise Price, Forfeited"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": {
     "auth_ref": [
      "r413"
     ],
     "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": "Weighted-Average Exercise Price, Granted"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "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": "Tranche One"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheOneMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationAwardTrancheThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Third 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 Three [Member]",
        "terseLabel": "Tranche Three"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheThreeMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "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": "Tranche Two"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheTwoMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock": {
     "auth_ref": [
      "r407"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares.",
        "label": "Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block]",
        "terseLabel": "Summary of PSU Activity"
       }
      }
     },
     "localname": "ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": {
     "auth_ref": [
      "r405"
     ],
     "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": "Award expiration period"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": {
     "auth_ref": [
      "r430"
     ],
     "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 term (in years)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAssumptionsOfEstimatedFairValueOfOptionOnDateOfGrantUsingBlackScholesOptionPricingModelDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": {
     "auth_ref": [
      "r441"
     ],
     "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": "Aggregate Intrinsic Value, Options exercisable at June 30, 2022"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": {
     "auth_ref": [
      "r441"
     ],
     "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": "Weighted-Average Remaining Contractual Term, Options exercisable at June 30, 2022"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": {
     "auth_ref": [
      "r427"
     ],
     "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": "Weighted-Average Remaining Contractual Term, Outstanding"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1": {
     "auth_ref": [
      "r427"
     ],
     "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": "Weighted-Average Remaining Contractual Term, Vested or expected to vest at June 30, 2022"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "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": "Balances, shares",
        "periodStartLabel": "Balances, shares"
       }
      }
     },
     "localname": "SharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.",
        "label": "Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation",
        "terseLabel": "Shares of common stock in settlement of employee tax withholding obligations"
       }
      }
     },
     "localname": "SharesPaidForTaxWithholdingForShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r103",
      "r113"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_StandardProductWarrantyDescription": {
     "auth_ref": [
      "r271",
      "r275"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Describes the nature of the product warranty, including the approximate term of the product warranty, how the product warranty arose, and the events or circumstances that would require the warrantor to perform under the product warranty.",
        "label": "Standard Product Warranty Description",
        "terseLabel": "Standard product warranty description"
       }
      }
     },
     "localname": "StandardProductWarrantyDescription",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r2",
      "r50",
      "r63",
      "r64",
      "r65",
      "r114",
      "r115",
      "r116",
      "r119",
      "r125",
      "r127",
      "r149",
      "r218",
      "r349",
      "r356",
      "r443",
      "r444",
      "r445",
      "r459",
      "r460",
      "r502",
      "r533",
      "r534",
      "r535",
      "r536",
      "r537",
      "r538",
      "r554",
      "r645",
      "r646",
      "r647"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Accumulated Deficit"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "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/2022",
     "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/2022",
     "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/2022",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [
      "r114",
      "r115",
      "r116",
      "r149",
      "r581"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockAppreciationRightsSARSMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Right to receive cash or shares equal to appreciation of predetermined number of grantor's shares during predetermined time period.",
        "label": "SARs",
        "terseLabel": "Stock Appreciation Rights (\"SARs\")",
        "verboseLabel": "Stock Appreciation Rights"
       }
      }
     },
     "localname": "StockAppreciationRightsSARSMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/DisclosureStockbasedCompensationSummaryOfSarActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsFairValueOfFinancialAssetsAndLiabilitiesDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfChangesInFairValuesOfStockAppreciationRightsSarsLiabilityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesNewIssues": {
     "auth_ref": [
      "r23",
      "r24",
      "r349",
      "r356"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of new stock issued during the period.",
        "label": "Stock Issued During Period, Shares, New Issues",
        "terseLabel": "Sale of common stock, net of issuance costs, Shares",
        "verboseLabel": "Aggregate stock purchased"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": {
     "auth_ref": [
      "r23",
      "r24",
      "r349",
      "r356",
      "r414"
     ],
     "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": "Number of Shares, Exercised",
        "terseLabel": "Exercise of stock options and common stock issued upon vesting of equity awards, net of shares withheld for employee taxes, shares"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryStockOptionsActivityDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueNewIssues": {
     "auth_ref": [
      "r23",
      "r24",
      "r349",
      "r356"
     ],
     "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": "Sale of common stock, net of issuance costs"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": {
     "auth_ref": [
      "r50",
      "r349",
      "r356"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value of stock issued as a result of the exercise of stock options.",
        "label": "Stock Issued During Period, Value, Stock Options Exercised",
        "terseLabel": "Exercise of stock options and common stock issued upon vesting of equity awards, net of shares withheld for employee taxes"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchaseProgramAuthorizedAmount1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of stock repurchase plan authorized.",
        "label": "Stock Repurchase Program, Authorized Amount",
        "terseLabel": "Stock repurchase program, common stock authorized to be repurchased"
       }
      }
     },
     "localname": "StockRepurchaseProgramAuthorizedAmount1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount remaining of a stock repurchase plan authorized.",
        "label": "Stock Repurchase Program, Remaining Authorized Repurchase Amount",
        "terseLabel": "Stock repurchase program, common stock remaining authorized to be repurchased"
       }
      }
     },
     "localname": "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchasedDuringPeriodShares": {
     "auth_ref": [
      "r23",
      "r24",
      "r349",
      "r356"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "label": "Stock Repurchased During Period, Shares",
        "terseLabel": "Stock repurchase program, stock repurchased, shares"
       }
      }
     },
     "localname": "StockRepurchasedDuringPeriodShares",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockRepurchasedDuringPeriodValue": {
     "auth_ref": [
      "r23",
      "r24",
      "r349",
      "r356"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "label": "Stock Repurchased During Period, Value",
        "terseLabel": "Stock repurchase program, stock repurchased, value"
       }
      }
     },
     "localname": "StockRepurchasedDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r24",
      "r28",
      "r29",
      "r109",
      "r203",
      "r210",
      "r518",
      "r566"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 2.0,
       "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": "Balances",
        "periodStartLabel": "Balances",
        "totalLabel": "Total stockholders\u2019 equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "auth_ref": [
      "r107",
      "r334",
      "r337",
      "r338",
      "r339",
      "r340",
      "r341",
      "r342",
      "r343",
      "r344",
      "r345",
      "r346",
      "r348",
      "r356",
      "r359",
      "r497"
     ],
     "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": "Stockholders' Equity"
       }
      }
     },
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquity"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [
      "r539",
      "r567"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r539",
      "r567"
     ],
     "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]"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r539",
      "r567"
     ],
     "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]"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of accounting policy for reporting subsequent events.",
        "label": "Subsequent Events, Policy [Policy Text Block]",
        "terseLabel": "Subsequent Event Considerations"
       }
      }
     },
     "localname": "SubsequentEventsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental disclosures of cash flow information:"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TradeAccountsReceivableMember": {
     "auth_ref": [],
     "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]",
        "terseLabel": "Accounts Receivable, Net"
       }
      }
     },
     "localname": "TradeAccountsReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TradeNamesMember": {
     "auth_ref": [
      "r472"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Rights acquired through registration of a business name to gain or protect exclusive use thereof.",
        "label": "Trade Names [Member]",
        "terseLabel": "Trade Name"
       }
      }
     },
     "localname": "TradeNamesMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TreasuryStockMember": {
     "auth_ref": [
      "r49",
      "r357"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shares of an entity that have been repurchased by the entity. This stock has no voting rights and receives no dividends. Note that treasury stock may be recorded at its total cost or separately as par (or stated) value and additional paid in capital. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.",
        "label": "Treasury Stock [Member]",
        "terseLabel": "Treasury Stock"
       }
      }
     },
     "localname": "TreasuryStockMember",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TreasuryStockShares": {
     "auth_ref": [
      "r49",
      "r357"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.",
        "label": "Treasury Stock, Shares",
        "periodEndLabel": "Balance Treasury, shares",
        "periodStartLabel": "Balance Treasury, shares",
        "terseLabel": "Treasury stock, shares",
        "totalLabel": "Treasury Stock, Shares, Total"
       }
      }
     },
     "localname": "TreasuryStockShares",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_TreasuryStockSharesAcquired": {
     "auth_ref": [
      "r24",
      "r349",
      "r356"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of shares that have been repurchased during the period and are being held in treasury.",
        "label": "Treasury Stock, Shares, Acquired",
        "verboseLabel": "Repurchases of treasury shares, shares"
       }
      }
     },
     "localname": "TreasuryStockSharesAcquired",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_TreasuryStockValue": {
     "auth_ref": [
      "r49",
      "r357",
      "r358"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.",
        "label": "Treasury Stock, Value",
        "negatedLabel": "Treasury stock, at cost; 3,597 and 3,393 shares as of June 30, 2022 and December 31, 2021, respectively",
        "periodEndLabel": "Balance Treasury",
        "periodStartLabel": "Balance Treasury",
        "totalLabel": "Treasury Stock, Value, Total"
       }
      }
     },
     "localname": "TreasuryStockValue",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TreasuryStockValueAcquiredCostMethod": {
     "auth_ref": [
      "r349",
      "r356",
      "r357"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.",
        "label": "Treasury Stock, Value, Acquired, Cost Method",
        "negatedLabel": "Repurchases of treasury shares"
       }
      }
     },
     "localname": "TreasuryStockValueAcquiredCostMethod",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TypeOfArrangementAxis": {
     "auth_ref": [
      "r479"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_UseOfEstimates": {
     "auth_ref": [
      "r152",
      "r153",
      "r155",
      "r156",
      "r163",
      "r164",
      "r165"
     ],
     "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/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VestingAxis": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Axis]"
       }
      }
     },
     "localname": "VestingAxis",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VestingDomain": {
     "auth_ref": [
      "r404",
      "r405",
      "r406",
      "r409",
      "r410",
      "r411",
      "r412",
      "r413",
      "r414",
      "r415",
      "r416",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r422",
      "r424",
      "r425",
      "r427",
      "r428",
      "r430",
      "r431",
      "r432",
      "r433",
      "r434"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Domain]"
       }
      }
     },
     "localname": "VestingDomain",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r131",
      "r141"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails": {
       "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": "Diluted",
        "totalLabel": "Weighted-average shares used to compute net (loss) income per share attributable to common stockholders, diluted"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]",
        "terseLabel": "Weighted-average shares used to compute net (loss) income per share attributable to common stockholders:",
        "verboseLabel": "Denominator:"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r129",
      "r141"
     ],
     "calculation": {
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails": {
       "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": "Basic",
        "totalLabel": "Weighted Average Number of Shares Outstanding, Basic, Total",
        "verboseLabel": "Weighted-average shares used to compute net (loss) income per share attributable to common stockholders, basic"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2022",
     "presentation": [
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails",
      "http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 6
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "105",
   "URI": "https://asc.fasb.org/extlink&oid=126987489&loc=SL124442142-165695"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "105",
   "URI": "https://asc.fasb.org/extlink&oid=126987489&loc=SL124442142-165695"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6904-107765"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=d3e4313-108586"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=126899994&loc=d3e18726-107790"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=126899994&loc=d3e18823-107790"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(c))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(d))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(e)(1))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(f))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(g)(1)(ii))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h)(2))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04(a))",
   "Topic": "235",
   "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "https://asc.fasb.org/topic&trid=2122369"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(1))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "https://asc.fasb.org/extlink&oid=122038215&loc=d3e31010-122693"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1448-109256"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(13))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1377-109256"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1505-109256"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1252-109256"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1930-109256"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1930-109256"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1930-109256"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1930-109256"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(14))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1337-109256"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=128363288&loc=d3e3842-109258"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "https://asc.fasb.org/extlink&oid=128363288&loc=d3e4984-109258"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "https://asc.fasb.org/topic&trid=2144383"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "270",
   "URI": "https://asc.fasb.org/extlink&oid=126900757&loc=d3e543-108305"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "https://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(15))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "https://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "https://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(16))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "275",
   "URI": "https://asc.fasb.org/topic&trid=2134479"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8657-108599"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8721-108599"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(17))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8721-108599"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8813-108599"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "26",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8844-108599"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(18))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "34",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8981-108599"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "42",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "280",
   "URI": "https://asc.fasb.org/topic&trid=2134510"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "105",
   "URI": "https://asc.fasb.org/extlink&oid=126987489&loc=SL124442142-165695"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=123577603&loc=d3e5033-111524"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=84159169&loc=d3e10149-111534"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=84159169&loc=d3e10178-111534"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=126986314&loc=SL124402458-218513"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=126986314&loc=SL124402458-218513"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(d)(1)",
   "Topic": "310",
   "URI": "https://asc.fasb.org/extlink&oid=126986314&loc=SL124402458-218513"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(24))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "323",
   "URI": "https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL120254519-210437"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL120320025-210437"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL120320025-210437"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL120320025-210437"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(1)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(27)(b))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "326",
   "URI": "https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "https://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "https://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.BB)",
   "Topic": "330",
   "URI": "https://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "330",
   "URI": "https://asc.fasb.org/topic&trid=2126998"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "340",
   "URI": "https://asc.fasb.org/extlink&oid=126905020&loc=d3e5879-108316"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "340",
   "URI": "https://asc.fasb.org/extlink&oid=6387103&loc=d3e6435-108320"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=122137925&loc=d3e14258-109268"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "((a)(1),(b))",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(3)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "350",
   "URI": "https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "350",
   "URI": "https://asc.fasb.org/topic&trid=2144416"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=126905981&loc=d3e2443-110228"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "360",
   "URI": "https://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "360",
   "URI": "https://asc.fasb.org/topic&trid=2155823"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "410",
   "URI": "https://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "420",
   "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "440",
   "URI": "https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "440",
   "URI": "https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "https://asc.fasb.org/topic&trid=2144648"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "20",
   "Subparagraph": "(SAB Topic 5.Y.Q2)",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "20",
   "Subparagraph": "(SAB Topic 5.Y.Q4)",
   "Topic": "450",
   "URI": "https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "https://asc.fasb.org/topic&trid=2127136"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907644&loc=d3e11281-110244"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(4))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=124440162&loc=d3e12053-110248"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12524-110249"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "((c)(2))",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "((c)(3))",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(5)",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123465755&loc=SL6230698-112601"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(i))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(ii))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(B))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iv))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(5))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(i))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(C))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iv))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(5))",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "105",
   "URI": "https://asc.fasb.org/extlink&oid=126987489&loc=SL124442142-165695"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(i)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(4))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a)(4))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69B",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69C",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69E",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "https://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "https://asc.fasb.org/topic&trid=2208564"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(CFRR 211.02)",
   "Topic": "480",
   "URI": "https://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21553-112644"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(b))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496180-112644"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(c))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21484-112644"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21488-112644"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21506-112644"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21521-112644"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21538-112644"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "https://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "505",
   "URI": "https://asc.fasb.org/topic&trid=2208762"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126919976&loc=SL49130533-203044"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130554-203045"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(9))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130558-203045"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130550-203045"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "606",
   "URI": "https://asc.fasb.org/extlink&oid=126920602&loc=SL49130690-203046-203046"
  },
  "r385": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "606",
   "URI": "https://asc.fasb.org/topic&trid=49130388"
  },
  "r386": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(i)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r387": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r388": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(01)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r389": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r390": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(A)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r391": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(B)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r392": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(C)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(03)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r394": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(n)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921"
  },
  "r396": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(a)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(d)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
  },
  "r398": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(a)",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947"
  },
  "r399": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "80",
   "Topic": "715",
   "URI": "https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "https://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19,20)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r400": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=126961718&loc=SL116886442-113899"
  },
  "r401": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=126961718&loc=d3e4534-113899"
  },
  "r402": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=126961718&loc=d3e4549-113899"
  },
  "r403": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r404": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r405": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r406": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r407": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r408": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r409": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(i)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r410": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(ii)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r411": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iii)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r412": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r413": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(01)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r414": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(02)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r415": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(03)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r416": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(04)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r417": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(i)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r418": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(ii)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r419": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.20)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r420": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(01)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r421": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(02)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r422": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(03)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r423": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r424": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)(1)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r425": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r426": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r427": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)(1)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r428": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)(2)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r429": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.21)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r430": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(i)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r431": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(ii)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r432": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(iii)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r433": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(iv)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r434": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)(v)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r435": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r436": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r437": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(2)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r438": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(2)(i)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r439": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(1))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r440": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(l)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r441": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901"
  },
  "r442": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=SL79508275-113901"
  },
  "r443": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128097895&loc=SL121327923-165333"
  },
  "r444": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(1)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128097895&loc=SL121327923-165333"
  },
  "r445": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=128097895&loc=SL121327923-165333"
  },
  "r446": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=126964447&loc=d3e11149-113907"
  },
  "r447": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "https://asc.fasb.org/extlink&oid=126964447&loc=d3e11178-113907"
  },
  "r448": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "https://asc.fasb.org/topic&trid=2228938"
  },
  "r449": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "730",
   "URI": "https://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(2))",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r450": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=123427490&loc=d3e31917-109318"
  },
  "r451": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=123427490&loc=d3e31931-109318"
  },
  "r452": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319"
  },
  "r453": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319"
  },
  "r454": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319"
  },
  "r455": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319"
  },
  "r456": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319"
  },
  "r457": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277"
  },
  "r458": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277"
  },
  "r459": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r460": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(3)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277"
  },
  "r461": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)(3)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277"
  },
  "r462": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I.5.Q1)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r463": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I.7)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817"
  },
  "r464": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.C)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817"
  },
  "r465": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324"
  },
  "r466": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "270",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338"
  },
  "r467": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331"
  },
  "r468": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "740",
   "URI": "https://asc.fasb.org/topic&trid=2144680"
  },
  "r469": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.24)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r470": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463"
  },
  "r471": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=128092470&loc=d3e4946-128472"
  },
  "r472": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=123410050&loc=d3e5263-128473"
  },
  "r473": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=123410050&loc=d3e5333-128473"
  },
  "r474": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "38",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=123410050&loc=d3e5504-128473"
  },
  "r475": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=128092918&loc=SL128093175-196984"
  },
  "r476": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=128092918&loc=SL128093175-196984"
  },
  "r477": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=128092918&loc=SL128093175-196984"
  },
  "r478": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(1)",
   "Topic": "805",
   "URI": "https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479"
  },
  "r479": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "808",
   "URI": "https://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r480": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=126929396&loc=SL4569616-111683"
  },
  "r481": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=126929396&loc=SL4569643-111683"
  },
  "r482": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r483": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r484": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r485": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r486": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
  },
  "r487": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "810",
   "URI": "https://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
  },
  "r488": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
  },
  "r489": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29,30)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r490": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r491": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r492": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959"
  },
  "r493": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959"
  },
  "r494": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=127000641&loc=SL5629052-113961"
  },
  "r495": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=124256753&loc=SL5864739-113975"
  },
  "r496": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=121483254&loc=SL120254523-199619"
  },
  "r497": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126731327&loc=SL126733271-114008"
  },
  "r498": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(a)(1)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r499": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(a)(2)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "https://asc.fasb.org/topic&trid=2122149"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r500": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(a)(3)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r501": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(c)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r502": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)(3)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r503": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)(4)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r504": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011"
  },
  "r505": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL126732908-238011"
  },
  "r506": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r507": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r508": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r509": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3,4)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r510": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r511": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r512": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258"
  },
  "r513": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=SL7498348-110258"
  },
  "r514": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258"
  },
  "r515": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611"
  },
  "r516": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611"
  },
  "r517": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611"
  },
  "r518": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612"
  },
  "r519": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL120254526-165497"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313"
  },
  "r520": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL120254526-165497"
  },
  "r521": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL120254526-165497"
  },
  "r522": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL121967933-165497"
  },
  "r523": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL121967933-165497"
  },
  "r524": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL121967933-165497"
  },
  "r525": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL121967933-165497"
  },
  "r526": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL122642865-165497"
  },
  "r527": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "825",
   "URI": "https://asc.fasb.org/extlink&oid=126983955&loc=SL122642865-165497"
  },
  "r528": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=126980362&loc=d3e28228-110885"
  },
  "r529": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=123602790&loc=d3e30226-110892"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580"
  },
  "r530": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=125521441&loc=d3e30690-110894"
  },
  "r531": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=124440516&loc=d3e30840-110895"
  },
  "r532": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906"
  },
  "r533": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900"
  },
  "r534": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r535": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r536": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r537": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r538": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
  },
  "r539": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "https://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580"
  },
  "r540": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "832",
   "URI": "https://asc.fasb.org/extlink&oid=128342835&loc=SL128342857-244232"
  },
  "r541": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "832",
   "URI": "https://asc.fasb.org/extlink&oid=128342835&loc=SL128342857-244232"
  },
  "r542": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "835",
   "URI": "https://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r543": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "https://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399"
  },
  "r544": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399"
  },
  "r545": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399"
  },
  "r546": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629"
  },
  "r547": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
  },
  "r548": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "https://asc.fasb.org/extlink&oid=128293352&loc=SL120154346-209984"
  },
  "r549": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "https://asc.fasb.org/extlink&oid=128293352&loc=SL126838806-209984"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580"
  },
  "r550": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "https://asc.fasb.org/extlink&oid=128293352&loc=SL126838806-209984"
  },
  "r551": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "https://asc.fasb.org/extlink&oid=128293352&loc=SL126838806-209984"
  },
  "r552": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "848",
   "URI": "https://asc.fasb.org/extlink&oid=125980421&loc=SL122150809-237846"
  },
  "r553": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "848",
   "URI": "https://asc.fasb.org/extlink&oid=125980421&loc=SL125981372-237846"
  },
  "r554": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)(iii)(03)",
   "Topic": "848",
   "URI": "https://asc.fasb.org/extlink&oid=125980421&loc=SL125981372-237846"
  },
  "r555": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r556": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r557": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r558": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r559": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=d3e681-108580"
  },
  "r560": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864"
  },
  "r561": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r562": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864"
  },
  "r563": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "https://asc.fasb.org/topic&trid=2122745"
  },
  "r564": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "852",
   "URI": "https://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
  },
  "r565": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "852",
   "URI": "https://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
  },
  "r566": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "852",
   "URI": "https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766"
  },
  "r567": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r568": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(1)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r569": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580"
  },
  "r570": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(3)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r571": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(1)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r572": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r573": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(3)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r574": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r575": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r576": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "860",
   "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r577": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "910",
   "URI": "https://asc.fasb.org/extlink&oid=126937589&loc=SL119991595-234733"
  },
  "r578": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "310",
   "Subparagraph": "(b)",
   "Topic": "912",
   "URI": "https://asc.fasb.org/extlink&oid=126938201&loc=d3e55415-109406"
  },
  "r579": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "330",
   "Topic": "912",
   "URI": "https://asc.fasb.org/extlink&oid=6471895&loc=d3e55923-109411"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669619-108580"
  },
  "r580": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "730",
   "Topic": "912",
   "URI": "https://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433"
  },
  "r581": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.L)",
   "Topic": "924",
   "URI": "https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856"
  },
  "r582": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "926",
   "URI": "https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959"
  },
  "r583": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "926",
   "URI": "https://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r584": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "926",
   "URI": "https://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r585": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "926",
   "URI": "https://asc.fasb.org/extlink&oid=120154821&loc=SL120154904-197079"
  },
  "r586": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "340",
   "Topic": "928",
   "URI": "https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004"
  },
  "r587": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e61929-109447"
  },
  "r588": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e61929-109447"
  },
  "r589": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e62059-109447"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669619-108580"
  },
  "r590": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e62059-109447"
  },
  "r591": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e62395-109447"
  },
  "r592": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e62395-109447"
  },
  "r593": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e62479-109447"
  },
  "r594": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e62479-109447"
  },
  "r595": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447"
  },
  "r596": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=SL6807758-109447"
  },
  "r597": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(1)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e61872-109447"
  },
  "r598": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(2)",
   "Topic": "932",
   "URI": "https://asc.fasb.org/extlink&oid=126939881&loc=d3e61872-109447"
  },
  "r599": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "940",
   "URI": "https://asc.fasb.org/extlink&oid=126941158&loc=d3e41242-110953"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669625-108580"
  },
  "r600": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(1)(a))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r601": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10)(1))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r602": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r603": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(15)(1))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r604": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r605": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r606": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(9))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r607": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15(5))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r608": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878"
  },
  "r609": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(15))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669625-108580"
  },
  "r610": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r611": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(26))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r612": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(27))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r613": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r614": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "235",
   "Subparagraph": "(SX 210.9-05(b)(2))",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884"
  },
  "r615": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630"
  },
  "r616": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "405",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818"
  },
  "r617": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Subparagraph": "e",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
  },
  "r618": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
  },
  "r619": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "825",
   "Topic": "942",
   "URI": "https://asc.fasb.org/extlink&oid=126941378&loc=d3e61044-112788"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=d3e557-108580"
  },
  "r620": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(5))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r621": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r622": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(15)(b)(1))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r623": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r624": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(2))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r625": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r626": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r627": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r628": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(8))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r629": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067"
  },
  "r630": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.3)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910"
  },
  "r631": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r632": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(22))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r633": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(23))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r634": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(8))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r635": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(9))",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r636": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04.4)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r637": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
  },
  "r638": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(d)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439"
  },
  "r639": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126561865&loc=SL117783719-158441"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067"
  },
  "r640": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126561865&loc=SL117783719-158441"
  },
  "r641": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(c)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126561865&loc=SL117783719-158441"
  },
  "r642": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=126561865&loc=SL117819544-158441"
  },
  "r643": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r644": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r645": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r646": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(1)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r647": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(2)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r648": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(i)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r649": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(ii)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067"
  },
  "r650": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(h)(2)",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r651": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "825",
   "Topic": "944",
   "URI": "https://asc.fasb.org/extlink&oid=123600520&loc=SL75241803-196195"
  },
  "r652": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.6-07.1(c))",
   "Topic": "946",
   "URI": "https://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272"
  },
  "r653": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 4))",
   "Topic": "948",
   "URI": "https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014"
  },
  "r654": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "210",
   "Topic": "954",
   "URI": "https://asc.fasb.org/extlink&oid=120413173&loc=SL116631458-115580"
  },
  "r655": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "310",
   "Topic": "954",
   "URI": "https://asc.fasb.org/extlink&oid=126942793&loc=d3e3073-115593"
  },
  "r656": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Topic": "954",
   "URI": "https://asc.fasb.org/extlink&oid=126942805&loc=d3e3115-115594"
  },
  "r657": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "440",
   "Subparagraph": "(a)",
   "Topic": "954",
   "URI": "https://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629"
  },
  "r658": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Subparagraph": "(d)",
   "Topic": "958",
   "URI": "https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916"
  },
  "r659": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "958",
   "URI": "https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(210.5-03(11))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r660": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "958",
   "URI": "https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916"
  },
  "r661": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column B))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r662": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column C))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r663": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column D))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r664": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column E))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r665": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column F))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r666": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column G))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r667": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column H))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r668": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column I))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r669": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 2))",
   "Topic": "970",
   "URI": "https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(10))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r670": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Subparagraph": "(c)",
   "Topic": "976",
   "URI": "https://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663"
  },
  "r671": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Subparagraph": "(b)",
   "Topic": "978",
   "URI": "https://asc.fasb.org/extlink&oid=126945304&loc=d3e27327-108691"
  },
  "r672": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "985",
   "URI": "https://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756"
  },
  "r673": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r674": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r675": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r676": {
   "Name": "Form 10-Q",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "308",
   "Subsection": "a"
  },
  "r677": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1"
  },
  "r678": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r679": {
   "Name": "Securities Act",
   "Number": "7A",
   "Publisher": "SEC",
   "Section": "B",
   "Subsection": "2"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(24))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(25))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(4))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(5))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1(e))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1,2)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2(a),(d))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7(b))",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(g)(4)",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.8)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.9)",
   "Topic": "220",
   "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=d3e4273-108586"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=d3e4297-108586"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586"
  }
 },
 "version": "2.1"
}
