{
 "instance": {
  "q22010q.htm": {
   "axisCustom": 1,
   "axisStandard": 37,
   "contextCount": 677,
   "dts": {
    "calculationLink": {
     "local": [
      "lc-20200630_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "lc-20200630_def.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "q22010q.htm"
     ]
    },
    "labelLink": {
     "local": [
      "lc-20200630_lab.xml"
     ],
     "remote": [
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "lc-20200630_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "lc-20200630.xsd"
     ],
     "remote": [
      "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd",
      "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/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd",
      "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd",
      "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd",
      "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd",
      "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd",
      "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
      "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd"
     ]
    }
   },
   "elementCount": 821,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2019-01-31": 48,
    "http://www.lendingclub.com/20200630": 8,
    "http://xbrl.sec.gov/dei/2019-01-31": 6,
    "total": 62
   },
   "keyCustom": 157,
   "keyStandard": 406,
   "memberCustom": 69,
   "memberStandard": 67,
   "nsprefix": "lc",
   "nsuri": "http://www.lendingclub.com/20200630",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001000 - Document - Cover Page",
     "role": "http://www.lendingclub.com/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2102100 - Disclosure - Summary of Significant Accounting Policies",
     "role": "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPolicies",
     "shortName": "Summary of Significant Accounting Policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2103100 - Disclosure - Revenue from Contracts with Customers",
     "role": "http://www.lendingclub.com/role/RevenueFromContractsWithCustomers",
     "shortName": "Revenue from Contracts with Customers",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2104100 - Disclosure - Net Income (Loss) Per Share",
     "role": "http://www.lendingclub.com/role/NetIncomeLossPerShare",
     "shortName": "Net Income (Loss) Per Share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2105100 - Disclosure - Securities Available for Sale",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSale",
     "shortName": "Securities Available for Sale",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "lc:LoansNotesAndCertificatesAndLoanServicingRightsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2106100 - Disclosure - Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings",
     "role": "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowings",
     "shortName": "Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "lc:LoansNotesAndCertificatesAndLoanServicingRightsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2107100 - Disclosure - Securitizations and Variable Interest Entities",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntities",
     "shortName": "Securitizations and Variable Interest Entities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2108100 - Disclosure - Fair Value of Assets and Liabilities",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilities",
     "shortName": "Fair Value of Assets and Liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2109100 - Disclosure - Property, Equipment and Software, net",
     "role": "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNet",
     "shortName": "Property, Equipment and Software, net",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OtherAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2110100 - Disclosure - Other Assets",
     "role": "http://www.lendingclub.com/role/OtherAssets",
     "shortName": "Other Assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OtherAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2111100 - Disclosure - Intangible Assets",
     "role": "http://www.lendingclub.com/role/IntangibleAssets",
     "shortName": "Intangible Assets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001000 - Statement - Condensed Consolidated Balance Sheets",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
     "shortName": "Condensed Consolidated Balance Sheets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AccountsPayableCurrentAndNoncurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2112100 - Disclosure - Accrued Expenses and Other Liabilities",
     "role": "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilities",
     "shortName": "Accrued Expenses and Other Liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2113100 - Disclosure - Debt",
     "role": "http://www.lendingclub.com/role/Debt",
     "shortName": "Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2128100 - Disclosure - Stockholders' Equity",
     "role": "http://www.lendingclub.com/role/StockholdersEquity",
     "shortName": "Stockholders' Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2137100 - Disclosure - Employee Incentive Plans",
     "role": "http://www.lendingclub.com/role/EmployeeIncentivePlans",
     "shortName": "Employee Incentive Plans",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2138100 - Disclosure - Income Taxes",
     "role": "http://www.lendingclub.com/role/IncomeTaxes",
     "shortName": "Income Taxes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LesseeOperatingLeasesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2139100 - Disclosure - Leases",
     "role": "http://www.lendingclub.com/role/Leases",
     "shortName": "Leases",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LesseeOperatingLeasesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2140100 - Disclosure - Commitments and Contingencies",
     "role": "http://www.lendingclub.com/role/CommitmentsAndContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2141100 - Disclosure - Restructuring Costs",
     "role": "http://www.lendingclub.com/role/RestructuringCosts",
     "shortName": "Restructuring Costs",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2142100 - Disclosure - Segment Reporting",
     "role": "http://www.lendingclub.com/role/SegmentReporting",
     "shortName": "Segment Reporting",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2143100 - Disclosure - Related Party Transactions",
     "role": "http://www.lendingclub.com/role/RelatedPartyTransactions",
     "shortName": "Related Party Transactions",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
     "shortName": "Condensed Consolidated Balance Sheets (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2144100 - Disclosure - Subsequent Events",
     "role": "http://www.lendingclub.com/role/SubsequentEvents",
     "shortName": "Subsequent Events",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "lc:DebtSecuritiesAvailableforSalePolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2202201 - Disclosure - Summary of Significant Accounting Policies (Policies)",
     "role": "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPoliciesPolicies",
     "shortName": "Summary of Significant Accounting Policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "lc:DebtSecuritiesAvailableforSalePolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2303301 - Disclosure - Revenue from Contracts with Customers (Tables)",
     "role": "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersTables",
     "shortName": "Revenue from Contracts with Customers (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2304301 - Disclosure - Net Income (Loss) Per Share (Tables)",
     "role": "http://www.lendingclub.com/role/NetIncomeLossPerShareTables",
     "shortName": "Net Income (Loss) Per Share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2305301 - Disclosure - Securities Available for Sale (Tables)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables",
     "shortName": "Securities Available for Sale (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2306301 - Disclosure - Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings (Tables)",
     "role": "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsTables",
     "shortName": "Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2307301 - Disclosure - Securitizations and Variable Interest Entities (Tables)",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables",
     "shortName": "Securitizations and Variable Interest Entities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2308301 - Disclosure - Fair Value of Assets and Liabilities (Tables)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
     "shortName": "Fair Value of Assets and Liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2309301 - Disclosure - Property, Equipment and Software, Net (Tables)",
     "role": "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetTables",
     "shortName": "Property, Equipment and Software, Net (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfOtherAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2310301 - Disclosure - Other Assets (Tables)",
     "role": "http://www.lendingclub.com/role/OtherAssetsTables",
     "shortName": "Other Assets (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfOtherAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestIncomeOperating",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002000 - Statement - Condensed Consolidated Statements of Operations",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
     "shortName": "Condensed Consolidated Statements of Operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestIncomeOperating",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2312301 - Disclosure - Accrued Expenses and Other Liabilities (Tables)",
     "role": "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesTables",
     "shortName": "Accrued Expenses and Other Liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2337301 - Disclosure - Employee Incentive Plans (Tables)",
     "role": "http://www.lendingclub.com/role/EmployeeIncentivePlansTables",
     "shortName": "Employee Incentive Plans (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "lc:LesseeSupplementalBalanceSheetInformationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2339301 - Disclosure - Leases (Tables)",
     "role": "http://www.lendingclub.com/role/LeasesTables",
     "shortName": "Leases (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "lc:LesseeSupplementalBalanceSheetInformationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2341301 - Disclosure - Restructuring Costs Restructuring and Related Activities (Tables)",
     "role": "http://www.lendingclub.com/role/RestructuringCostsRestructuringAndRelatedActivitiesTables",
     "shortName": "Restructuring Costs Restructuring and Related Activities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:DisaggregationOfRevenueTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_TimingOfTransferOfGoodOrServiceAxis_us-gaap_TransferredOverTimeMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403402 - Disclosure - Revenue from Contracts with Customers - Disaggregation of Revenue by Source (Details)",
     "role": "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails",
     "shortName": "Revenue from Contracts with Customers - Disaggregation of Revenue by Source (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:DisaggregationOfRevenueTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_TimingOfTransferOfGoodOrServiceAxis_us-gaap_TransferredOverTimeMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProvisionForDoubtfulAccounts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403403 - Disclosure - Revenue from Contracts with Customers - Additional Information (Details)",
     "role": "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
     "shortName": "Revenue from Contracts with Customers - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProvisionForDoubtfulAccounts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404402 - Disclosure - Net Income (Loss) Per Share - Basic and Diluted Net Income (Loss) per Share (Detail)",
     "role": "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
     "shortName": "Net Income (Loss) Per Share - Basic and Diluted Net Income (Loss) per Share (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "I2020Q1Mar20",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404403 - Disclosure - Net Income (Loss) Per Share - Conversion of Shares (Details)",
     "role": "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
     "shortName": "Net Income (Loss) Per Share - Conversion of Shares (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "I2020Q1Mar20_us-gaap_StatementClassOfStockAxis_us-gaap_PreferredClassAMember",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:PreferredStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404404 - Disclosure - Net Income (Loss) Per Share - Shares Excluded from Calculation of Earnings (Loss) per Share (Details)",
     "role": "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails",
     "shortName": "Net Income (Loss) Per Share - Shares Excluded from Calculation of Earnings (Loss) per Share (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405402 - Disclosure - Securities Available for Sale - Amortized cost/fair value (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
     "shortName": "Securities Available for Sale - Amortized cost/fair value (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss)",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
     "shortName": "Condensed Consolidated Statements of Comprehensive Income (Loss)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405403 - Disclosure - Securities Available for Sale - Continuous loss (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
     "shortName": "Securities Available for Sale - Continuous loss (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405404 - Disclosure - Securities Available for Sale - Maturities (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails",
     "shortName": "Securities Available for Sale - Maturities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q1",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405405 - Disclosure - Securities Available for Sale - Allowance for Credit Losses (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
     "shortName": "Securities Available for Sale - Allowance for Credit Losses (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:DebtSecuritiesAvailableforsalePurchasedwithCreditDeteriorationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405406 - Disclosure - Securities Available for Sale - Securities Purchased with Credit Deterioration (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails",
     "shortName": "Securities Available for Sale - Securities Purchased with Credit Deterioration (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:DebtSecuritiesAvailableforsalePurchasedwithCreditDeteriorationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2019Q2YTD",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405407 - Disclosure - Securities Available for Sale - Additional information (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
     "shortName": "Securities Available for Sale - Additional information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2019Q2YTD",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405408 - Disclosure - Securities Available for Sale - Proceeds and Gross Realized Gains and Losses from Sales of Other Securities Available for Sale (Details)",
     "role": "http://www.lendingclub.com/role/SecuritiesAvailableForSaleProceedsAndGrossRealizedGainsAndLossesFromSalesOfOtherSecuritiesAvailableForSaleDetails",
     "shortName": "Securities Available for Sale - Proceeds and Gross Realized Gains and Losses from Sales of Other Securities Available for Sale (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleRealizedGain",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LoansReceivableFairValueDisclosure",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406402 - Disclosure - Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings (Detail)",
     "role": "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
     "shortName": "Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:ScheduleofOutstandingPrincipalBalanceofNotesCertificatesandSecuredBorrowingsatFairValueTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:NotesPayableFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:PastDueFinancingReceivablesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lc_LoansHeldforInvestmentMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:FairValueOptionLoansHeldAsAssets90DaysOrMoreandNonaccrualOutstandingPrincipalBalance",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406403 - Disclosure - Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings - Past Due Table (Details)",
     "role": "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails",
     "shortName": "Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings - Past Due Table (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:PastDueFinancingReceivablesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lc_LoansHeldforInvestmentMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:FairValueOptionLoansHeldAsAssets90DaysOrMoreandNonaccrualOutstandingPrincipalBalance",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:PayabletoStructuredProgramNoteandCertificateHoldersatFairValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406404 - Disclosure - Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings - Additional Information (Detail)",
     "role": "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
     "shortName": "Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "us-gaap:PastDueFinancingReceivablesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lc_LoansandLoansHeldforSaleMember",
      "decimals": null,
      "lang": "en-US",
      "name": "lc:NonAccrualLoansNumberOfDaysThreshold",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407402 - Disclosure - Securitizations and Variable Interest Entities - Summary of Select Information Related to VIEs (Details)",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
     "shortName": "Securitizations and Variable Interest Entities - Summary of Select Information Related to VIEs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_lc_InvestmentsbyConsolidatedandNonconsolidatedEntitiesAxis_lc_AllVariableInterestEntitiesMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:RestrictedCashAndCashEquivalents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2018Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:SharesOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004000 - Statement - Condensed Consolidated Statements of Changes in Equity Statement",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
     "shortName": "Condensed Consolidated Statements of Changes in Equity Statement",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2018Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:SharesOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:Assets",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407403 - Disclosure - Securitizations and Variable Interest Entities - Summary of Financial Asset and Liability Involvement with Consolidated VIEs (Details)",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
     "shortName": "Securitizations and Variable Interest Entities - Summary of Financial Asset and Liability Involvement with Consolidated VIEs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_lc_InvestmentsbyConsolidatedandNonconsolidatedEntitiesAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember",
      "decimals": "-3",
      "lang": null,
      "name": "lc:VariableInterestEntityCarryingAmountAssetsandLiabilitiesNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_lc_InvestmentsbyConsolidatedandNonconsolidatedEntitiesAxis_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407404 - Disclosure - Securitizations and Variable Interest Entities - Unconsolidated VIEs with Significant Continuing Involvement (Details)",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails",
     "shortName": "Securitizations and Variable Interest Entities - Unconsolidated VIEs with Significant Continuing Involvement (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_lc_InvestmentsbyConsolidatedandNonconsolidatedEntitiesAxis_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:ScheduleofActivityRelatedtoPersonalWholeLoanSecuritizationsTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_TransactionTypeAxis_lc_UnconsolidatedSecuritizationTrustsMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:PrincipalAmountOutstandingonLoansSecuritizedorAssetbackedFinancingArrangementDerecognizedduringPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407405 - Disclosure - Securitizations and Variable Interest Entities - Summary of Personal Whole Loan Securitizations and Sales (Details)",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails",
     "shortName": "Securitizations and Variable Interest Entities - Summary of Personal Whole Loan Securitizations and Sales (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:ScheduleofActivityRelatedtoPersonalWholeLoanSecuritizationsTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_TransactionTypeAxis_lc_UnconsolidatedSecuritizationTrustsMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:PrincipalAmountOutstandingonLoansSecuritizedorAssetbackedFinancingArrangementDerecognizedduringPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_FinancialInstrumentAxis_us-gaap_ConsumerLoanMember",
      "decimals": "-8",
      "first": true,
      "lang": null,
      "name": "us-gaap:PrincipalAmountOutstandingOnLoansSecuritized",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407406 - Disclosure - Securitizations and Variable Interest Entities - Off-balance Sheet Loans Sold or Securitized (Details)",
     "role": "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails",
     "shortName": "Securitizations and Variable Interest Entities - Off-balance Sheet Loans Sold or Securitized (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_FinancialInstrumentAxis_us-gaap_ConsumerLoanMember",
      "decimals": "-8",
      "first": true,
      "lang": null,
      "name": "us-gaap:PrincipalAmountOutstandingOnLoansSecuritized",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LoansReceivableFairValueDisclosure",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408402 - Disclosure - Fair Value of Assets and Liabilities - Loans, Loan Servicing Rights, Related Notes and Certificates (Detail)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
     "shortName": "Fair Value of Assets and Liabilities - Loans, Loan Servicing Rights, Related Notes and Certificates (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "lang": null,
      "name": "lc:ContractwithCustomerLiabilityFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_ValuationTechniqueAxis_lc_ServicingAssetsMember",
      "decimals": "4",
      "first": true,
      "lang": null,
      "name": "lc:FairValueInputsMarketServicingRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408403 - Disclosure - Fair Value of Assets and Liabilities - Quantitative Information about Significant Unobservable Inputs Used for Fair Value Measurements (Detail)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
     "shortName": "Fair Value of Assets and Liabilities - Quantitative Information about Significant Unobservable Inputs Used for Fair Value Measurements (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_ValuationTechniqueAxis_lc_ServicingAssetsMember",
      "decimals": "4",
      "first": true,
      "lang": null,
      "name": "lc:FairValueInputsMarketServicingRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q1_us-gaap_FairValueByAssetClassAxis_lc_LoansHeldforInvestmentMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipal",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408404 - Disclosure - Fair Value of Assets and Liabilities - Additional Information about Loans, Notes, Certificates and Secured Borrowings Measured at Fair Value on Recurring Basis (Detail)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
     "shortName": "Fair Value of Assets and Liabilities - Additional Information about Loans, Notes, Certificates and Secured Borrowings Measured at Fair Value on Recurring Basis (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q1_us-gaap_FairValueByAssetClassAxis_lc_LoansHeldforInvestmentMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipal",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2019Q4",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ServicingAssetAtFairValueAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408405 - Disclosure - Fair Value of Assets and Liabilities - Additional Information about Servicing Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
     "shortName": "Fair Value of Assets and Liabilities - Additional Information about Servicing Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ServicingAssetAtFairValueAdditions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408406 - Disclosure - Fair Value of Assets and Liabilities - Sensitivity of Fair Value of Loans Invested in by the Company, Asset-backed Securities Related to Structured Program Transactions and Servicing Assets (Details)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
     "shortName": "Fair Value of Assets and Liabilities - Sensitivity of Fair Value of Loans Invested in by the Company, Asset-backed Securities Related to Structured Program Transactions and Servicing Assets (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfSensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrServicingLiabilitiesTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ServicingAssetAtFairValueAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "4",
      "first": true,
      "lang": null,
      "name": "lc:FairValueInputsMarketServicingRateIncludingAncillaryFeesServicingAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408407 - Disclosure - Fair Value of Assets and Liabilities - Additional Information about Servicing Assets and Liabilities Measured Using Different Market Servicing Rates and Different Prepayment (Details)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
     "shortName": "Fair Value of Assets and Liabilities - Additional Information about Servicing Assets and Liabilities Measured Using Different Market Servicing Rates and Different Prepayment (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "4",
      "first": true,
      "lang": null,
      "name": "lc:FairValueInputsMarketServicingRateIncludingAncillaryFeesServicingAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005000 - Statement - Condensed Consolidated Statements of Cash Flows",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows",
     "shortName": "Condensed Consolidated Statements of Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": "-3",
      "lang": null,
      "name": "lc:IncreaseDecreaseinFairValueofLoanServicingAssetsandLiabilities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q1_us-gaap_FairValueByLiabilityClassAxis_lc_LoanTrailingFeeLiabilityMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408408 - Disclosure - Fair Value of Assets and Liabilities - Trailing Fee Liability (Details)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails",
     "shortName": "Fair Value of Assets and Liabilities - Trailing Fee Liability (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q1_us-gaap_FairValueByLiabilityClassAxis_lc_LoanTrailingFeeLiabilityMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AssetsFairValueDisclosure",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408409 - Disclosure - Fair Value of Assets and Liabilities - Not Measured at Fair Value (Details)",
     "role": "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails",
     "shortName": "Fair Value of Assets and Liabilities - Not Measured at Fair Value (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:CapitalizedSoftwareDevelopmentCostsForInternalUseSoftware",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409402 - Disclosure - Property, Equipment and Software, Net (Detail)",
     "role": "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail",
     "shortName": "Property, Equipment and Software, Net (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:CapitalizedSoftwareDevelopmentCostsForInternalUseSoftware",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R73": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DepreciationDepletionAndAmortization",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409403 - Disclosure - Property, Equipment and Software, Net - Additional Information (Detail)",
     "role": "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail",
     "shortName": "Property, Equipment and Software, Net - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_PropertyPlantAndEquipmentOtherTypesMember",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:DepreciationDepletionAndAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R74": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfOtherAssetsTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherAssets",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2410402 - Disclosure - Other Assets (Detail)",
     "role": "http://www.lendingclub.com/role/OtherAssetsDetail",
     "shortName": "Other Assets (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfOtherAssetsTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_BalanceSheetLocationAxis_lc_LoanServicingAssetFairValueMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OtherAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R75": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411401 - Disclosure - Intangible Assets - Additional Information (Detail)",
     "role": "http://www.lendingclub.com/role/IntangibleAssetsAdditionalInformationDetail",
     "shortName": "Intangible Assets - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:AmortizationOfIntangibleAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R76": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:TransactionFeeRefundReserve",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2412402 - Disclosure - Accrued Expenses and Other Liabilities (Detail)",
     "role": "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail",
     "shortName": "Accrued Expenses and Other Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:TransactionFeeRefundReserve",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R77": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "lc:PayabletoStructuredProgramNoteandCertificateHoldersatFairValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2413401 - Disclosure - Debt (Details)",
     "role": "http://www.lendingclub.com/role/DebtDetails",
     "shortName": "Debt (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:LineOfCredit",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R78": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:PreferredStockSharesAuthorized",
      "reportCount": 1,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2428401 - Disclosure - Stockholders' Equity - Additional Information (Detail)",
     "role": "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail",
     "shortName": "Stockholders' Equity - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": "INF",
      "lang": null,
      "name": "lc:ThresholdofEquityInterestinCompanyTriggeringDilutionPercent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R79": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2437402 - Disclosure - Employee Incentive Plans - Schedule of Stock-Based Compensation Expense Recorded for Stock Options, Warrants and Series F Convertible Preferred Stock (Detail)",
     "role": "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
     "shortName": "Employee Incentive Plans - Schedule of Stock-Based Compensation Expense Recorded for Stock Options, Warrants and Series F Convertible Preferred Stock (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_IncomeStatementLocationAxis_us-gaap_SellingAndMarketingExpenseMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005001 - Statement - Condensed Consolidated Statements of Cash Flows (Parenthetical)",
     "role": "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical",
     "shortName": "Condensed Consolidated Statements of Cash Flows (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R80": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2437403 - Disclosure - Employee Incentive Plans - Additional Information (Detail)",
     "role": "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
     "shortName": "Employee Incentive Plans - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_SoftwareDevelopmentMember",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R81": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2019Q4_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2437404 - Disclosure - Employee Incentive Plans - RSU and PBRSU Activity and Weighted Average Grant Date Fair Value table (Details)",
     "role": "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails",
     "shortName": "Employee Incentive Plans - RSU and PBRSU Activity and Weighted Average Grant Date Fair Value table (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2019Q4_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R82": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2438401 - Disclosure - Income Taxes Income Taxes (Details)",
     "role": "http://www.lendingclub.com/role/IncomeTaxesIncomeTaxesDetails",
     "shortName": "Income Taxes Income Taxes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R83": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:VariableLeaseCost",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439402 - Disclosure - Leases (Details)",
     "role": "http://www.lendingclub.com/role/LeasesDetails",
     "shortName": "Leases (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "lang": "en-US",
      "name": "lc:NoticeRequiredforTerminationofLease",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R84": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:LesseeSupplementalBalanceSheetInformationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseRightOfUseAsset",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439403 - Disclosure - Leases - Supplemental Balance Sheet Information (Details)",
     "role": "http://www.lendingclub.com/role/LeasesSupplementalBalanceSheetInformationDetails",
     "shortName": "Leases - Supplemental Balance Sheet Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R85": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LeaseCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439404 - Disclosure - Leases - Net Lease Costs (Details)",
     "role": "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails",
     "shortName": "Leases - Net Lease Costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LeaseCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R86": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:LesseeSupplementalCashFlowInformationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439405 - Disclosure - Leases - Supplemental Cash Flow Information (Details)",
     "role": "http://www.lendingclub.com/role/LeasesSupplementalCashFlowInformationDetails",
     "shortName": "Leases - Supplemental Cash Flow Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:LesseeSupplementalCashFlowInformationTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R87": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439406 - Disclosure - Leases - Future Operating Lease Payments and Sublease Revenue (Details)",
     "role": "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails",
     "shortName": "Leases - Future Operating Lease Payments and Sublease Revenue (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R88": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:LesseeWeightedaverageRemainingLeaseTermandDiscountRateTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439407 - Disclosure - Leases - Weighted-average Lease Term and Discount Rate (Details)",
     "role": "http://www.lendingclub.com/role/LeasesWeightedAverageLeaseTermAndDiscountRateDetails",
     "shortName": "Leases - Weighted-average Lease Term and Discount Rate (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "lc:LesseeWeightedaverageRemainingLeaseTermandDiscountRateTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R89": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2020Q2",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "lc:ContingentLoanPurchaseCommitmentLimit",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2440401 - Disclosure - Commitments and Contingencies - Additional Information (Detail)",
     "role": "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail",
     "shortName": "Commitments and Contingencies - Additional Information (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FI2019Q4",
      "decimals": "-5",
      "lang": null,
      "name": "lc:ContingentLoanPurchaseCommitmentLimit",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101100 - Disclosure - Basis of Presentation",
     "role": "http://www.lendingclub.com/role/BasisOfPresentation",
     "shortName": "Basis of Presentation",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R90": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringCosts",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2441402 - Disclosure - Restructuring Costs - Additional Information (Details)",
     "role": "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
     "shortName": "Restructuring Costs - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "D2020Q2Apr21_us-gaap_RestructuringPlanAxis_lc_A2020RestructuringPlanMember",
      "decimals": "2",
      "lang": null,
      "name": "us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R91": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestructuringCosts",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2441403 - Disclosure - Restructuring Costs (Details)",
     "role": "http://www.lendingclub.com/role/RestructuringCostsDetails",
     "shortName": "Restructuring Costs (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2QTD_us-gaap_IncomeStatementLocationAxis_us-gaap_SellingAndMarketingExpenseMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:RestructuringCosts",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R92": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2442401 - Disclosure - Segment Reporting (Details)",
     "role": "http://www.lendingclub.com/role/SegmentReportingDetails",
     "shortName": "Segment Reporting (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     }
    },
    "R93": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "I2020Q1Mar20",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2443401 - Disclosure - Related Party Transactions - Summary of Deposits and Withdrawals Made by Related Parties (Detail)",
     "role": "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
     "shortName": "Related Party Transactions - Summary of Deposits and Withdrawals Made by Related Parties (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "q22010q.htm",
      "contextRef": "FD2020Q2YTD_srt_CounterpartyNameAxis_lc_RelatedPartyFundMember_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_srt_AffiliatedEntityMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:InterestExpenseRelatedParty",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 148,
   "tag": {
    "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY 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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentQuarterlyReport": {
     "auth_ref": [
      "r443"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r444"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
        "label": "Entity [Domain]",
        "terseLabel": "Entity [Domain]"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r446"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r445"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity [Axis]"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r441"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r442"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CoverPage"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "lc_A2020RestructuringPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "2020 Restructuring Plan [Member]",
        "label": "2020 Restructuring Plan [Member]",
        "terseLabel": "2020 Restructuring Plan"
       }
      }
     },
     "localname": "A2020RestructuringPlanMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AccruedInterestReceivableonLoansPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accrued Interest Receivable on Loans [Policy Text Block]",
        "label": "Accrued Interest Receivable on Loans [Policy Text Block]",
        "terseLabel": "Accrued Interest Receivable on Loans"
       }
      }
     },
     "localname": "AccruedInterestReceivableonLoansPolicyTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_AcquisitionrelatedAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Acquisition-related Agreements [Member]",
        "label": "Acquisition-related Agreements [Member]",
        "terseLabel": "Acquisition-related Agreements"
       }
      }
     },
     "localname": "AcquisitionrelatedAgreementsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AdjustedEurocurrencyRatePlus1Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Adjusted Eurocurrency Rate Plus 1% [Member]",
        "label": "Adjusted Eurocurrency Rate Plus 1% [Member]",
        "terseLabel": "Adjusted Eurocurrency Rate Plus 1%"
       }
      }
     },
     "localname": "AdjustedEurocurrencyRatePlus1Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AllVariableInterestEntitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "All Variable Interest Entities [Member]",
        "label": "All Variable Interest Entities [Member]",
        "terseLabel": "Total"
       }
      }
     },
     "localname": "AllVariableInterestEntitiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsCLUBTransactionsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Securities Related to Structured Program Transactions, CLUB Transactions [Member]",
        "label": "Asset-backed Securities Related to Structured Program Transactions, CLUB Transactions [Member]",
        "terseLabel": "Asset-backed Securities Related to Structured Program Transactions, CLUB Transactions [Member]"
       }
      }
     },
     "localname": "AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsCLUBTransactionsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Securities Related to Structured Program Transactions [Member]",
        "label": "Asset-backed Securities Related to Structured Program Transactions [Member]",
        "terseLabel": "Asset-backed Securities Related to Structured Program Transactions"
       }
      }
     },
     "localname": "AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsSeniorSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Securities Related to Structured Program Transactions, Senior Securities [Member]",
        "label": "Asset-backed Securities Related to Structured Program Transactions, Senior Securities [Member]",
        "terseLabel": "Asset-backed Securities Related to Structured Program Transactions, Senior Securities"
       }
      }
     },
     "localname": "AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsSeniorSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsSubordinatedResidualCertificatesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Securities Related to Structured Program Transactions, Subordinated Residual Certificates [Member]",
        "label": "Asset-backed Securities Related to Structured Program Transactions, Subordinated Residual Certificates [Member]",
        "terseLabel": "Asset-backed Securities Related to Structured Program Transactions, Subordinated Securities"
       }
      }
     },
     "localname": "AssetbackedSecuritiesRelatedtoStructuredProgramTransactionsSubordinatedResidualCertificatesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSecuritiesSecuritizedLoansandReceivablesSubjecttoRestrictionsonTransferMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Securities, Securitized Loans and Receivables, Subject to Restrictions on Transfer [Member]",
        "label": "Asset-backed Securities, Securitized Loans and Receivables, Subject to Restrictions on Transfer [Member]",
        "terseLabel": "Asset-backed securities, securitized loans and receivables, subject to restrictions on transfer"
       }
      }
     },
     "localname": "AssetbackedSecuritiesSecuritizedLoansandReceivablesSubjecttoRestrictionsonTransferMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSeniorSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Senior Securities [Member]",
        "label": "Asset-backed Senior Securities [Member]",
        "verboseLabel": "Asset-backed senior securities"
       }
      }
     },
     "localname": "AssetbackedSeniorSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSeniorSecuritiesandSubordinatedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Senior Securities and Subordinated Securities\n [Member]",
        "label": "Asset-backed Senior Securities and Subordinated Securities [Member]",
        "terseLabel": "Asset-backed senior securities and subordinated securities"
       }
      }
     },
     "localname": "AssetbackedSeniorSecuritiesandSubordinatedSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetbackedSubordinatedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset-backed Subordinated Securities [Member]",
        "label": "Asset-backed Subordinated Securities [Member]",
        "terseLabel": "Asset-backed subordinated securities related to Company-sponsored Structured Program transactions",
        "verboseLabel": "Asset-backed subordinated securities"
       }
      }
     },
     "localname": "AssetbackedSubordinatedSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AssetsSoldunderRepurchaseAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Assets Sold under Repurchase Agreements [Member]",
        "label": "Assets Sold under Repurchase Agreements [Member]",
        "terseLabel": "Assets Sold under Repurchase Agreements"
       }
      }
     },
     "localname": "AssetsSoldunderRepurchaseAgreementsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_AutoLoanWarehouseCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Auto Loan Warehouse Credit Facility [Member]",
        "label": "Auto Loan Warehouse Credit Facility [Member]",
        "terseLabel": "Auto Loan Warehouse Credit Facility"
       }
      }
     },
     "localname": "AutoLoanWarehouseCreditFacilityMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_BeneficialConversionFeaturePolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Beneficial Conversion Feature [Policy Text Block]",
        "label": "Beneficial Conversion Feature [Policy Text Block]",
        "terseLabel": "Beneficial Conversion Feature"
       }
      }
     },
     "localname": "BeneficialConversionFeaturePolicyTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_CLUBCertificateAssetbackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "CLUB Certificate Asset-backed Securities [Member]",
        "label": "CLUB Certificate Asset-backed Securities [Member]",
        "terseLabel": "CLUB Certificate asset-backed securities"
       }
      }
     },
     "localname": "CLUBCertificateAssetbackedSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_CapitalizedSoftwareDevelopmentCostsForInternalUseSoftware": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Capitalized Software Development Costs For Internal Use Software",
        "label": "Capitalized Software Development Costs For Internal Use Software",
        "terseLabel": "Internally developed software"
       }
      }
     },
     "localname": "CapitalizedSoftwareDevelopmentCostsForInternalUseSoftware",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CertificateProgramMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Certificate Program [Member]",
        "label": "Certificate Program [Member]",
        "terseLabel": "Certificate Program"
       }
      }
     },
     "localname": "CertificateProgramMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_CertificatesFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail": {
       "order": 2.0,
       "parentTag": "lc_NotesAndCertificatesAtFairValue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Certificates, Fair Value Disclosure",
        "label": "Certificates, Fair Value Disclosure",
        "terseLabel": "Certificates"
       }
      }
     },
     "localname": "CertificatesFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CollectionofChargedOffLoansforNotesandCertificates": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collection of Charged Off Loans for Notes and Certificates",
        "label": "Collection of Charged Off Loans for Notes and Certificates",
        "negatedTotalLabel": "Fair Value, Charge-offs"
       }
      }
     },
     "localname": "CollectionofChargedOffLoansforNotesandCertificates",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CollectionofChargedOffLoansforNotesandCertificatesPrincipal": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "lc_CollectionofChargedOffLoansforNotesandCertificates",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collection of Charged Off Loans for Notes and Certificates Principal",
        "label": "Collection of Charged Off Loans for Notes and Certificates Principal",
        "negatedTerseLabel": "Outstanding Principal Balance, Charge-offs"
       }
      }
     },
     "localname": "CollectionofChargedOffLoansforNotesandCertificatesPrincipal",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CollectionofChargedOffLoansforNotesandCertificatesValuationAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "lc_CollectionofChargedOffLoansforNotesandCertificates",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collection of Charged Off Loans for Notes and Certificates Valuation Adjustment",
        "label": "Collection of Charged Off Loans for Notes and Certificates Valuation Adjustment",
        "terseLabel": "Valuation Adjustment, Charge-offs"
       }
      }
     },
     "localname": "CollectionofChargedOffLoansforNotesandCertificatesValuationAdjustment",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CommitmentsAndContingenciesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commitments and contingencies.",
        "label": "Commitments and Contingencies [Line Items]",
        "terseLabel": "Commitments and Contingencies [Line Items]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesLineItems",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_CommitmentsAndContingenciesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commitments and contingencies.",
        "label": "Commitments and Contingencies [Table]",
        "terseLabel": "Commitments and Contingencies [Table]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesTable",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_ContingentLoanPurchaseCommitmentLimit": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of contingent loan purchase commitment limit as of the reporting period.",
        "label": "Contingent Loan Purchase Commitment Limit",
        "terseLabel": "Contingent loan purchase commitment limit"
       }
      }
     },
     "localname": "ContingentLoanPurchaseCommitmentLimit",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ContractwithCustomerLiabilityFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contract with Customer, Liability, Fair Value",
        "label": "Contract with Customer, Liability, Fair Value",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "ContractwithCustomerLiabilityFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CreditFacilitiesandSecuritiesSoldUnderRepurchaseAgreements": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Credit Facilities and Securities Sold Under Repurchase Agreements",
        "label": "Credit Facilities and Securities Sold Under Repurchase Agreements",
        "verboseLabel": "Credit facilities and securities sold under repurchase agreements"
       }
      }
     },
     "localname": "CreditFacilitiesandSecuritiesSoldUnderRepurchaseAgreements",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CreditFacilitiesandSecuritiesSoldunderRepurchaseAgreementsFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Credit Facilities and Securities Sold under Repurchase Agreements, Fair Value Disclosure",
        "label": "Credit Facilities and Securities Sold under Repurchase Agreements, Fair Value Disclosure",
        "terseLabel": "Credit facilities and securities sold under repurchase agreements"
       }
      }
     },
     "localname": "CreditFacilitiesandSecuritiesSoldunderRepurchaseAgreementsFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_CreditFacilitiesandSecuritiesSoldunderRepurchaseAgreementsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Credit Facilities and Securities Sold under Repurchase Agreements [Member]",
        "label": "Credit Facilities and Securities Sold under Repurchase Agreements [Member]",
        "terseLabel": "Credit Facilities and Securities Sold under Repurchase Agreements"
       }
      }
     },
     "localname": "CreditFacilitiesandSecuritiesSoldunderRepurchaseAgreementsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_CreditFacilityLoanAgingLimit": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Credit Facility, Loan Aging Limit",
        "label": "Credit Facility, Loan Aging Limit",
        "terseLabel": "Credit facility, loan aging limit"
       }
      }
     },
     "localname": "CreditFacilityLoanAgingLimit",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_CreditFacilityReductioninAdvanceRateafterLoanAgingLimitMet": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Credit Facility, Reduction in Advance Rate after Loan Aging Limit Met",
        "label": "Credit Facility, Reduction in Advance Rate after Loan Aging Limit Met",
        "terseLabel": "Credit facility, reduction in advance rate after loan aging limit is met (percent)"
       }
      }
     },
     "localname": "CreditFacilityReductioninAdvanceRateafterLoanAgingLimitMet",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_DebtOutstandingunderRepurchaseAgreementContractualRepurchaseDate1Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Outstanding under Repurchase Agreement, Contractual Repurchase Date 1 [Member]",
        "label": "Debt Outstanding under Repurchase Agreement, Contractual Repurchase Date 1 [Member]",
        "terseLabel": "Contractual Repurchase Dates Ranging from May 2020 to December 2026"
       }
      }
     },
     "localname": "DebtOutstandingunderRepurchaseAgreementContractualRepurchaseDate1Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_DebtOutstandingunderRepurchaseAgreementContractualRepurchaseDate2Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Outstanding under Repurchase Agreement, Contractual Repurchase Date 2",
        "label": "Debt Outstanding under Repurchase Agreement, Contractual Repurchase Date 2 [Member]",
        "terseLabel": "Contractual Repurchase Date in May 2020"
       }
      }
     },
     "localname": "DebtOutstandingunderRepurchaseAgreementContractualRepurchaseDate2Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_DebtSecuritiesAvailableforSalePolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Securities, Available for Sale [Policy Text Block]",
        "label": "Debt Securities, Available for Sale [Policy Text Block]",
        "terseLabel": "Securities Available for Sale"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableforSalePolicyTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_DebtSecuritiesAvailableforsalePurchasedwithCreditDeteriorationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Securities, Available-for-sale, Purchased with Credit Deterioration [Table Text Block]",
        "label": "Debt Securities, Available-for-sale, Purchased with Credit Deterioration [Table Text Block]",
        "terseLabel": "Available-for-sale Securities Purchased with Credit Deterioration"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableforsalePurchasedwithCreditDeteriorationTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_DebtSecuritiesAvailableforsaleRetaineduponSettlement": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Securities, Available-for-sale, Retained upon Settlement",
        "label": "Debt Securities, Available-for-sale, Retained upon Settlement",
        "terseLabel": "Fair value of asset-backed senior and subordinated securities, and CLUB Certificate asset-backed securities retained upon settlement"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableforsaleRetaineduponSettlement",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_DecreaseInOperatingLeaseRightofuseAsset": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Decrease In Operating Lease, Right-of-use Asset",
        "label": "Decrease In Operating Lease, Right-of-use Asset",
        "terseLabel": "Decrease In operating lease asset"
       }
      }
     },
     "localname": "DecreaseInOperatingLeaseRightofuseAsset",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_DecreaseinOperatingLeaseLiability": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Decrease in Operating Lease Liability",
        "label": "Decrease in Operating Lease Liability",
        "terseLabel": "Reduction in operating lease liability"
       }
      }
     },
     "localname": "DecreaseinOperatingLeaseLiability",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_DeferredFinancingCostsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Deferred Financing Costs [Member]",
        "label": "Deferred Financing Costs [Member]",
        "terseLabel": "Deferred financing costs"
       }
      }
     },
     "localname": "DeferredFinancingCostsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_DepositAssetsFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Deposit Assets, Fair Value Disclosure",
        "label": "Deposit Assets, Fair Value Disclosure",
        "terseLabel": "Deposits"
       }
      }
     },
     "localname": "DepositAssetsFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_EngineeringandProductDevelopmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Engineering and Product Development [Member]",
        "label": "Engineering and Product Development [Member]",
        "terseLabel": "Engineering and product development"
       }
      }
     },
     "localname": "EngineeringandProductDevelopmentMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_ExchangeofCommonStockforPreferredStock": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Exchange of Common Stock for Preferred Stock",
        "label": "Exchange of Common Stock for Preferred Stock",
        "terseLabel": "Exchange of common stock for preferred stock"
       }
      }
     },
     "localname": "ExchangeofCommonStockforPreferredStock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueAdjustmentsLoansNotesAndCertificatesNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Adjustments Loans Notes and Certificates Net",
        "label": "Fair Value Adjustments Loans Notes and Certificates Net",
        "negatedLabel": "Net fair value adjustments",
        "terseLabel": "Net fair value adjustments"
       }
      }
     },
     "localname": "FairValueAdjustmentsLoansNotesAndCertificatesNet",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Table [Table Text Block]",
        "label": "Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Table [Table Text Block]",
        "terseLabel": "Fair Value of Assets Measured on a Recurring Basis"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_FairValueDisclosureAndMeasurementTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Disclosure And Measurement [Table Text Block]",
        "label": "Fair Value Disclosure And Measurement [Table Text Block]",
        "terseLabel": "Fair Value Disclosure And Measurement"
       }
      }
     },
     "localname": "FairValueDisclosureAndMeasurementTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]",
        "label": "Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]",
        "terseLabel": "Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]"
       }
      }
     },
     "localname": "FairValueInputsAssetsAndLiabilitiesQuantitativeInformationLineItems",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value inputs assets and liabilities quantitative information.",
        "label": "Fair Value Inputs Assets And Liabilities Quantitative Information [Table]",
        "terseLabel": "Fair Value Inputs Assets And Liabilities Quantitative Information [Table]"
       }
      }
     },
     "localname": "FairValueInputsAssetsAndLiabilitiesQuantitativeInformationTable",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_FairValueInputsMarketServicingRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Inputs Market Servicing Rate",
        "label": "Fair Value Inputs Market Servicing Rate",
        "terseLabel": "Total market servicing rates (percent per annum on outstanding principal balance)"
       }
      }
     },
     "localname": "FairValueInputsMarketServicingRate",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_FairValueInputsMarketServicingRateIncludingAncillaryFeesServicingAssets": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Inputs, Market Servicing Rate Including Ancillary Fees, Servicing Assets",
        "label": "Fair Value Inputs, Market Servicing Rate Including Ancillary Fees, Servicing Assets",
        "terseLabel": "Weighted-average market servicing rate assumptions, servicing assets"
       }
      }
     },
     "localname": "FairValueInputsMarketServicingRateIncludingAncillaryFeesServicingAssets",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionofChargedOffLoans": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Collection of Charged Off Loans",
        "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Collection of Charged Off Loans",
        "negatedTotalLabel": "Fair Value, Charge-offs"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionofChargedOffLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipal": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal",
        "periodEndLabel": "Outstanding Principal Balance, Ending",
        "periodStartLabel": "Outstanding Principal Balance, Beginning"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipal",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalCollectionofChargedOffLoans": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionofChargedOffLoans",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Principal Collection of Charged Off Loans",
        "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Principal Collection of Charged Off Loans",
        "negatedTerseLabel": "Outstanding Principal Balance, Charge-offs"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalCollectionofChargedOffLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalGainLossIncludedinEarnings": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Gain (Loss) Included in Earnings",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Gain (Loss) Included in Earnings",
        "negatedTerseLabel": "Change in fair value recorded in earnings"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalGainLossIncludedinEarnings",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalIssuances": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Issuances",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Issuances",
        "terseLabel": "Outstanding Principal Balance, Issuance"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalIssuances",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalPurchases": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Purchases",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Purchases",
        "terseLabel": "Outstanding Principal Balance, Purchases"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalPurchases",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalSales": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Sales",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Sales",
        "negatedTerseLabel": "Outstanding Principal Balance, Sales",
        "terseLabel": "Outstanding Principal Balance, Sales"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalSales",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalSettlements": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Settlements",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Settlements",
        "negatedLabel": "Outstanding Principal Balance, Principal payments and retirements"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalSettlements",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalTransfers": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Transfers",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Principal, Transfers",
        "verboseLabel": "Outstanding Principal Balance, Transfers (to) from loans held for investment and/or loans held for sale"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPrincipalTransfers",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetTransfers": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers",
        "totalLabel": "Fair Value, Transfers from loans to loans held for sale"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetTransfers",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Valuation Adjustment",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Valuation Adjustment",
        "negatedPeriodEndLabel": "Valuation Adjustment, Ending",
        "negatedPeriodStartLabel": "Valuation Adjustment, Beginning"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustment",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentCollectionofChargedOffLoans": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetCollectionofChargedOffLoans",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Valuation Adjustment Collection of Charged Off Loans",
        "label": "Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Valuation Adjustment Collection of Charged Off Loans",
        "terseLabel": "Charge-offs, net of recoveries"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentCollectionofChargedOffLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentGainLossIncludedinEarnings": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Gain (Loss) Included in Earnings",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Gain (Loss) Included in Earnings",
        "terseLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Gain (Loss) Included in Earnings",
        "verboseLabel": "Net change in fair value recorded in earnings on loans invested in by the Company"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentGainLossIncludedinEarnings",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentIssuances": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Issuances",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Issuances",
        "negatedLabel": "Valuation Adjustment, Issuances"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentIssuances",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentPurchases": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Purchases",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Purchases",
        "negatedTerseLabel": "Valuation Adjustment, Purchases"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentPurchases",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentSales": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Sales",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Sales",
        "terseLabel": "Valuation Adjustment, Sales"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentSales",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentSettlements": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Settlements",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Settlements",
        "terseLabel": "Valuation Adjustment, Principal payments"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentSettlements",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentTransfers": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Transfers",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Valuation Adjustment, Transfers",
        "negatedTerseLabel": "Valuation Adjustment, Transfers from loans to loans held for sale"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetValuationAdjustmentTransfers",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityAccruedInterest": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Accrued Interest",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Accrued Interest",
        "terseLabel": "Accrued interest"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityAccruedInterest",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityChargeoffs": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Charge-offs",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Charge-offs",
        "negatedTerseLabel": "Other-than-temporary impairment"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityChargeoffs",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalGainLossIncludedinEarnings": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Gain (Loss) Included in Earnings",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Gain (Loss) Included in Earnings",
        "terseLabel": "Outstanding Principal Balance, Change in fair value recorded in earnings"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalGainLossIncludedinEarnings",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalIssuances": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Issuances",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Issuances",
        "terseLabel": "Outstanding Principal Balance, Issuances"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalIssuances",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPurchases": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Purchases",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Purchases",
        "terseLabel": "Outstanding Principal Balance, Purchases"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalPurchases",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalSales": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Sales",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Sales",
        "negatedTerseLabel": "Outstanding Principal Balance, Sales"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalSales",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalSettlements": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Settlements",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Settlements",
        "negatedTerseLabel": "Outstanding Principal Balance, Principal payments and retirements"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalSettlements",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalTransfers": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Transfers",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Principal, Transfers",
        "terseLabel": "Outstanding Principal Balance, Beginning, Transfers"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPrincipalTransfers",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityProvisionforCreditRecoveryLossExpense": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Provision for Credit Recovery (Loss) Expense",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Provision for Credit Recovery (Loss) Expense",
        "terseLabel": "Provision for credit loss expense"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityProvisionforCreditRecoveryLossExpense",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityRetirements": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Retirements",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Retirements",
        "terseLabel": "Redemptions"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityRetirements",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentGainLossIncludedinEarnings": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Gain (Loss) Included in Earnings",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Gain (Loss) Included in Earnings",
        "negatedTerseLabel": "Valuation Adjustment, Change in fair value recorded in earnings"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentGainLossIncludedinEarnings",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentIssuances": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Issuances",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Issuances",
        "negatedLabel": "Valuation Adjustment, Issuances"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentIssuances",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentPurchases": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Purchases",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Purchases",
        "negatedTerseLabel": "Valuation Adjustment, Purchases"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentPurchases",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentSales": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Sales",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Sales",
        "terseLabel": "Valuation Adjustment, Sales"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentSales",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentSettlements": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Settlements",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Settlements",
        "terseLabel": "Valuation Adjustment, Principal payments and retirements"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentSettlements",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentTransfers": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Transfers",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Valuation Adjustment, Transfers",
        "negatedTerseLabel": "Valuation Adjustment, Transfers"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityValuationAdjustmentTransfers",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationsRecurringBasisLiabilityPrincipal": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Principal",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Principal",
        "periodEndLabel": "Outstanding Principal Balance, Ending",
        "periodStartLabel": "Outstanding Principal Balance, Beginning"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationsRecurringBasisLiabilityPrincipal",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueMeasurementwithUnobservableInputsReconciliationsRecurringBasisLiabilityValuationAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Valuation Adjustment",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Valuation Adjustment",
        "negatedPeriodEndLabel": "Valuation Adjustment, Ending",
        "negatedPeriodStartLabel": "Valuation Adjustment, Beginning"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationsRecurringBasisLiabilityValuationAdjustment",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueOptionLoansHeldAsAssets90DaysOrMoreandNonaccrualOutstandingPrincipalBalance": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails": {
       "order": 1.0,
       "parentTag": "lc_FairValueOptionLoansHeldasAssets90DaysorMorePastDueandNonaccrual",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Option Loans Held As Assets 90 Days Or More and Nonaccrual, Outstanding Principal Balance",
        "label": "Fair Value Option Loans Held As Assets 90 Days Or More and Nonaccrual, Outstanding Principal Balance",
        "terseLabel": "Outstanding principal balance"
       }
      }
     },
     "localname": "FairValueOptionLoansHeldAsAssets90DaysOrMoreandNonaccrualOutstandingPrincipalBalance",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueOptionLoansHeldasAssets90DaysorMorePastDueandNonaccrual": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due and Nonaccrual",
        "label": "Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due and Nonaccrual",
        "totalLabel": "Fair value"
       }
      }
     },
     "localname": "FairValueOptionLoansHeldasAssets90DaysorMorePastDueandNonaccrual",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_FairValueOptionLoansHeldasAssets90DaysorMorePastDueandNonaccrualAggregateDifference": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails": {
       "order": 2.0,
       "parentTag": "lc_FairValueOptionLoansHeldasAssets90DaysorMorePastDueandNonaccrual",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due and Nonaccrual, Aggregate Difference",
        "label": "Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due and Nonaccrual, Aggregate Difference",
        "terseLabel": "Net fair value adjustments"
       }
      }
     },
     "localname": "FairValueOptionLoansHeldasAssets90DaysorMorePastDueandNonaccrualAggregateDifference",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_GainLossonProceedsfromSalesofLoansNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Gain (Loss) on Proceeds from Sales of Loans, Net",
        "label": "Gain (Loss) on Proceeds from Sales of Loans, Net",
        "negatedLabel": "Gain on sales of loans"
       }
      }
     },
     "localname": "GainLossonProceedsfromSalesofLoansNet",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ImpairmentofInternallyDevelopedSoftwareMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Impairment of Internally Developed Software [Member]",
        "label": "Impairment of Internally Developed Software [Member]",
        "terseLabel": "Impairment of Internally Developed Software"
       }
      }
     },
     "localname": "ImpairmentofInternallyDevelopedSoftwareMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_IncreaseDecreaseInPayableToMemberLendersAndInvestors": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 16.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase Decrease In Payable To Member Lenders and Investors",
        "label": "Increase Decrease In Payable To Member Lenders and Investors",
        "terseLabel": "Change in payable to investors"
       }
      }
     },
     "localname": "IncreaseDecreaseInPayableToMemberLendersAndInvestors",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_IncreaseDecreaseinFairValueofLoanServicingAssetsandLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) in Fair Value of Loan Servicing Assets and Liabilities",
        "label": "Increase (Decrease) in Fair Value of Loan Servicing Assets and Liabilities",
        "terseLabel": "Change in fair value of loan servicing assets and liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseinFairValueofLoanServicingAssetsandLiabilities",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_InvestmentsbyConsolidatedandNonconsolidatedEntitiesAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investments by Consolidated and Nonconsolidated Entities [Axis]",
        "label": "Investments by Consolidated and Nonconsolidated Entities [Axis]",
        "terseLabel": "Investments by Consolidated and Nonconsolidated Entities [Axis]"
       }
      }
     },
     "localname": "InvestmentsbyConsolidatedandNonconsolidatedEntitiesAxis",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_InvestmentsbyConsolidatedandNonconsolidatedEntitiesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "[Domain] for Investments by Consolidated and Nonconsolidated Entities [Axis]",
        "label": "Investments by Consolidated and Nonconsolidated Entities [Domain]",
        "terseLabel": "Investments by Consolidated and Nonconsolidated Entities [Domain]"
       }
      }
     },
     "localname": "InvestmentsbyConsolidatedandNonconsolidatedEntitiesDomain",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_InvestorFeesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investor Fees [Member]",
        "label": "Investor Fees [Member]",
        "terseLabel": "Investor fees - Funds and SMAs"
       }
      }
     },
     "localname": "InvestorFeesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_InvestorLoanPurchaseAgreementFairValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investor Loan Purchase Agreement, Fair Value",
        "label": "Investor Loan Purchase Agreement, Fair Value",
        "terseLabel": "Fair value"
       }
      }
     },
     "localname": "InvestorLoanPurchaseAgreementFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_InvestorLoanPurchaseAgreementPurchases": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investor Loan Purchase Agreement, Purchases",
        "label": "Investor Loan Purchase Agreement, Purchases",
        "terseLabel": "Loan purchase obligation"
       }
      }
     },
     "localname": "InvestorLoanPurchaseAgreementPurchases",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_InvestorPayablesFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investor Payables, Fair Value Disclosure",
        "label": "Investor Payables, Fair Value Disclosure",
        "terseLabel": "Payables to investors"
       }
      }
     },
     "localname": "InvestorPayablesFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LargestStockholderMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Largest Stockholder [Member]",
        "label": "Largest Stockholder [Member]",
        "terseLabel": "Largest Stockholder"
       }
      }
     },
     "localname": "LargestStockholderMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LesseeNumberofOperatingLeaseTerminationOptionsExercised": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Number of Operating Lease Termination Options Exercised",
        "label": "Lessee, Number of Operating Lease Termination Options Exercised",
        "terseLabel": "Number of operating lease termination options exercised"
       }
      }
     },
     "localname": "LesseeNumberofOperatingLeaseTerminationOptionsExercised",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments, Net of Sublease Income, Due",
        "label": "Lessee, Operating Lease, Liability, Payments, Net of Sublease Income, Due",
        "totalLabel": "Total lease payments (1)"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Five",
        "label": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Five",
        "totalLabel": "2024"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearFive",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Four",
        "label": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Four",
        "totalLabel": "2023"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearFour",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearThree": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Three",
        "label": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Three",
        "totalLabel": "2022"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearThree",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearTwo": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Two",
        "label": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Due Year Two",
        "totalLabel": "2021"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueYearTwo",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueafterYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments, Net of Sublease Income, Due after Year Five",
        "label": "Lessee, Operating Lease, Liability, Payments, Net of Sublease Income, Due after Year Five",
        "totalLabel": "Thereafter"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueafterYearFive",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeRemainderofFiscalYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Remainder of Fiscal Year",
        "label": "Lessee, Operating Lease, Liability, Payments Net of Sublease Income, Remainder of Fiscal Year",
        "totalLabel": "Remainder of 2020"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeRemainderofFiscalYear",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeOperatingLeaseNotYetCommencedUndiscountedFutureRent": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Operating Lease, Not Yet Commenced, Undiscounted Future Rent",
        "label": "Lessee, Operating Lease, Not Yet Commenced, Undiscounted Future Rent",
        "terseLabel": "Undiscounted future rent of operating lease not yet commenced"
       }
      }
     },
     "localname": "LesseeOperatingLeaseNotYetCommencedUndiscountedFutureRent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LesseeSupplementalBalanceSheetInformationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Supplemental Balance Sheet Information [Table Text Block]",
        "label": "Lessee, Supplemental Balance Sheet Information [Table Text Block]",
        "terseLabel": "Supplemental Balance Sheet Information"
       }
      }
     },
     "localname": "LesseeSupplementalBalanceSheetInformationTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_LesseeSupplementalCashFlowInformationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Supplemental Cash Flow Information [Table Text Block]",
        "label": "Lessee, Supplemental Cash Flow Information [Table Text Block]",
        "terseLabel": "Supplemental Cash Flow Information"
       }
      }
     },
     "localname": "LesseeSupplementalCashFlowInformationTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_LesseeWeightedaverageRemainingLeaseTermandDiscountRateTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Weighted-average Remaining Lease Term and Discount Rate [Table Text Block]",
        "label": "Lessee, Weighted-average Remaining Lease Term and Discount Rate [Table Text Block]",
        "terseLabel": "Weighted-average Remaining Lease Term and Discount Rate"
       }
      }
     },
     "localname": "LesseeWeightedaverageRemainingLeaseTermandDiscountRateTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_LessorSubleaseTermofContract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessor, Sublease, Term of Contract",
        "label": "Lessor, Sublease, Term of Contract",
        "terseLabel": "Sublease term"
       }
      }
     },
     "localname": "LessorSubleaseTermofContract",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_LineofCreditFacilityAdditionalStepDownifOutstandingAdvanceRateisGreaterthanTargetAdvanceRateorOutstandingLoanAmountExceedsOutstandingCommitmentPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Additional Step Down if Outstanding Advance Rate is Greater than Target Advance Rate or Outstanding Loan Amount Exceeds Outstanding Commitment, Percent",
        "label": "Line of Credit Facility, Additional Step Down if Outstanding Advance Rate is Greater than Target Advance Rate or Outstanding Loan Amount Exceeds Outstanding Commitment, Percent",
        "terseLabel": "Additional step down if outstanding advance rate is greater than target advance rate or outstanding loan amount exceeds outstanding commitment (percent)"
       }
      }
     },
     "localname": "LineofCreditFacilityAdditionalStepDownifOutstandingAdvanceRateisGreaterthanTargetAdvanceRateorOutstandingLoanAmountExceedsOutstandingCommitmentPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_LineofCreditFacilityInterestRateIncreaseifOutstandingAdvanceRateisGreaterthanTargetAdvanceRateorOutstandingLoanAmountExceedsOutstandingCommitmentPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Interest Rate Increase if Outstanding Advance Rate is Greater than Target Advance Rate or Outstanding Loan Amount Exceeds Outstanding Commitment, Percent",
        "label": "Line of Credit Facility, Interest Rate Increase if Outstanding Advance Rate is Greater than Target Advance Rate or Outstanding Loan Amount Exceeds Outstanding Commitment, Percent",
        "terseLabel": "Interest rate increase if outstanding advance rate is greater than target advance rate or outstanding loan amount exceeds outstanding commitment (percent)"
       }
      }
     },
     "localname": "LineofCreditFacilityInterestRateIncreaseifOutstandingAdvanceRateisGreaterthanTargetAdvanceRateorOutstandingLoanAmountExceedsOutstandingCommitmentPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_LineofCreditFacilityMaximumAdvanceRateAgainstBorrowingBaseStepDownPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Maximum Advance Rate Against Borrowing Base, Step Down, Percent",
        "label": "Line of Credit Facility, Maximum Advance Rate Against Borrowing Base, Step Down, Percent",
        "terseLabel": "Credit facility, maximum advance rate against borrowing base, step down (percent)"
       }
      }
     },
     "localname": "LineofCreditFacilityMaximumAdvanceRateAgainstBorrowingBaseStepDownPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_LoanPurchaseCommitmentDepositsinPeriod1": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Purchase Commitment, Deposits in Period1",
        "label": "Loan Purchase Commitment, Deposits in Period1",
        "terseLabel": "Deposit"
       }
      }
     },
     "localname": "LoanPurchaseCommitmentDepositsinPeriod1",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LoanPurchaseObligationPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Purchase Obligation, Period",
        "label": "Loan Purchase Obligation, Period",
        "terseLabel": "Loan purchase obligation period"
       }
      }
     },
     "localname": "LoanPurchaseObligationPeriod",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_LoanRepurchaseCommitmentPurchases": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Repurchase Commitment, Purchases",
        "label": "Loan Repurchase Commitment, Purchases",
        "terseLabel": "Commitment repurchases"
       }
      }
     },
     "localname": "LoanRepurchaseCommitmentPurchases",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LoanServicingAssetFairValueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Servicing Asset Fair Value [Member]",
        "label": "Loan Servicing Asset Fair Value [Member]",
        "terseLabel": "Loan servicing assets, at fair value"
       }
      }
     },
     "localname": "LoanServicingAssetFairValueMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoanServicingRightsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Servicing Rights[Member]",
        "label": "Loan Servicing Rights[Member]",
        "terseLabel": "Loan Servicing Rights"
       }
      }
     },
     "localname": "LoanServicingRightsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoanTrailingFeeLiabilityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Trailing Fee Liability [Member]",
        "label": "Loan Trailing Fee Liability [Member]",
        "terseLabel": "Loan Trailing Fee Liability"
       }
      }
     },
     "localname": "LoanTrailingFeeLiabilityMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoanTrailingFeeLiabilityatFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan Trailing Fee Liability, at Fair Value",
        "label": "Loan Trailing Fee Liability, at Fair Value",
        "terseLabel": "Loan trailing fee liability"
       }
      }
     },
     "localname": "LoanTrailingFeeLiabilityatFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LoansAtFairValueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans At Fair Value [Member]",
        "label": "Loans At Fair Value [Member]",
        "terseLabel": "Loans Held for Investment"
       }
      }
     },
     "localname": "LoansAtFairValueMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansHeldForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Held For Sale [Member]",
        "label": "Loans Held For Sale [Member]",
        "verboseLabel": "Loans Held For Sale"
       }
      }
     },
     "localname": "LoansHeldForSaleMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansHeldforInvestmentLoansHeldforSaleNotesCertificatesandSecuredBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Held for Investment, Loans Held for Sale, Notes, Certificates and Secured Borrowings [Member]",
        "label": "Loans Held for Investment, Loans Held for Sale, Notes, Certificates and Secured Borrowings [Member]",
        "terseLabel": "Loans Held for Investment, Loans Held for Sale, Notes, Certificates and Secured Borrowings"
       }
      }
     },
     "localname": "LoansHeldforInvestmentLoansHeldforSaleNotesCertificatesandSecuredBorrowingsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansHeldforInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Held for Investment [Member]",
        "label": "Loans Held for Investment [Member]",
        "terseLabel": "Loans Held for Investment"
       }
      }
     },
     "localname": "LoansHeldforInvestmentMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansHeldforInvestmentandLoansHeldforSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Held for Investment and Loans Held for Sale [Member]",
        "label": "Loans Held for Investment and Loans Held for Sale [Member]",
        "terseLabel": "Loans Held for Investment and Loans Held for Sale"
       }
      }
     },
     "localname": "LoansHeldforInvestmentandLoansHeldforSaleMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansInvestedinbyCompanyExpectedLife": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Invested in by Company, Expected Life",
        "label": "Loans Invested in by Company, Expected Life",
        "terseLabel": "Expected weighted-average life (in years)"
       }
      }
     },
     "localname": "LoansInvestedinbyCompanyExpectedLife",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_LoansInvestedinbyCompanyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Invested in by Company [Member]",
        "label": "Loans Invested in by Company [Member]",
        "terseLabel": "Loans Invested in by Company"
       }
      }
     },
     "localname": "LoansInvestedinbyCompanyMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansNotesAndCertificatesAndLoanServicingRightsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans, Notes and Certificates, and Loan Servicing Rights [Line Items]",
        "label": "Loans, Notes and Certificates, and Loan Servicing Rights [Line Items]",
        "terseLabel": "Loans, Notes and Certificates, and Loan Servicing Rights [Line Items]"
       }
      }
     },
     "localname": "LoansNotesAndCertificatesAndLoanServicingRightsLineItems",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_LoansNotesAndCertificatesAndLoanServicingRightsTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans, Notes and Certificates, and Loan Servicing Rights [Table]",
        "label": "Loans, Notes and Certificates, and Loan Servicing Rights [Table]",
        "terseLabel": "Loans, Notes and Certificates, and Loan Servicing Rights [Table]"
       }
      }
     },
     "localname": "LoansNotesAndCertificatesAndLoanServicingRightsTable",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_LoansNotesAndCertificatesAndLoanServicingRightsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans, Notes and Certificates, and Loan Servicing Rights [Text Block]",
        "label": "Loans, Notes and Certificates, and Loan Servicing Rights [Text Block]",
        "terseLabel": "Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings"
       }
      }
     },
     "localname": "LoansNotesAndCertificatesAndLoanServicingRightsTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowings"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_LoansReceivableHeldforInvestmentbyCompanyFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Receivable, Held for Investment by Company, Fair Value Disclosure",
        "label": "Loans Receivable, Held for Investment by Company, Fair Value Disclosure",
        "terseLabel": "Loans held for investment by the Company at fair value",
        "verboseLabel": "Loans held for investment by the Company"
       }
      }
     },
     "localname": "LoansReceivableHeldforInvestmentbyCompanyFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LoansReceivableandLoansHeldforSaleFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Receivable and Loans Held for Sale, Fair Value Disclosure",
        "label": "Loans Receivable and Loans Held for Sale, Fair Value Disclosure",
        "netLabel": "Loans and loans held for sale",
        "terseLabel": "Loans Receivable and Loans Held for Sale, Fair Value Disclosure",
        "verboseLabel": "Fair value of loans invested in by the Company"
       }
      }
     },
     "localname": "LoansReceivableandLoansHeldforSaleFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LoansRelatedtoConsolidationofSecuritizationTrustMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Related to Consolidation of Securitization Trust [Member]",
        "label": "Loans Related to Consolidation of Securitization Trust [Member]",
        "terseLabel": "Loans Related to Consolidation of Securitization Trust"
       }
      }
     },
     "localname": "LoansRelatedtoConsolidationofSecuritizationTrustMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_LoansSecuritizedandSoldtoSeriesTrustsinConnectionwithIssuanceofCLUBCertificates": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Securitized and Sold to Series Trusts in Connection with Issuance of CLUB Certificates",
        "label": "Loans Securitized and Sold to Series Trusts in Connection with Issuance of CLUB Certificates",
        "terseLabel": "Securities issued in securitization transaction, aggregate value"
       }
      }
     },
     "localname": "LoansSecuritizedandSoldtoSeriesTrustsinConnectionwithIssuanceofCLUBCertificates",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_LoansandLoansHeldforSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans and Loans Held for Sale [Member]",
        "label": "Loans and Loans Held for Sale [Member]",
        "verboseLabel": "Loans and Loans Held for Sale"
       }
      }
     },
     "localname": "LoansandLoansHeldforSaleMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_MeasurementInputPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement Input, Percent",
        "label": "Measurement Input, Percent",
        "terseLabel": "Measurement input, percent"
       }
      }
     },
     "localname": "MeasurementInputPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_NetInvestorRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_Revenues",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Net Investor Revenue",
        "label": "Net Investor Revenue",
        "totalLabel": "Net Investor Revenue"
       }
      }
     },
     "localname": "NetInvestorRevenue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_NonAccrualLoansNumberOfDaysThreshold": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Accrual Loans Number Of Days Threshold",
        "label": "Non Accrual Loans Number Of Days Threshold",
        "terseLabel": "Nonaccrual policy"
       }
      }
     },
     "localname": "NonAccrualLoansNumberOfDaysThreshold",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_NoncashFinancingActivityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non-cash Financing Activity [Abstract]",
        "label": "Non-cash Financing Activity [Abstract]",
        "terseLabel": "Non-cash financing activity:"
       }
      }
     },
     "localname": "NoncashFinancingActivityAbstract",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_NoncashInvestingActivityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non-cash Investing Activity [Abstract]",
        "label": "Non-cash Investing Activity [Abstract]",
        "terseLabel": "Non-cash investing activity:"
       }
      }
     },
     "localname": "NoncashInvestingActivityAbstract",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_NoncashTransactionBeneficialInterestRetainedbyConsolidatedVariableInterestEntity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncash Transaction, Beneficial Interest Retained by Consolidated Variable Interest Entity",
        "label": "Noncash Transaction, Beneficial Interest Retained by Consolidated Variable Interest Entity",
        "terseLabel": "Net securities retained from Structured Program transactions"
       }
      }
     },
     "localname": "NoncashTransactionBeneficialInterestRetainedbyConsolidatedVariableInterestEntity",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_NoncashTransactionDerecognitionofPayabletoSecuritizationNoteandResidualCertificateHoldersHeldinConsolidatedVIE": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncash Transaction, Derecognition of Payable to Securitization Note and Residual Certificate Holders Held in Consolidated VIE",
        "label": "Noncash Transaction, Derecognition of Payable to Securitization Note and Residual Certificate Holders Held in Consolidated VIE",
        "terseLabel": "Derecognition of payable to securitization note and residual certificate holders held in consolidated VIE"
       }
      }
     },
     "localname": "NoncashTransactionDerecognitionofPayabletoSecuritizationNoteandResidualCertificateHoldersHeldinConsolidatedVIE",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_NotesAndCertificatesAtFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Notes and Certificates at fair value",
        "label": "Notes And Certificates At Fair Value",
        "netLabel": "Notes, certificates and secured borrowings at fair value",
        "totalLabel": "Notes, certificates and secured borrowings, fair value",
        "verboseLabel": "Notes, certificates and secured borrowings"
       }
      }
     },
     "localname": "NotesAndCertificatesAtFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_NotesAndCertificatesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Notes and certificates.",
        "label": "Notes And Certificates [Member]",
        "terseLabel": "Notes, Certificates and Secured Borrowings"
       }
      }
     },
     "localname": "NotesAndCertificatesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_NotesCertificatesandSecuredBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Notes, Certificates and Secured Borrowings [Member]",
        "label": "Notes, Certificates and Secured Borrowings [Member]",
        "terseLabel": "Notes, Certificates and Secured Borrowings"
       }
      }
     },
     "localname": "NotesCertificatesandSecuredBorrowingsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_NoticeRequiredforTerminationofLease": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Notice Required for Termination of Lease",
        "label": "Notice Required for Termination of Lease",
        "terseLabel": "Notice required for termination of lease"
       }
      }
     },
     "localname": "NoticeRequiredforTerminationofLease",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_NumberOfMajorCustomersAndInvestors": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number Of Major Customers And Investors",
        "label": "Number Of Major Customers And Investors",
        "terseLabel": "Number of individual customers and investors accounting for more than 10% of revenue"
       }
      }
     },
     "localname": "NumberOfMajorCustomersAndInvestors",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "lc_NumberofLoansNinetyDaysorMorePastDueandNonaccrual": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of Loans Ninety Days or More Past Due and Nonaccrual",
        "label": "Number of Loans Ninety Days or More Past Due and Nonaccrual",
        "terseLabel": "Number of loans (not in thousands)"
       }
      }
     },
     "localname": "NumberofLoansNinetyDaysorMorePastDueandNonaccrual",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "lc_OperatingLeasePaymentsNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Operating Lease Payments, Net [Abstract]",
        "label": "Operating Lease Payments, Net [Abstract]",
        "terseLabel": "Operating Lease Payments, Net [Abstract]"
       }
      }
     },
     "localname": "OperatingLeasePaymentsNetAbstract",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_OriginationAndServicingExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Origination and Servicing Expense",
        "label": "Origination and Servicing Expense",
        "terseLabel": "Origination and servicing"
       }
      }
     },
     "localname": "OriginationAndServicingExpense",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_OriginationAndServicingExpenseMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Origination And Servicing Expense [Member]",
        "label": "Origination And Servicing Expense [Member]",
        "terseLabel": "Origination and servicing"
       }
      }
     },
     "localname": "OriginationAndServicingExpenseMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_OtherAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Assets [Line Items]",
        "label": "Other Assets [Line Items]",
        "terseLabel": "Other Assets [Line Items]"
       }
      }
     },
     "localname": "OtherAssetsLineItems",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_OtherAssetsTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Assets [Table]",
        "label": "Other Assets [Table]",
        "terseLabel": "Other Assets [Table]"
       }
      }
     },
     "localname": "OtherAssetsTable",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "lc_OtherRevenueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Revenue [Member]",
        "label": "Other Revenue [Member]",
        "terseLabel": "Other revenue"
       }
      }
     },
     "localname": "OtherRevenueMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_OwnershipPercentageMaximumperHolderafterConversionofPreferredSharesPercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Ownership Percentage Maximum per Holder after Conversion of Preferred Shares, Percentage",
        "label": "Ownership Percentage Maximum per Holder after Conversion of Preferred Shares, Percentage",
        "terseLabel": "Ownership maximum per holder after conversion of preferred shares (percent)"
       }
      }
     },
     "localname": "OwnershipPercentageMaximumperHolderafterConversionofPreferredSharesPercentage",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_PayableToInvestors": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payable To Investors",
        "label": "Payable To Investors",
        "terseLabel": "Payable to investors"
       }
      }
     },
     "localname": "PayableToInvestors",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PayablestoSecuritizationHoldersMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payables to Securitization Holders [Member]",
        "label": "Payables to Securitization Holders [Member]",
        "terseLabel": "Payables to Securitization Holders"
       }
      }
     },
     "localname": "PayablestoSecuritizationHoldersMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PayabletoSecuritizationNoteandCertificateHoldersatFairValueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payable to Securitization Note and Certificate Holders at Fair Value [Member]",
        "label": "Payable to Securitization Note and Certificate Holders at Fair Value [Member]",
        "terseLabel": "Payable to Securitization Note and Certificate Holders at Fair Value"
       }
      }
     },
     "localname": "PayabletoSecuritizationNoteandCertificateHoldersatFairValueMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PayabletoStructuredProgramNoteandCertificateHoldersatFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payable to Structured Program Note and Certificate Holders at Fair Value",
        "label": "Payable to Structured Program Note and Certificate Holders at Fair Value",
        "netLabel": "Payable to Structured Program note and certificate holders",
        "terseLabel": "Payable to Structured Program note and certificate holders at fair value (1)",
        "verboseLabel": "Payable to Structured Program note and certificate holders at fair value"
       }
      }
     },
     "localname": "PayabletoStructuredProgramNoteandCertificateHoldersatFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PaymentofDeemedDividendduetoBeneficialConversionFeature": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payment of Deemed Dividend due to Beneficial Conversion Feature",
        "label": "Payment of Deemed Dividend due to Beneficial Conversion Feature",
        "terseLabel": "Payment of deemed dividend due to beneficial conversion feature"
       }
      }
     },
     "localname": "PaymentofDeemedDividendduetoBeneficialConversionFeature",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PaymentsForPurchaseOfLoans": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal amount of origination of member loans during the reporting period net of origination of sold loans.",
        "label": "Payments For Purchase Of Loans",
        "negatedLabel": "Purchases of loans"
       }
      }
     },
     "localname": "PaymentsForPurchaseOfLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PaymentsOnChargedOffNotesAndCertificatesAtFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payments on charged-off notes and certificates at fair value.",
        "label": "Payments On Charged Off Notes And Certificates At Fair Value",
        "negatedLabel": "Payments on notes, certificates, and secured borrowings from recoveries/sales of related charged-off loans"
       }
      }
     },
     "localname": "PaymentsOnChargedOffNotesAndCertificatesAtFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PaymentsOnNotesAndCertificatesAtFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payments on notes and certificates at fair value.",
        "label": "Payments On Notes And Certificates At Fair Value",
        "negatedLabel": "Principal payments on and retirements of notes and certificates"
       }
      }
     },
     "localname": "PaymentsOnNotesAndCertificatesAtFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PaymentsToPurchaseWholeLoansToBeSold": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow used to purchase whole loans that are held with the intention to resell in the near future.",
        "label": "Payments To Purchase Whole Loans To Be Sold",
        "negatedLabel": "Purchase of loans held for sale"
       }
      }
     },
     "localname": "PaymentsToPurchaseWholeLoansToBeSold",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PercentofSeriesBPreferredStockincludedinUnit": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percent of Series B Preferred Stock included in Unit",
        "label": "Percent of Series B Preferred Stock included in Unit",
        "terseLabel": "Shareholder Protection Agreement percent of Series B Preferred Stock included in a Unit (percent)"
       }
      }
     },
     "localname": "PercentofSeriesBPreferredStockincludedinUnit",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_PermissibleTransferMaximumControlofTransfereeofCompanyVotingSecuritiesPriortoTransferPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Permissible Transfer, Maximum Control of Transferee of Company Voting Securities, Prior to Transfer, Percent",
        "label": "Permissible Transfer, Maximum Control of Transferee of Company Voting Securities, Prior to Transfer, Percent",
        "terseLabel": "Permissible transfer, maximum control of transferee of Company voting securities, prior to transfer (percent)"
       }
      }
     },
     "localname": "PermissibleTransferMaximumControlofTransfereeofCompanyVotingSecuritiesPriortoTransferPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_PermissibleTransferMaximumReceiptofanyClassofVotingSecuritiesPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Permissible Transfer, Maximum Receipt of any Class of Voting Securities, Percent",
        "label": "Permissible Transfer, Maximum Receipt of any Class of Voting Securities, Percent",
        "terseLabel": "Permissible transfer, maximum receipt of any class of voting securities (percent)"
       }
      }
     },
     "localname": "PermissibleTransferMaximumReceiptofanyClassofVotingSecuritiesPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_PersonalLoanWarehouseCreditFacilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Loan Warehouse Credit Facilities [Member]",
        "label": "Personal Loan Warehouse Credit Facilities [Member]",
        "terseLabel": "Personal Loan Warehouse Credit Facilities"
       }
      }
     },
     "localname": "PersonalLoanWarehouseCreditFacilitiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PersonalLoanWarehouseCreditFacilitieswithAssociatedCommitmentTerminationDateofDecember312020Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of December 31, 2020 [Member]",
        "label": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of December 31, 2020 [Member]",
        "terseLabel": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of December 2020"
       }
      }
     },
     "localname": "PersonalLoanWarehouseCreditFacilitieswithAssociatedCommitmentTerminationDateofDecember312020Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PersonalLoanWarehouseCreditFacilitieswithAssociatedCommitmentTerminationDateofFebruary2022Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of February 2022 [Member]",
        "label": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of February 2022 [Member]",
        "terseLabel": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of February 2022"
       }
      }
     },
     "localname": "PersonalLoanWarehouseCreditFacilitieswithAssociatedCommitmentTerminationDateofFebruary2022Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PersonalLoanWarehouseCreditFacilitieswithAssociatedCommitmentTerminationDateofOctober2020Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of October 2020 [Member]",
        "label": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of October 2020 [Member]",
        "terseLabel": "Personal Loan Warehouse Credit Facilities with Associated Commitment Termination Date of October 2020"
       }
      }
     },
     "localname": "PersonalLoanWarehouseCreditFacilitieswithAssociatedCommitmentTerminationDateofOctober2020Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PersonalLoanWarehouseCreditFacilitywithCommitmentMaturityDateofJune2020Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Loan Warehouse Credit Facility Commitment Maturity Date of June 2020 [Member]",
        "label": "Personal Loan Warehouse Credit Facility with Commitment Maturity Date of June 2020 [Member]",
        "terseLabel": "Personal Loan Warehouse Credit Facility with Commitment Maturity Date of June 2020"
       }
      }
     },
     "localname": "PersonalLoanWarehouseCreditFacilitywithCommitmentMaturityDateofJune2020Member",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PersonalLoanandAutoLoanWarehouseCreditFacilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Loan and Auto Loan Warehouse Credit Facilities [Member]",
        "label": "Personal Loan and Auto Loan Warehouse Credit Facilities [Member]",
        "verboseLabel": "Personal Loan and Auto Loan Warehouse Credit Facilities"
       }
      }
     },
     "localname": "PersonalLoanandAutoLoanWarehouseCreditFacilitiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PersonalWholeLoanSecuritizationMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Personal Whole Loan Securitization [Member]",
        "label": "Personal Whole Loan Securitization [Member]",
        "terseLabel": "Personal Whole Loan Securitization"
       }
      }
     },
     "localname": "PersonalWholeLoanSecuritizationMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PrepaidExpenseMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Prepaid Expense [Member]",
        "label": "Prepaid Expense [Member]",
        "verboseLabel": "Prepaid expenses"
       }
      }
     },
     "localname": "PrepaidExpenseMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_PrincipalAmountOfLoanBeforeFairValueAdjustment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal amount of loan before fair value adjustment.",
        "label": "Principal Amount Of Loan Before Fair Value Adjustment",
        "terseLabel": "Aggregate principal balance outstanding"
       }
      }
     },
     "localname": "PrincipalAmountOfLoanBeforeFairValueAdjustment",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PrincipalAmountOfNotesAndCertificatesBeforeFairValueAdjustment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal Amount Of Notes And Certificates Before Fair Value Adjustment",
        "label": "Principal Amount of Notes and Certificates Before Fair Value Adjustment",
        "terseLabel": "Aggregate principal balance outstanding"
       }
      }
     },
     "localname": "PrincipalAmountOfNotesAndCertificatesBeforeFairValueAdjustment",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PrincipalAmountOutstandingonLoansSecuritizedorAssetbackedFinancingArrangementDerecognizedduringPeriod": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement, Derecognized during Period",
        "label": "Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement, Derecognized during Period",
        "terseLabel": "Principal derecognized from loans securitized or sold"
       }
      }
     },
     "localname": "PrincipalAmountOutstandingonLoansSecuritizedorAssetbackedFinancingArrangementDerecognizedduringPeriod",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PrincipalBalancesOfUnderlyingLoansForLoanServicingRights": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal balances of underlying loans for the loan servicing rights.",
        "label": "Principal Balances of Underlying Loans For Loan Servicing Rights",
        "terseLabel": "Principal balance of underlying loan servicing rights"
       }
      }
     },
     "localname": "PrincipalBalancesOfUnderlyingLoansForLoanServicingRights",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PrincipalPaymentsonSecuritizationNotes": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal Payments on Securitization Notes",
        "label": "Principal Payments on Securitization Notes",
        "negatedTerseLabel": "Principal payments on securitization notes"
       }
      }
     },
     "localname": "PrincipalPaymentsonSecuritizationNotes",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ProceedsFromIssuanceOfNotesAndCertificates": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from issuance of notes and certificates at par value.",
        "label": "Proceeds From Issuance Of Notes And Certificates",
        "terseLabel": "Proceeds from issuance of notes and certificates"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfNotesAndCertificates",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ProceedsFromRecoveriesAndSaleOfChargedOffMemberLoans": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from recoveries and sale of charged-off Member Loans.",
        "label": "Proceeds From Recoveries And Sale Of Charged Off Member Loans",
        "terseLabel": "Proceeds from recoveries and sales of charged-off loans"
       }
      }
     },
     "localname": "ProceedsFromRecoveriesAndSaleOfChargedOffMemberLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ProceedsFromSalesOfWholeLoans": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow resulting from the sale of whole loans.",
        "label": "Proceeds From Sales Of Whole Loans",
        "terseLabel": "Proceeds from whole loan sales and Structured Program transactions, net of underwriting fees and costs"
       }
      }
     },
     "localname": "ProceedsFromSalesOfWholeLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ProceedsfromSecuritizationsofConsumerLoansFinancingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from Securitizations of Consumer Loans, Financing Activities",
        "label": "Proceeds from Securitizations of Consumer Loans, Financing Activities",
        "terseLabel": "Proceeds from issuance of notes and certificates from Structured Program transactions"
       }
      }
     },
     "localname": "ProceedsfromSecuritizationsofConsumerLoansFinancingActivities",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ProceedsfromServicingRightsFeesonSecuritizations": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from Servicing Rights Fees on Securitizations",
        "label": "Proceeds from Servicing Rights Fees on Securitizations",
        "terseLabel": "Cash proceeds from servicing and other administrative fees on loans securitized or sold"
       }
      }
     },
     "localname": "ProceedsfromServicingRightsFeesonSecuritizations",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_PurchaseOfLoansRelatedParties": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Purchase Of Loans, Related Parties",
        "label": "Purchase Of Loans, Related Parties",
        "terseLabel": "Loans"
       }
      }
     },
     "localname": "PurchaseOfLoansRelatedParties",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_RSUsandPBRSUsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "RSUs and PBRSUs [Member]",
        "label": "RSUs and PBRSUs [Member]",
        "terseLabel": "RSUs and PBRSUs"
       }
      }
     },
     "localname": "RSUsandPBRSUsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_RadiusBancorpInc.MergerMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Radius Bancorp, Inc. Merger [Member]",
        "label": "Radius Bancorp, Inc. Merger [Member]",
        "terseLabel": "Radius Bancorp, Inc. Merger"
       }
      }
     },
     "localname": "RadiusBancorpInc.MergerMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_ReferralFeesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Referral Fees [Member]",
        "label": "Referral Fees [Member]",
        "terseLabel": "Referral fees"
       }
      }
     },
     "localname": "ReferralFeesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_RelatedPartyFundMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Related Party Fund [Member]",
        "label": "Related Party Fund [Member]",
        "terseLabel": "Related Party Fund"
       }
      }
     },
     "localname": "RelatedPartyFundMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_RestrictedCashFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Restricted Cash, Fair Value Disclosure",
        "label": "Restricted Cash, Fair Value Disclosure",
        "terseLabel": "Restricted cash (1)"
       }
      }
     },
     "localname": "RestrictedCashFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_RestrictedStockUnitsandPerformancebasedRestrictedStockUnitsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Restricted Stock Units and Performance-based Restricted Stock Units [Member]",
        "label": "Restricted Stock Units and Performance-based Restricted Stock Units [Member]",
        "terseLabel": "RSUs and PBRSUs"
       }
      }
     },
     "localname": "RestrictedStockUnitsandPerformancebasedRestrictedStockUnitsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_ScheduleofActivityRelatedtoPersonalWholeLoanSecuritizationsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of Activity Related to Personal Whole Loan Securitizations [Table Text Block]",
        "label": "Schedule of Activity Related to Personal Whole Loan Securitizations [Table Text Block]",
        "terseLabel": "Summary of Activity Related to Personal Whole Loan Securitizations"
       }
      }
     },
     "localname": "ScheduleofActivityRelatedtoPersonalWholeLoanSecuritizationsTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_ScheduleofFairValueSensitivityofLoansTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of Fair Value Sensitivity of Loans [Table Text Block]",
        "label": "Schedule of Fair Value Sensitivity of Loans [Table Text Block]",
        "terseLabel": "Fair Value Sensitivity of Loans"
       }
      }
     },
     "localname": "ScheduleofFairValueSensitivityofLoansTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_ScheduleofLoansInvestedinbyCompanyTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of Loans Invested in by Company [Table Text Block]",
        "label": "Schedule of Loans Invested in by Company [Table Text Block]",
        "terseLabel": "Loans Invested in by Company"
       }
      }
     },
     "localname": "ScheduleofLoansInvestedinbyCompanyTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_ScheduleofOutstandingPrincipalBalanceofNotesCertificatesandSecuredBorrowingsatFairValueTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of Outstanding Principal Balance of Notes, Certificates and Secured Borrowings at Fair Value [Table Text Block]",
        "label": "Schedule of Outstanding Principal Balance of Notes, Certificates and Secured Borrowings at Fair Value [Table Text Block]",
        "terseLabel": "Schedule of Outstanding Principal Balance of Notes, Certificates and Secured Borrowings at Fair Value"
       }
      }
     },
     "localname": "ScheduleofOutstandingPrincipalBalanceofNotesCertificatesandSecuredBorrowingsatFairValueTableTextBlock",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "lc_SecuredBorrowingsFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail": {
       "order": 3.0,
       "parentTag": "lc_NotesAndCertificatesAtFairValue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Secured Borrowings, Fair Value Disclosure",
        "label": "Secured Borrowings, Fair Value Disclosure",
        "terseLabel": "Secured borrowings"
       }
      }
     },
     "localname": "SecuredBorrowingsFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SecuredBorrowingsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Secured Borrowings [Member]",
        "label": "Secured Borrowings [Member]",
        "terseLabel": "Secured Borrowings"
       }
      }
     },
     "localname": "SecuredBorrowingsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_SeniorSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Senior Securities [Member]",
        "label": "Senior Securities [Member]",
        "terseLabel": "Senior securities"
       }
      }
     },
     "localname": "SeniorSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsPercentageChangeInServicingRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis Of Fair Value, Transferor's Interests In Transferred Financial Assets, Percentage Change In Servicing Rate",
        "label": "Sensitivity Analysis Of Fair Value, Transferor's Interests In Transferred Financial Assets, Percentage Change In Servicing Rate",
        "terseLabel": "Change in rate"
       }
      }
     },
     "localname": "SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsPercentageChangeInServicingRate",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof10AdverseChangeinCreditLossRatesonUnderlyingLoans": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 10% Adverse Change in Credit Loss Rates on Underlying Loans",
        "label": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 10% Adverse Change in Credit Loss Rates on Underlying Loans",
        "terseLabel": "Expected credit loss rates on underlying loans, 10% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof10AdverseChangeinCreditLossRatesonUnderlyingLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof10AdverseChangeinExpectedPrepaymentRates": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 10% Adverse Change in Expected Prepayment Rates",
        "label": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 10% Adverse Change in Expected Prepayment Rates",
        "terseLabel": "Expected prepayment rates, 10% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof10AdverseChangeinExpectedPrepaymentRates",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof20AdverseChangeinCreditLossRatesonUnderlyingLoans": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 20% Adverse Change in Credit Loss Rates on Underlying Loans",
        "label": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 20% Adverse Change in Credit Loss Rates on Underlying Loans",
        "terseLabel": "Expected credit loss rates on underlying loans, 20% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof20AdverseChangeinCreditLossRatesonUnderlyingLoans",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof20AdverseChangeinExpectedPrepaymentRates": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 20% Adverse Change in Expected Prepayment Rates",
        "label": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of 20% Adverse Change in Expected Prepayment Rates",
        "terseLabel": "Expected prepayment rates, 20% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactof20AdverseChangeinExpectedPrepaymentRates",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactofAdverseChangeinDiscountRate100BasisPointIncrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of Adverse Change in Discount Rate, 100 Basis Point Increase",
        "label": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of Adverse Change in Discount Rate, 100 Basis Point Increase",
        "terseLabel": "Discount rates, impact of 100 basis point increase"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactofAdverseChangeinDiscountRate100BasisPointIncrease",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactofAdverseChangeinDiscountRate200BasisPointIncrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of Adverse Change in Discount Rate, 200 Basis Point Increase",
        "label": "Sensitivity Analysis of Fair Value, Loans Invested in by Company, Impact of Adverse Change in Discount Rate, 200 Basis Point Increase",
        "terseLabel": "Discount rates, impact of 200 basis point increase"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueLoansInvestedinbyCompanyImpactofAdverseChangeinDiscountRate200BasisPointIncrease",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactofOtherthan10or20PercentAdverseChangeinDiscountRate100BasisPointIncrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Discount Rate, 100 Basis Point Increase",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Discount Rate, 100 Basis Point Increase",
        "negatedLabel": "Discount rates, impact of 100 basis point increase"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactofOtherthan10or20PercentAdverseChangeinDiscountRate100BasisPointIncrease",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactofOtherthan10or20PercentAdverseChangeinDiscountRate200BasisPointIncrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Discount Rate, 200 Basis Point Increase",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Discount Rate, 200 Basis Point Increase",
        "negatedLabel": "Discount rates, impact of 200 basis point increase"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactofOtherthan10or20PercentAdverseChangeinDiscountRate200BasisPointIncrease",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactofOtherthan10or20PercentFavorableChangeinOtherAssumption": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Favorable Change in Other Assumption",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Favorable Change in Other Assumption",
        "terseLabel": "Assets, servicing rate decrease by .1%"
       }
      }
     },
     "localname": "SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactofOtherthan10or20PercentFavorableChangeinOtherAssumption",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_SeriesBPreferredStockUnitPriceperUnit": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Series B Preferred Stock Unit, Price per Unit",
        "label": "Series B Preferred Stock Unit, Price per Unit",
        "terseLabel": "Series B Preferred stock unit ($ per unit)"
       }
      }
     },
     "localname": "SeriesBPreferredStockUnitPriceperUnit",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "lc_SeriesTrustsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Series Trusts [Member]",
        "label": "Series Trusts [Member]",
        "terseLabel": "Series Trusts"
       }
      }
     },
     "localname": "SeriesTrustsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_ServicerReserveReceivableFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Servicer Reserve Receivable, Fair Value Disclosure",
        "label": "Servicer Reserve Receivable, Fair Value Disclosure",
        "terseLabel": "Servicer reserve receivable"
       }
      }
     },
     "localname": "ServicerReserveReceivableFairValueDisclosure",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ServicingAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Servicing Assets [Member]",
        "label": "Servicing Assets [Member]",
        "verboseLabel": "Servicing Assets"
       }
      }
     },
     "localname": "ServicingAssetsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardIssuanceRange": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Award Issuance Range",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Issuance Range",
        "terseLabel": "Performance share target range (percent)"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardAwardIssuanceRange",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueNonvested1": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested1",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested1",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested1"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueNonvested1",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_ShareholderProtectionAgreementMaximumTermofAgreement": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Shareholder Protection Agreement, Maximum Term of Agreement",
        "label": "Shareholder Protection Agreement, Maximum Term of Agreement",
        "terseLabel": "Shareholder Protection Agreement, maximum term of agreement"
       }
      }
     },
     "localname": "ShareholderProtectionAgreementMaximumTermofAgreement",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "lc_StockIssuedDuringPeriodSharesConversionofCommonShares": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock Issued During Period, Shares, Conversion of Common Shares",
        "label": "Stock Issued During Period, Shares, Conversion of Common Shares",
        "terseLabel": "Issuance of preferred stock in exchange for common stock (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesConversionofCommonShares",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "lc_StockIssuedDuringPeriodValueConversionofCommonShares": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock Issued During Period, Value, Conversion of Common Shares",
        "label": "Stock Issued During Period, Value, Conversion of Common Shares",
        "terseLabel": "Issuance of preferred stock in exchange for common stock"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueConversionofCommonShares",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_StructuredProgramTransactionsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Structured Program Transactions [Member]",
        "label": "Structured Program Transactions [Member]",
        "terseLabel": "Structured Program Transactions"
       }
      }
     },
     "localname": "StructuredProgramTransactionsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_SubordinatedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Subordinated Securities [Member]",
        "label": "Subordinated Securities [Member]",
        "terseLabel": "Subordinated securities"
       }
      }
     },
     "localname": "SubordinatedSecuritiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_TermLoanMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term Loan [Member]",
        "label": "Term Loan [Member]",
        "terseLabel": "Term Loan"
       }
      }
     },
     "localname": "TermLoanMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_TerminatedFacilityLeaseandImpairedInternalSoftwareDevelopmentProjectsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Terminated Facility Lease and Impaired Internal Software Development Projects [Member]",
        "label": "Terminated Facility Lease and Impaired Internal Software Development Projects [Member]",
        "terseLabel": "Lease Expenses and Impairment"
       }
      }
     },
     "localname": "TerminatedFacilityLeaseandImpairedInternalSoftwareDevelopmentProjectsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_ThirdpartyInvestorMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Third-party Investor [Member]",
        "label": "Third-party Investor [Member]",
        "terseLabel": "Third-party Investor"
       }
      }
     },
     "localname": "ThirdpartyInvestorMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_ThresholdofEquityInterestinCompanyTriggeringDilutionPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Threshold of Equity Interest in Company Triggering Dilution, Percent",
        "label": "Threshold of Equity Interest in Company Triggering Dilution, Percent",
        "terseLabel": "Shareholder Protection Agreement threshold of equity interest in the Company triggering dilution (percent)"
       }
      }
     },
     "localname": "ThresholdofEquityInterestinCompanyTriggeringDilutionPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_ThresholdofOwnershipinanyClassoftheCompanysVotingSecuritiesTriggeringDilutionPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Threshold of Ownership in any Class of the Company's Voting Securities Triggering Dilution, Percent",
        "label": "Threshold of Ownership in any Class of the Company's Voting Securities Triggering Dilution, Percent",
        "terseLabel": "Shareholder Protection Agreement threshold of ownership in any class of the Company's voting securities triggering dilution (percent)"
       }
      }
     },
     "localname": "ThresholdofOwnershipinanyClassoftheCompanysVotingSecuritiesTriggeringDilutionPercent",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "lc_TrailingFeeLiability": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trailing Fee Liability",
        "label": "Trailing Fee Liability",
        "terseLabel": "Loan trailing fee liability, at fair value"
       }
      }
     },
     "localname": "TrailingFeeLiability",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_TransactionFeeRefundReserve": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transaction Fee Refund Reserve",
        "label": "Transaction Fee Refund Reserve",
        "terseLabel": "Transaction fee refund reserve"
       }
      }
     },
     "localname": "TransactionFeeRefundReserve",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_TransactionFeesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transaction Fees [Member]",
        "label": "Transaction Fees [Member]",
        "terseLabel": "Transaction fees"
       }
      }
     },
     "localname": "TransactionFeesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_TransferOfWholeLoansToRedeemCertificates": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transfer Of Whole Loans To Redeem Certificates",
        "label": "Transfer Of Whole Loans To Redeem Certificates",
        "terseLabel": "Transfer of whole loans to redeem certificates"
       }
      }
     },
     "localname": "TransferOfWholeLoansToRedeemCertificates",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_TransferorsInterestsRetainedinTransferredFinancialAssetsFairValue": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transferor's Interests Retained in Transferred Financial Assets, Fair Value",
        "label": "Transferor's Interests Retained in Transferred Financial Assets, Fair Value",
        "terseLabel": "Transferor's Interests Retained in Transferred Financial Assets, Fair Value"
       }
      }
     },
     "localname": "TransferorsInterestsRetainedinTransferredFinancialAssetsFairValue",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_TrustCertificatesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trust Certificates [Member]",
        "label": "Trust Certificates [Member]",
        "terseLabel": "LC Trust"
       }
      }
     },
     "localname": "TrustCertificatesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_UnconsolidatedCertificateProgramTrustsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unconsolidated Certificate Program Trusts [Member]",
        "label": "Unconsolidated Certificate Program Trusts [Member]",
        "terseLabel": "Unconsolidated Certificate Program Trusts"
       }
      }
     },
     "localname": "UnconsolidatedCertificateProgramTrustsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_UnconsolidatedSecuritizationTrustsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unconsolidated Securitization Trusts [Member]",
        "label": "Unconsolidated Securitization Trusts [Member]",
        "terseLabel": "Unconsolidated Trusts"
       }
      }
     },
     "localname": "UnconsolidatedSecuritizationTrustsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_VariableInterestEntityCarryingAmountAssetsandLiabilitiesNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Interest Entity, Carrying Amount, Assets and Liabilities, Net",
        "label": "Variable Interest Entity, Carrying Amount, Assets and Liabilities, Net",
        "totalLabel": "Net Assets"
       }
      }
     },
     "localname": "VariableInterestEntityCarryingAmountAssetsandLiabilitiesNet",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "lc_WarehouseCreditFacilitiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Warehouse Credit Facilities [Member]",
        "label": "Warehouse Credit Facilities [Member]",
        "terseLabel": "Warehouse Credit Facilities"
       }
      }
     },
     "localname": "WarehouseCreditFacilitiesMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "lc_WholeLoanInvestorsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Whole Loan Investors [Member]",
        "label": "Whole Loan Investors [Member]",
        "terseLabel": "Whole Loan Investors"
       }
      }
     },
     "localname": "WholeLoanInvestorsMember",
     "nsuri": "http://www.lendingclub.com/20200630",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_AffiliatedEntityMember": {
     "auth_ref": [
      "r240",
      "r351",
      "r352",
      "r439"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Affiliated Entity [Member]",
        "terseLabel": "Affiliated Entity"
       }
      }
     },
     "localname": "AffiliatedEntityMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidatedEntitiesAxis": {
     "auth_ref": [
      "r439"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Consolidated Entities [Axis]",
        "terseLabel": "Consolidated Entities [Axis]"
       }
      }
     },
     "localname": "ConsolidatedEntitiesAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidatedEntitiesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Consolidated Entities [Domain]",
        "terseLabel": "Consolidated Entities [Domain]"
       }
      }
     },
     "localname": "ConsolidatedEntitiesDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CounterpartyNameAxis": {
     "auth_ref": [
      "r33",
      "r92"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name [Axis]"
       }
      }
     },
     "localname": "CounterpartyNameAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investment, Name [Domain]",
        "terseLabel": "Investment, Name [Domain]"
       }
      }
     },
     "localname": "EquityMethodInvesteeNameDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ProductOrServiceAxis": {
     "auth_ref": [
      "r128",
      "r231",
      "r233",
      "r425",
      "r426"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Product and Service [Axis]",
        "terseLabel": "Product and Service [Axis]"
       }
      }
     },
     "localname": "ProductOrServiceAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ProductsAndServicesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Product and Service [Domain]",
        "terseLabel": "Product and Service [Domain]"
       }
      }
     },
     "localname": "ProductsAndServicesDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Statistical Measurement [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name [Domain]"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioForecastMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Forecast [Member]",
        "terseLabel": "Forecast"
       }
      }
     },
     "localname": "ScenarioForecastMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioUnspecifiedDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Scenario [Domain]",
        "terseLabel": "Scenario [Domain]"
       }
      }
     },
     "localname": "ScenarioUnspecifiedDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investment, Name [Axis]",
        "terseLabel": "Investment, Name [Axis]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_StatementScenarioAxis": {
     "auth_ref": [
      "r204",
      "r358"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Scenario [Axis]",
        "terseLabel": "Scenario [Axis]"
       }
      }
     },
     "localname": "StatementScenarioAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_WeightedAverageMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Weighted Average [Member]",
        "terseLabel": "Weighted- Average"
       }
      }
     },
     "localname": "WeightedAverageMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis": {
     "auth_ref": [
      "r30"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of receivable.",
        "label": "Receivable Type [Axis]",
        "terseLabel": "Receivable Type [Axis]"
       }
      }
     },
     "localname": "AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails",
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": {
     "auth_ref": [
      "r21"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.",
        "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]",
        "terseLabel": "Accrued Expenses and Other Liabilities"
       }
      }
     },
     "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of trade and related party payables and accrued expenses.",
        "label": "Accounts Payable and Accrued Liabilities, Fair Value Disclosure",
        "terseLabel": "Accrued expenses and other liabilities"
       }
      }
     },
     "localname": "AccountsPayableAndAccruedLiabilitiesFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r403",
      "r421"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "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.",
        "label": "Accounts Payable",
        "terseLabel": "Accounts payable"
       }
      }
     },
     "localname": "AccountsPayableCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsPayableFairValueDisclosure": {
     "auth_ref": [
      "r321"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of liabilities incurred for goods and services received that are used in an entity's business and related party payables.",
        "label": "Accounts Payable, Fair Value Disclosure",
        "terseLabel": "Accounts payable"
       }
      }
     },
     "localname": "AccountsPayableFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableMember": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccruedIncomeReceivableMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fees and other revenue recorded based on estimates or specific contractual terms as transactions occur or services are rendered, provided that persuasive evidence exists, the price to the customer is fixed or determinable and collectability is reasonably assured, which have not yet been received as of the balance sheet date.",
        "label": "Accrued Income Receivable [Member]",
        "terseLabel": "Accrued Interest Receivable"
       }
      }
     },
     "localname": "AccruedIncomeReceivableMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent": {
     "auth_ref": [
      "r403",
      "r421"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.",
        "label": "Accrued Liabilities",
        "totalLabel": "Total accrued expenses and other liabilities",
        "verboseLabel": "Accrued expenses and other liabilities"
       }
      }
     },
     "localname": "AccruedLiabilitiesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedLiabilitiesMember": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered.",
        "label": "Accrued Liabilities [Member]",
        "terseLabel": "Accrued Expenses and Other Liabilities"
       }
      }
     },
     "localname": "AccruedLiabilitiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent": {
     "auth_ref": [
      "r403",
      "r421"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "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 professional fees, such as for legal and accounting services received.",
        "label": "Accrued Professional Fees",
        "terseLabel": "Accrued expenses"
       }
      }
     },
     "localname": "AccruedProfessionalFeesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r20",
      "r192"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 2.0,
       "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": "Accumulated depreciation and amortization"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r36",
      "r38",
      "r39"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "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"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r35",
      "r39",
      "r40",
      "r288"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalPaidInCapital": {
     "auth_ref": [
      "r14"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "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. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.",
        "label": "Additional Paid in Capital",
        "terseLabel": "Additional paid-in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapital",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile consolidated net loss to net cash (used for) provided by operating activities:"
       }
      }
     },
     "localname": "AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "auth_ref": [
      "r243",
      "r245",
      "r263",
      "r264"
     ],
     "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"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r245",
      "r258",
      "r262"
     ],
     "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",
        "verboseLabel": "Stock-based compensation expense"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfIntangibleAssets": {
     "auth_ref": [
      "r80",
      "r185",
      "r187"
     ],
     "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"
       }
      }
     },
     "localname": "AmortizationOfIntangibleAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r109"
     ],
     "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": "Weighted average common shares excluded (shares)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": {
     "auth_ref": [
      "r109"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of antidilutive security.",
        "label": "Antidilutive Securities [Axis]",
        "terseLabel": "Antidilutive Securities [Axis]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesNameDomain": {
     "auth_ref": [
      "r109"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.",
        "label": "Antidilutive Securities, Name [Domain]",
        "terseLabel": "Antidilutive Securities, Name [Domain]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetBackedSecuritiesMember": {
     "auth_ref": [
      "r145",
      "r238"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities that are primarily serviced by the cash flows of a discrete pool of receivables or other financial assets for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans.",
        "label": "Asset-backed Securities [Member]",
        "terseLabel": "Other asset-backed securities"
       }
      }
     },
     "localname": "AssetBackedSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember": {
     "auth_ref": [
      "r145",
      "r238"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities that are primarily serviced with cash flows derived financial assets that are being securitized for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans. Excludes mortgage-backed securities.",
        "label": "Asset-backed Securities, Securitized Loans and Receivables [Member]",
        "netLabel": "Consolidated trusts",
        "terseLabel": "Asset-backed securities related to Structured Program transactions",
        "verboseLabel": "Unconsolidated Trusts"
       }
      }
     },
     "localname": "AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetImpairmentCharges": {
     "auth_ref": [
      "r80",
      "r190"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.",
        "label": "Asset Impairment Charges",
        "terseLabel": "Impairment expense"
       }
      }
     },
     "localname": "AssetImpairmentCharges",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r122",
      "r398",
      "r416"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails": {
       "order": 1.0,
       "parentTag": "lc_VariableInterestEntityCarryingAmountAssetsandLiabilitiesNet",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsNet",
       "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 recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "netLabel": "Total assets of consolidated variable interest entities",
        "terseLabel": "Total assets",
        "totalLabel": "Total assets",
        "verboseLabel": "Assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsFairValueAdjustment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.",
        "label": "Assets, Fair Value Adjustment",
        "terseLabel": "Net fair value adjustments"
       }
      }
     },
     "localname": "AssetsFairValueAdjustment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsFairValueDisclosure": {
     "auth_ref": [
      "r306"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "AssetsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsNet": {
     "auth_ref": [
      "r0",
      "r429",
      "r430",
      "r432",
      "r433"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of net assets (liabilities).",
        "label": "Net Assets",
        "totalLabel": "Total net assets"
       }
      }
     },
     "localname": "AssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssumptionForFairValueOnSecuritizationDateOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesLineItems": {
     "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 Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]",
        "terseLabel": "Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]"
       }
      }
     },
     "localname": "AssumptionForFairValueOnSecuritizationDateOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssumptionForFairValueOnSecuritizationDateOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesTable": {
     "auth_ref": [
      "r366"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information related to the key inputs and assumptions used in measuring the fair value of assets obtained or liabilities incurred, as the result of a sale of financial assets, relating to the transferor's continuing involvement, if any, at the time of securitization, asset-backed financing arrangement, or similar transfer (including at a minimum, but not limited to, and if applicable, quantitative information about discount rates, expected prepayments including the expected weighted-average life of prepayable financial assets, and anticipated credit losses, including expected static pool losses).",
        "label": "Schedule of Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Table]",
        "terseLabel": "Schedule of Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Table]"
       }
      }
     },
     "localname": "AssumptionForFairValueOnSecuritizationDateOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": {
     "auth_ref": [
      "r140"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax",
        "terseLabel": "Gross Unrealized Gains"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": {
     "auth_ref": [
      "r141"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax",
        "negatedLabel": "Gross Unrealized Losses"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": {
     "auth_ref": [
      "r137",
      "r167"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Amortized Cost",
        "terseLabel": "Securities available for sale at amortized cost",
        "totalLabel": "Amortized Cost",
        "verboseLabel": "Amortized Cost"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost": {
     "auth_ref": [
      "r144"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost",
        "terseLabel": "amortized cost, after 1 year through 5 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue": {
     "auth_ref": [
      "r142",
      "r144",
      "r410"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value",
        "terseLabel": "Fair value, after 1 year through 5 years"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract]",
        "terseLabel": "Fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract]",
        "terseLabel": "Amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost": {
     "auth_ref": [
      "r143"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost",
        "terseLabel": "Amortized cost, within 1 year"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue": {
     "auth_ref": [
      "r142",
      "r143",
      "r409"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value",
        "terseLabel": "Fair value, within 1 year"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtSecurities": {
     "auth_ref": [
      "r134",
      "r138",
      "r167"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 11.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale",
        "netLabel": "Securities available for sale (includes $245,083 and $271,173 at amortized cost, $15,571 and $0 in allowance for credit losses, and $148,809 and $174,849 pledged as collateral at fair value, respectively)",
        "terseLabel": "Fair Value",
        "totalLabel": "Fair value",
        "verboseLabel": "Securities available for sale at fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableforsaleSecuritiesMember": {
     "auth_ref": [
      "r152"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Available-for-sale Securities [Member]",
        "terseLabel": "Securities Available for Sale"
       }
      }
     },
     "localname": "AvailableforsaleSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r246",
      "r261"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of award under share-based payment arrangement.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type [Axis]"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "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 [Axis]"
       }
      }
     },
     "localname": "BalanceSheetLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/OtherAssetsDetail",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "auth_ref": [
      "r301",
      "r302"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Domain]",
        "terseLabel": "Balance Sheet Location [Domain]",
        "verboseLabel": "Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Domain]"
       }
      }
     },
     "localname": "BalanceSheetLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/OtherAssetsDetail",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BankServicingMember": {
     "auth_ref": [
      "r233"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collection and processing of payment on mortgage, credit card and other financial asset held by others.",
        "label": "Bank Servicing [Member]",
        "terseLabel": "Investor fees"
       }
      }
     },
     "localname": "BankServicingMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionAcquireeDomain": {
     "auth_ref": [],
     "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 [Domain]"
       }
      }
     },
     "localname": "BusinessAcquisitionAcquireeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionAxis": {
     "auth_ref": [
      "r271",
      "r272"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by business combination or series of individually immaterial business combinations.",
        "label": "Business Acquisition [Axis]",
        "terseLabel": "Business Acquisition [Axis]"
       }
      }
     },
     "localname": "BusinessAcquisitionAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BusinessCombinationConsiderationTransferred1": {
     "auth_ref": [
      "r274",
      "r275",
      "r277"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.",
        "label": "Business Combination, Consideration Transferred",
        "terseLabel": "Value of cash and stock transaction"
       }
      }
     },
     "localname": "BusinessCombinationConsiderationTransferred1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BusinessCombinationContingentConsiderationLiability": {
     "auth_ref": [
      "r273",
      "r276",
      "r278"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liability recognized arising from contingent consideration in a business combination.",
        "label": "Business Combination, Contingent Consideration, Liability",
        "terseLabel": "Contingent purchase price and expense adjustments"
       }
      }
     },
     "localname": "BusinessCombinationContingentConsiderationLiability",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalExpendituresIncurredButNotYetPaid": {
     "auth_ref": [
      "r84",
      "r85",
      "r86"
     ],
     "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": "Accruals for property, equipment and software"
       }
      }
     },
     "localname": "CapitalExpendituresIncurredButNotYetPaid",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalizedComputerSoftwareGross": {
     "auth_ref": [
      "r440"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.",
        "label": "Capitalized Computer Software, Gross",
        "terseLabel": "Purchased software"
       }
      }
     },
     "localname": "CapitalizedComputerSoftwareGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalizedContractCostGross": {
     "auth_ref": [
      "r183"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.",
        "label": "Capitalized Contract Cost, Gross",
        "terseLabel": "Deferred contract costs"
       }
      }
     },
     "localname": "CapitalizedContractCostGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CarryingReportedAmountFairValueDisclosureMember": {
     "auth_ref": [
      "r322",
      "r323"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as reported on the statement of financial position (balance sheet).",
        "label": "Reported Value Measurement [Member]",
        "terseLabel": "Carrying Amount"
       }
      }
     },
     "localname": "CarryingReportedAmountFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r2",
      "r17",
      "r82"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "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",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion 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.",
        "label": "Cash and Cash Equivalents, Fair Value Disclosure",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r75",
      "r82",
      "r87"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical": {
       "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, End of Period",
        "periodStartLabel": "Cash, Cash Equivalents and Restricted Cash, Beginning of Period",
        "totalLabel": "Total cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r75",
      "r326"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "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 Decrease in Cash, Cash Equivalents and Restricted Cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertificatesOfDepositMember": {
     "auth_ref": [
      "r412"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.",
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock [Domain]"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Class of Stock [Line Items]",
        "terseLabel": "Class of Stock [Line Items]"
       }
      }
     },
     "localname": "ClassOfStockLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommercialPaperMember": {
     "auth_ref": [
      "r206"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unsecured promissory note (generally negotiable) that provides institutions with short-term funds.",
        "label": "Commercial Paper [Member]",
        "terseLabel": "Commercial paper"
       }
      }
     },
     "localname": "CommercialPaperMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r202",
      "r205"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r13"
     ],
     "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 ($ per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r13"
     ],
     "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",
        "verboseLabel": "Common stock, authorized (shares)"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r13"
     ],
     "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"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r13",
      "r212"
     ],
     "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",
        "terseLabel": "Common stock, shares outstanding"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r13"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "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",
        "terseLabel": "Common stock, $0.01 par value; 180,000,000 shares authorized; 70,938,835 and 89,218,797 shares issued, respectively; 70,938,835 and 88,757,406 shares outstanding, respectively"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock": {
     "auth_ref": [
      "r236",
      "r237",
      "r242",
      "r265"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.",
        "label": "Compensation and Employee Benefit Plans [Text Block]",
        "terseLabel": "Employee Incentive Plans"
       }
      }
     },
     "localname": "CompensationAndEmployeeBenefitPlansTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlans"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r43",
      "r45",
      "r46"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossCalc2": {
       "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": "LendingClub comprehensive loss"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r43",
      "r45",
      "r282",
      "r283",
      "r299"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossCalc2": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest",
        "terseLabel": "Comprehensive income attributable to noncontrolling interests"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r43",
      "r45",
      "r281",
      "r299"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossCalc2": {
       "order": 2.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "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. Excludes changes in equity resulting from investments by owners and distributions to owners.",
        "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest",
        "terseLabel": "Total comprehensive loss"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConcentrationRiskBenchmarkDomain": {
     "auth_ref": [
      "r114",
      "r115",
      "r324",
      "r325"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "ConcentrationRiskBenchmarkDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConcentrationRiskByBenchmarkAxis": {
     "auth_ref": [
      "r114",
      "r115",
      "r324",
      "r325",
      "r428"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by benchmark of concentration risk.",
        "label": "Concentration Risk Benchmark [Axis]",
        "terseLabel": "Concentration Risk Benchmark [Axis]"
       }
      }
     },
     "localname": "ConcentrationRiskByBenchmarkAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConstructionInProgressGross": {
     "auth_ref": [
      "r191"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 6.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.",
        "label": "Construction in Progress, Gross",
        "terseLabel": "Construction in progress"
       }
      }
     },
     "localname": "ConstructionInProgressGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConstructionInProgressMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.",
        "label": "Construction in Progress [Member]",
        "terseLabel": "Construction in Progress"
       }
      }
     },
     "localname": "ConstructionInProgressMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConsumerLoanMember": {
     "auth_ref": [
      "r165"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan or extension of credit for personal, family, or household use excluding real estate.",
        "label": "Consumer Loan [Member]",
        "terseLabel": "Off-balance Sheet Loans"
       }
      }
     },
     "localname": "ConsumerLoanMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ContractWithCustomerAssetNet": {
     "auth_ref": [
      "r225",
      "r227",
      "r232"
     ],
     "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.",
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss",
        "terseLabel": "Contract assets"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiability": {
     "auth_ref": [
      "r225",
      "r226",
      "r232"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 7.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "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.",
        "label": "Contract with Customer, Liability",
        "terseLabel": "Deferred revenue"
       }
      }
     },
     "localname": "ContractWithCustomerLiability",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized": {
     "auth_ref": [
      "r228"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied.",
        "label": "Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized",
        "terseLabel": "Revenue recognized from performance obligations related to prior periods"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConversionOfStockSharesConverted1": {
     "auth_ref": [
      "r84",
      "r85",
      "r86"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.",
        "label": "Conversion of Stock, Shares Converted",
        "terseLabel": "Conversion of stock, shares converted",
        "verboseLabel": "Conversion of stock, shares of common stock converted and retired"
       }
      }
     },
     "localname": "ConversionOfStockSharesConverted1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ConversionOfStockSharesIssued1": {
     "auth_ref": [
      "r84",
      "r85",
      "r86"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.",
        "label": "Conversion of Stock, Shares Issued",
        "terseLabel": "Conversion of stock, shares issued"
       }
      }
     },
     "localname": "ConversionOfStockSharesIssued1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion": {
     "auth_ref": [
      "r11",
      "r12",
      "r213",
      "r216"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares issued for each share of convertible preferred stock that is converted.",
        "label": "Convertible Preferred Stock, Shares Issued upon Conversion",
        "terseLabel": "Convertible preferred stock, issued upon conversion (shares)"
       }
      }
     },
     "localname": "ConvertiblePreferredStockSharesIssuedUponConversion",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CorporateDebtSecuritiesMember": {
     "auth_ref": [
      "r238",
      "r241",
      "r427"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt securities issued by domestic or foreign corporate business, banks and other entities with a promise of repayment.",
        "label": "Corporate Debt Securities [Member]",
        "terseLabel": "Corporate debt securities"
       }
      }
     },
     "localname": "CorporateDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "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 [Axis]"
       }
      }
     },
     "localname": "CreditFacilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "CreditFacilityDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r207"
     ],
     "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]",
        "verboseLabel": "Debt"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/Debt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r8",
      "r9",
      "r10",
      "r399",
      "r400",
      "r414"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument [Axis]"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "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": "Borrowings interest rate spread (percent)"
       }
      }
     },
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r26"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name [Domain]"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r26",
      "r95",
      "r213",
      "r217",
      "r218",
      "r219",
      "r328",
      "r329",
      "r331",
      "r413"
     ],
     "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": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss": {
     "auth_ref": [
      "r139",
      "r167",
      "r177",
      "r180"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss",
        "negatedPeriodEndLabel": "Allowance for credit losses, ending",
        "negatedPeriodStartLabel": "Allowance for Credit Losses, beginning",
        "negatedTerseLabel": "Allowance for Credit Losses",
        "verboseLabel": "Securities available for sale, allowance for credit losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded": {
     "auth_ref": [
      "r178"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), for which no credit loss was previously recorded.",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded",
        "terseLabel": "Provision for credit loss expense"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease": {
     "auth_ref": [
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in allowance for credit loss of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss, Period Increase (Decrease)",
        "terseLabel": "Credit loss expense"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease": {
     "auth_ref": [
      "r179"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase in allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and beneficial interest, purchased with credit deterioration.",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase",
        "negatedTerseLabel": "Allowance arising from PCD financial assets"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]",
        "terseLabel": "Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLossRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossTable": {
     "auth_ref": [
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss [Table]",
        "terseLabel": "Debt Securities, Available-for-sale, Allowance for Credit Loss [Table]"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLossTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossTableTextBlock": {
     "auth_ref": [
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Allowance for Credit Loss [Table Text Block]",
        "terseLabel": "Allowance for Credit Losses for Securities Available for Sale"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLossTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger": {
     "auth_ref": [
      "r150",
      "r175",
      "r182"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer",
        "terseLabel": "Fair Value, 12 months or longer"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": {
     "auth_ref": [
      "r150",
      "r175"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss",
        "negatedLabel": "Unrealized Losses, 12 months or longer"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": {
     "auth_ref": [
      "r150",
      "r175",
      "r182"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months",
        "terseLabel": "Fair Value, Less than 12 months"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": {
     "auth_ref": [
      "r150",
      "r175"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss",
        "negatedLabel": "Unrealized Losses, Less than 12 months"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate": {
     "auth_ref": [
      "r169"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of allowance for credit loss at acquisition date of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.",
        "label": "Debt Securities, Available-for-sale, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date",
        "terseLabel": "Allowance for credit losses on PCD securities at acquisition"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtParValue": {
     "auth_ref": [
      "r170"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount at par value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.",
        "label": "Debt Securities, Available-for-sale, Purchased with Credit Deterioration, Amount at Par Value",
        "terseLabel": "Par value of acquired PCD securities at acquisition"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtParValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice": {
     "auth_ref": [
      "r168"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount at purchase price of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.",
        "label": "Debt Securities, Available-for-sale, Purchased with Credit Deterioration, Amount at Purchase Price",
        "totalLabel": "Purchase price of PCD securities at acquisition"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleSecuritiesPurchasedWithCreditDeteriorationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleRealizedGain": {
     "auth_ref": [
      "r153"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Realized Gain",
        "terseLabel": "Gross realized gains"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleRealizedGain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleProceedsAndGrossRealizedGainsAndLossesFromSalesOfOtherSecuritiesAvailableForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss": {
     "auth_ref": [
      "r153"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Realized Gain (Loss)",
        "terseLabel": "Realized gains (losses) on sale of asset-backed securities"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleRealizedGainLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss": {
     "auth_ref": [
      "r153"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Realized Loss",
        "negatedTerseLabel": "Gross realized losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleRealizedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleProceedsAndGrossRealizedGainsAndLossesFromSalesOfOtherSecuritiesAvailableForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleTable": {
     "auth_ref": [
      "r155"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale [Table]",
        "terseLabel": "Debt Securities, Available-for-sale [Table]"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition": {
     "auth_ref": [
      "r147",
      "r171",
      "r182"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position",
        "totalLabel": "Fair Value"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss": {
     "auth_ref": [
      "r148",
      "r172"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss",
        "negatedTotalLabel": "Unrealized Losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock": {
     "auth_ref": [
      "r146",
      "r174",
      "r182"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table Text Block]",
        "terseLabel": "Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions": {
     "auth_ref": [
      "r149",
      "r173"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions",
        "terseLabel": "Number of positions with unrealized losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DebtSecuritiesAvailableforsaleAllowanceForCreditLossLineItems": {
     "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 Securities, Available-for-sale, Allowance for Credit Loss [Line Items]",
        "terseLabel": "Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableforsaleAllowanceForCreditLossLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]"
       }
      }
     },
     "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized": {
     "auth_ref": [
      "r371"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is the principal amount of loans (across all types of loans) that are overdue in payment by a set number of days.",
        "label": "Delinquent Amount at End of Period on Loans Managed and Securitized or Asset-backed Financing Arrangement",
        "terseLabel": "Off-balance sheet loans, principal amount outstanding, 31 days or more past due"
       }
      }
     },
     "localname": "DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "auth_ref": [
      "r80",
      "r120"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "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",
        "verboseLabel": "Depreciation and amortization expense"
       }
      }
     },
     "localname": "DepreciationDepletionAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Disaggregation of Revenue [Line Items]",
        "terseLabel": "Disaggregation of Revenue [Line Items]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTable": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTableTextBlock": {
     "auth_ref": [
      "r231"
     ],
     "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": "Schedule of Disaggregation of Revenue by Source"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersTables"
     ],
     "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/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisclosureOfServicingLiabilitiesAtFairValueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Disclosure of Servicing Liabilities at Fair Value [Abstract]",
        "terseLabel": "Servicing Liabilities, Changes in fair value due to:"
       }
      }
     },
     "localname": "DisclosureOfServicingLiabilitiesAtFairValueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share [Abstract]"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDiluted": {
     "auth_ref": [
      "r107"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or 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, Basic and Diluted",
        "terseLabel": "Net loss per share \u2013 Basic and Diluted ($ per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDiluted",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Basic and Diluted [Abstract]",
        "terseLabel": "Net loss per share attributable to common stockholders:"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDilutedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasicLineItems": {
     "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": "Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]",
        "terseLabel": "Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]"
       }
      }
     },
     "localname": "EarningsPerShareBasicLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerSharePolicyTextBlock": {
     "auth_ref": [
      "r88",
      "r109",
      "r110",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.",
        "label": "Earnings Per Share, Policy [Policy Text Block]",
        "terseLabel": "Net Income (Loss) Per Share"
       }
      }
     },
     "localname": "EarningsPerSharePolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r113"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Net Income (Loss) Per Share"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent": {
     "auth_ref": [
      "r403",
      "r421"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "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.",
        "label": "Employee-related Liabilities",
        "terseLabel": "Accrued compensation"
       }
      }
     },
     "localname": "EmployeeRelatedLiabilitiesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount": {
     "auth_ref": [
      "r259"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cost capitalized for award under share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Amount Capitalized",
        "terseLabel": "Stock-based compensation expense, capitalized amount"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": {
     "auth_ref": [
      "r260"
     ],
     "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": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions": {
     "auth_ref": [
      "r260"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.",
        "label": "Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount",
        "terseLabel": "Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount"
       }
      }
     },
     "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EmployeeSeveranceMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Termination of an employee associated with exit from or disposal of business activities or restructurings pursuant to a plan.",
        "label": "Employee Severance [Member]",
        "terseLabel": "Compensation Costs"
       }
      }
     },
     "localname": "EmployeeSeveranceMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EmployeeStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "An Employee Stock Purchase Plan is a tax-efficient means by which employees of a corporation can purchase the corporation's stock.",
        "label": "Employee Stock [Member]",
        "verboseLabel": "ESPP"
       }
      }
     },
     "localname": "EmployeeStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EmployeeStockOptionMember": {
     "auth_ref": [
      "r256"
     ],
     "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"
       }
      }
     },
     "localname": "EmployeeStockOptionMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Equity [Abstract]"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r212"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvestmentOwnershipPercentage": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.",
        "label": "Equity Method Investment, Ownership Percentage",
        "terseLabel": "Ownership (percent)"
       }
      }
     },
     "localname": "EquityMethodInvestmentOwnershipPercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EquityMethodInvestments": {
     "auth_ref": [
      "r18",
      "r123",
      "r156"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.",
        "label": "Equity Method Investments",
        "terseLabel": "Equity method investment",
        "verboseLabel": "Other assets"
       }
      }
     },
     "localname": "EquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EstimateOfFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r321"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as an estimate of fair value.",
        "label": "Estimate of Fair Value Measurement [Member]",
        "terseLabel": "Balance at Fair Value"
       }
      }
     },
     "localname": "EstimateOfFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "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": "Eurocurrency Rate"
       }
      }
     },
     "localname": "EurodollarMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r306",
      "r307",
      "r308",
      "r317"
     ],
     "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, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock": {
     "auth_ref": [
      "r306",
      "r307",
      "r308",
      "r316",
      "r317"
     ],
     "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 Hierarchy of Assets and Liabilities Measured on a Recurring Basis"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.",
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]",
        "terseLabel": "Quantitative Information about Significant Unobservable Inputs Used for Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": {
     "auth_ref": [
      "r312"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Class of asset.",
        "label": "Asset Class [Domain]",
        "terseLabel": "Asset Class [Domain]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]",
        "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssumptionDateOfSecuritizationOrAssetBackedFinancingArrangementTransferorsContinuingInvolvementServicingAssetsOrLiabilitiesWeightedAverageLife": {
     "auth_ref": [
      "r367"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average life of securitized assets for initial fair value measurement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities, Weighted Average Life",
        "terseLabel": "Expected weighted-average life (in years)"
       }
      }
     },
     "localname": "FairValueAssumptionDateOfSecuritizationOrAssetBackedFinancingArrangementTransferorsContinuingInvolvementServicingAssetsOrLiabilitiesWeightedAverageLife",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": {
     "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, Balance Sheet Grouping, Financial Statement Captions [Line Items]",
        "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]"
       }
      }
     },
     "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByAssetClassAxis": {
     "auth_ref": [
      "r306",
      "r317"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by class of asset.",
        "label": "Asset Class [Axis]",
        "terseLabel": "Asset Class [Axis]"
       }
      }
     },
     "localname": "FairValueByAssetClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "auth_ref": [
      "r306",
      "r322",
      "r323"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table]",
        "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTextBlock": {
     "auth_ref": [
      "r306",
      "r322"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]",
        "terseLabel": "Fair Value, by Balance Sheet Grouping"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r238",
      "r239",
      "r241",
      "r307",
      "r362"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
        "label": "Fair Value Hierarchy and NAV [Axis]",
        "terseLabel": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByLiabilityClassAxis": {
     "auth_ref": [
      "r315",
      "r317"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by class of liability.",
        "label": "Liability Class [Axis]",
        "terseLabel": "Liability Class [Axis]"
       }
      }
     },
     "localname": "FairValueByLiabilityClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementBasisAxis": {
     "auth_ref": [
      "r306",
      "r318"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement basis.",
        "label": "Measurement Basis [Axis]",
        "terseLabel": "Measurement Basis [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementBasisAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "auth_ref": [
      "r306",
      "r307",
      "r310",
      "r311",
      "r319"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement frequency.",
        "label": "Measurement Frequency [Axis]",
        "terseLabel": "Measurement Frequency [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementFrequencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosureItemAmountsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.",
        "label": "Fair Value Measurement [Domain]",
        "terseLabel": "Fair Value Measurement [Domain]"
       }
      }
     },
     "localname": "FairValueDisclosureItemAmountsDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r315"
     ],
     "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 of Assets and Liabilities"
       }
      }
     },
     "localname": "FairValueDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "auth_ref": [
      "r238",
      "r239",
      "r241",
      "r307",
      "r363"
     ],
     "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 Inputs"
       }
      }
     },
     "localname": "FairValueInputsLevel1Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r238",
      "r239",
      "r241",
      "r307",
      "r364"
     ],
     "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 Inputs"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "auth_ref": [
      "r238",
      "r239",
      "r241",
      "r307",
      "r365"
     ],
     "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 Inputs"
       }
      }
     },
     "localname": "FairValueInputsLevel3Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": {
     "auth_ref": [
      "r312"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]",
        "terseLabel": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable": {
     "auth_ref": [
      "r312",
      "r317"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": {
     "auth_ref": [
      "r312",
      "r317"
     ],
     "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": "Fair Value, Liabilities Measured on Recurring Basis"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement frequency.",
        "label": "Measurement Frequency [Domain]",
        "terseLabel": "Measurement Frequency [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementFrequencyDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1": {
     "auth_ref": [
      "r313"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings",
        "negatedTotalLabel": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of issuances of financial instrument classified as an asset 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, Asset, Issuances",
        "totalLabel": "Fair Value, Issuances"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of purchases of financial instrument classified as an asset 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, Asset, Purchases",
        "totalLabel": "Fair Value, Purchases"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract]",
        "terseLabel": "Loans"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of sale of financial instrument classified as an asset 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, Asset, Sales",
        "negatedTotalLabel": "Fair Value, Sales"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of settlement of financial instrument classified as an asset 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, Asset, Settlements",
        "negatedTotalLabel": "Fair Value, Principal payments and retirements"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial instrument classified as an asset 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, Asset Value",
        "periodEndLabel": "Fair Value, Ending",
        "periodStartLabel": "Fair Value, Beginning",
        "verboseLabel": "Loans held for investment and loans held for sale, fair value"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings": {
     "auth_ref": [
      "r313"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings",
        "negatedTerseLabel": "Change in fair value, included in Origination and Servicing",
        "terseLabel": "Change in unrealized gain (loss)",
        "totalLabel": "Fair Value, Change in fair value recorded in earnings"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of issuances 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, Issuances",
        "terseLabel": "Issuances",
        "totalLabel": "Fair Value, Issuances"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of purchases 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, Purchases",
        "terseLabel": "Additions",
        "totalLabel": "Fair Value, Purchases"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) [Abstract]",
        "terseLabel": "Notes and Certificates"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of sales 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, Sales",
        "negatedTotalLabel": "Fair Value, Sales"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements": {
     "auth_ref": [
      "r314"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of settlements 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, Settlements",
        "negatedLabel": "Cash payment of Loan Trailing Fee",
        "negatedTerseLabel": "Cash received",
        "negatedTotalLabel": "Fair Value, Principal payments and retirements"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net",
        "totalLabel": "Fair Value, Transfers"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTrailingFeeLiabilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [],
     "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 [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsRecurringMember": {
     "auth_ref": [
      "r315",
      "r319"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.",
        "label": "Fair Value, Recurring [Member]",
        "terseLabel": "Fair Value, Measurements, Recurring"
       }
      }
     },
     "localname": "FairValueMeasurementsRecurringMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutLoansNotesCertificatesAndSecuredBorrowingsMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems": {
     "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, Off-balance Sheet Risks, Disclosure Information [Line Items]",
        "terseLabel": "Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]"
       }
      }
     },
     "localname": "FairValueOffBalanceSheetRisksDisclosureInformationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FederalFundsEffectiveSwapRateMember": {
     "auth_ref": [
      "r305"
     ],
     "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 Rate"
       }
      }
     },
     "localname": "FederalFundsEffectiveSwapRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancialInstrumentAxis": {
     "auth_ref": [
      "r159",
      "r161",
      "r162",
      "r163",
      "r164",
      "r174",
      "r176",
      "r181",
      "r182"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of financial instrument.",
        "label": "Financial Instrument [Axis]",
        "terseLabel": "Financial Instrument [Axis]"
       }
      }
     },
     "localname": "FinancialInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancialServiceMember": {
     "auth_ref": [
      "r233"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial assistance, including, but not limited to, management and maintenance of depositor account, credit card, merchant discount, trust, investment and insurance.",
        "label": "Financial Service [Member]",
        "terseLabel": "Transaction fees"
       }
      }
     },
     "localname": "FinancialServiceMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsNet": {
     "auth_ref": [
      "r186"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "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",
        "terseLabel": "Intangible assets, net",
        "verboseLabel": "Intangible assets, net"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FixturesAndEquipmentGross": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines.",
        "label": "Fixtures and Equipment, Gross",
        "terseLabel": "Computer equipment"
       }
      }
     },
     "localname": "FixturesAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FurnitureAndFixturesGross": {
     "auth_ref": [
      "r191"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
        "label": "Furniture and Fixtures, Gross",
        "terseLabel": "Furniture and fixtures"
       }
      }
     },
     "localname": "FurnitureAndFixturesGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSalesOfLoansNet": {
     "auth_ref": [
      "r80",
      "r407",
      "r424"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "lc_NetInvestorRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.",
        "label": "Gain (Loss) on Sales of Loans, Net",
        "terseLabel": "Gain on sales of loans"
       }
      }
     },
     "localname": "GainLossOnSalesOfLoansNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSecuritizationOfFinancialAssets": {
     "auth_ref": [
      "r53",
      "r54",
      "r80",
      "r361",
      "r404",
      "r423"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A gain (loss) realized on a transfer, accounted for as a sale, of all or a portion of financial assets in which the transferor surrenders control and receives consideration other than a beneficial interest in the assets transferred. Reflects the amount of sales proceeds in excess of, or deficient from, the sum of the carrying amounts of transferred financial assets plus transaction costs.",
        "label": "Gain (Loss) on Securitization of Financial Assets",
        "terseLabel": "Net gains (losses) recognized from loans securitized or sold"
       }
      }
     },
     "localname": "GainLossOnSecuritizationOfFinancialAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r56"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.",
        "label": "General and Administrative Expense",
        "terseLabel": "Other general and administrative"
       }
      }
     },
     "localname": "GeneralAndAdministrativeExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GeneralAndAdministrativeExpenseMember": {
     "auth_ref": [
      "r51"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing general and administrative expense.",
        "label": "General and Administrative Expense [Member]",
        "terseLabel": "Other general and administrative"
       }
      }
     },
     "localname": "GeneralAndAdministrativeExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Goodwill and Intangible Assets Disclosure [Abstract]"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r189"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for goodwill and intangible assets.",
        "label": "Goodwill and Intangible Assets Disclosure [Text Block]",
        "terseLabel": "Intangible Assets"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/IntangibleAssets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill": {
     "auth_ref": [
      "r80",
      "r188"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.",
        "label": "Impairment of Intangible Assets (Excluding Goodwill)",
        "terseLabel": "Impairment of intangible assets"
       }
      }
     },
     "localname": "ImpairmentOfIntangibleAssetsExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/IntangibleAssetsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": {
     "auth_ref": [
      "r97"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.",
        "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest",
        "totalLabel": "Loss before income tax expense"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "auth_ref": [
      "r194"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location in the income statement.",
        "label": "Income Statement Location [Axis]",
        "terseLabel": "Income Statement Location [Axis]"
       }
      }
     },
     "localname": "IncomeStatementLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails",
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the income statement.",
        "label": "Income Statement Location [Domain]",
        "terseLabel": "Income Statement Location [Domain]"
       }
      }
     },
     "localname": "IncomeStatementLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails",
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "auth_ref": [
      "r270"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/IncomeTaxes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r90",
      "r121",
      "r268"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest",
       "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)",
        "verboseLabel": "Income tax expense (benefit)"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/IncomeTaxesIncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayable": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "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 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"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.",
        "label": "Increase (Decrease) in Accrued Interest Receivable, Net",
        "negatedLabel": "Accrued interest receivable, net"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedInterestReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 15.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in accrued expenses, and obligations classified as other.",
        "label": "Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities",
        "terseLabel": "Accrued expenses and other liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInterestPayableNet": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity.",
        "label": "Increase (Decrease) in Interest Payable, Net",
        "terseLabel": "Accrued interest payable"
       }
      }
     },
     "localname": "IncreaseDecreaseInInterestPayableNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Net change in operating assets and liabilities:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherOperatingAssets": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in operating assets classified as other.",
        "label": "Increase (Decrease) in Other Operating Assets",
        "negatedLabel": "Other assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]"
       }
      }
     },
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r48",
      "r119",
      "r327",
      "r330",
      "r408"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "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"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseRelatedParty": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest expense incurred on a debt or other obligation to related party.",
        "label": "Interest Expense, Related Party",
        "terseLabel": "Expense"
       }
      }
     },
     "localname": "InterestExpenseRelatedParty",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeExpenseNet": {
     "auth_ref": [
      "r406"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "lc_NetInvestorRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net amount of operating interest income (expense).",
        "label": "Interest Income (Expense), Net",
        "terseLabel": "Net interest income",
        "totalLabel": "Net interest income and fair value adjustments"
       }
      }
     },
     "localname": "InterestIncomeExpenseNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeExpenseNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Interest Income (Expense), Net [Abstract]",
        "terseLabel": "Net interest income and fair value adjustments:"
       }
      }
     },
     "localname": "InterestIncomeExpenseNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InterestIncomeOperating": {
     "auth_ref": [
      "r55"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.",
        "label": "Interest Income, Operating",
        "terseLabel": "Interest income"
       }
      }
     },
     "localname": "InterestIncomeOperating",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPaidNet": {
     "auth_ref": [
      "r71",
      "r77",
      "r83"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r403",
      "r421"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest payable on debt, including, but not limited to, trade payables.",
        "label": "Interest Payable",
        "verboseLabel": "Accrued interest payable"
       }
      }
     },
     "localname": "InterestPayableCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestReceivable": {
     "auth_ref": [
      "r31"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.",
        "label": "Interest Receivable",
        "verboseLabel": "Accrued interest receivable"
       }
      }
     },
     "localname": "InterestReceivable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentTypeAxis": {
     "auth_ref": [
      "r434",
      "r435",
      "r436",
      "r437"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of investments.",
        "label": "Investment Type [Axis]",
        "terseLabel": "Investment Type [Axis]"
       }
      }
     },
     "localname": "InvestmentTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "auth_ref": [
      "r434",
      "r435",
      "r436",
      "r437"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset obtained to generate income or appreciate in value.",
        "label": "Investments [Domain]",
        "terseLabel": "Investments [Domain]"
       }
      }
     },
     "localname": "InvestmentTypeCategorizationMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.",
        "label": "Investments Classified by Contractual Maturity Date [Table Text Block]",
        "terseLabel": "Available-for-sale Securities by Contractual Maturity"
       }
      }
     },
     "localname": "InvestmentsClassifiedByContractualMaturityDateTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investments, Debt and Equity Securities [Abstract]"
       }
      }
     },
     "localname": "InvestmentsDebtAndEquitySecuritiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r155",
      "r395",
      "r411",
      "r438"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for  investments in certain debt and equity securities.",
        "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]",
        "terseLabel": "Securities Available for Sale"
       }
      }
     },
     "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSale"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InvestmentsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Assets held for their financial return, rather than for the entity's operations.",
        "label": "Investments [Member]",
        "terseLabel": "Investment Fund"
       }
      }
     },
     "localname": "InvestmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LeaseCost": {
     "auth_ref": [
      "r346",
      "r348"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease cost recognized by lessee for lease contract.",
        "label": "Lease, Cost",
        "negatedTotalLabel": "Net lease costs"
       }
      }
     },
     "localname": "LeaseCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LeaseCostTableTextBlock": {
     "auth_ref": [
      "r346"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.",
        "label": "Lease, Cost [Table Text Block]",
        "terseLabel": "Lease Costs"
       }
      }
     },
     "localname": "LeaseCostTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LeaseholdImprovementsGross": {
     "auth_ref": [
      "r3",
      "r191"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_PropertyPlantAndEquipmentGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.",
        "label": "Leasehold Improvements, Gross",
        "terseLabel": "Leasehold improvements"
       }
      }
     },
     "localname": "LeaseholdImprovementsGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LeaseholdImprovementsMember": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Additions or improvements to assets held under a lease arrangement.",
        "label": "Leasehold Improvements [Member]",
        "terseLabel": "Leasehold Improvements and Furniture and Fixtures"
       }
      }
     },
     "localname": "LeaseholdImprovementsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LeasesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Leases [Abstract]"
       }
      }
     },
     "localname": "LeasesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeLeaseDescriptionLineItems": {
     "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": "Lessee, Lease, Description [Line Items]",
        "terseLabel": "Lessee, Lease, Description [Line Items]"
       }
      }
     },
     "localname": "LesseeLeaseDescriptionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails",
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeLeaseDescriptionTable": {
     "auth_ref": [
      "r338"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about lessee's leases.",
        "label": "Lessee, Lease, Description [Table]",
        "terseLabel": "Lessee, Lease, Description [Table]"
       }
      }
     },
     "localname": "LesseeLeaseDescriptionTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails",
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1": {
     "auth_ref": [
      "r337"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract",
        "terseLabel": "Lease term of operating lease not yet commenced"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": {
     "auth_ref": [
      "r347"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.",
        "label": "Lessee, Operating Lease, Liability, Maturity [Table Text Block]",
        "terseLabel": "Future Minimum Undiscounted Lease Payments"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 1.0,
       "parentTag": "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDue",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetailsCalc2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due",
        "totalLabel": "Total lease payments (1)"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Five",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Four",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Three",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Two",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 1.0,
       "parentTag": "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeRemainderofFiscalYear",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year",
        "terseLabel": "Remainder of 2020"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": {
     "auth_ref": [
      "r347"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetailsCalc2": {
       "order": 1.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.",
        "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
        "terseLabel": "Discount effect"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseRenewalTerm": {
     "auth_ref": [
      "r336"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessee, Operating Lease, Renewal Term",
        "terseLabel": "Lease renewal term"
       }
      }
     },
     "localname": "LesseeOperatingLeaseRenewalTerm",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LesseeOperatingLeaseTermOfContract": {
     "auth_ref": [
      "r336"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessee, Operating Lease, Term of Contract",
        "terseLabel": "Lease term"
       }
      }
     },
     "localname": "LesseeOperatingLeaseTermOfContract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LesseeOperatingLeasesTextBlock": {
     "auth_ref": [
      "r349"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.",
        "label": "Lessee, Operating Leases [Text Block]",
        "terseLabel": "Leases"
       }
      }
     },
     "localname": "LesseeOperatingLeasesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/Leases"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsFiscalYearMaturityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceived": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 2.0,
       "parentTag": "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDue",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor for operating lease.",
        "label": "Lessor, Operating Lease, Payments to be Received",
        "negatedTotalLabel": "Total lease payments (1)"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceived",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in fifth fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Five Years",
        "negatedLabel": "2024"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedFiveYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in fourth year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Four Years",
        "negatedLabel": "2023"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedFourYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 2.0,
       "parentTag": "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeRemainderofFiscalYear",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in remainder of fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year",
        "negatedLabel": "Remainder of 2020"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 2.0,
       "parentTag": "lc_LesseeOperatingLeaseLiabilityPaymentsNetofSubleaseIncomeDueafterYearFive",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor after fifth fiscal year following latest statement of financial position date for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Thereafter",
        "negatedLabel": "Thereafter"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedThereafter",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in third fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Three Years",
        "negatedLabel": "2022"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedThreeYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears": {
     "auth_ref": [
      "r350"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in second fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Two Years",
        "negatedLabel": "2021"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedTwoYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LettersOfCreditOutstandingAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.",
        "label": "Letters of Credit Outstanding, Amount",
        "terseLabel": "Letters of credit outstanding, amount"
       }
      }
     },
     "localname": "LettersOfCreditOutstandingAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r24"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails": {
       "order": 2.0,
       "parentTag": "lc_VariableInterestEntityCarryingAmountAssetsandLiabilitiesNet",
       "weight": -1.0
      },
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsNet",
       "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",
        "negatedTerseLabel": "Liabilities",
        "netLabel": "Total liabilities of consolidated variable interest entities",
        "terseLabel": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities [Abstract]",
        "terseLabel": "Liabilities and Equity"
       }
      }
     },
     "localname": "LiabilitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r16",
      "r401",
      "r419"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "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 equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesFairValueAdjustment": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.",
        "label": "Liabilities, Fair Value Adjustment",
        "terseLabel": "Fair value adjustments"
       }
      }
     },
     "localname": "LiabilitiesFairValueAdjustment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesFairValueDisclosure": {
     "auth_ref": [
      "r306"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial and nonfinancial obligations.",
        "label": "Financial and Nonfinancial Liabilities, Fair Value Disclosure",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "LiabilitiesFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCredit": {
     "auth_ref": [
      "r10",
      "r400",
      "r414"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
        "label": "Long-term Line of Credit",
        "verboseLabel": "Debt outstanding under credit facility"
       }
      }
     },
     "localname": "LineOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r22"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "terseLabel": "Maximum borrowing capacity"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.",
        "label": "Line of Credit Facility, Unused Capacity, Commitment Fee Percentage",
        "terseLabel": "Unused commitment fee (percent)"
       }
      }
     },
     "localname": "LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_LinesOfCreditCurrent": {
     "auth_ref": [
      "r8",
      "r399"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
        "label": "Line of Credit, Current",
        "terseLabel": "Line of credit, current"
       }
      }
     },
     "localname": "LinesOfCreditCurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LoansHeldForSaleFairValueDisclosure": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 9.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.",
        "label": "Loans Held-for-sale, Fair Value Disclosure",
        "netLabel": "Loans held for sale by the Company, fair value",
        "terseLabel": "Loans held for sale by the Company",
        "verboseLabel": "Loans held for sale by the Company at fair value"
       }
      }
     },
     "localname": "LoansHeldForSaleFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LoansPledgedAsCollateral": {
     "auth_ref": [
      "r130",
      "r373"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.",
        "label": "Loans Pledged as Collateral",
        "terseLabel": "Loans pledged as collateral"
       }
      }
     },
     "localname": "LoansPledgedAsCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LoansReceivableFairValueDisclosure": {
     "auth_ref": [
      "r133"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 10.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.",
        "label": "Loans Receivable, Fair Value Disclosure",
        "netLabel": "Loans held for investment at fair value",
        "terseLabel": "Loans held for investment at fair value",
        "verboseLabel": "Loans held for investment"
       }
      }
     },
     "localname": "LoansReceivableFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LondonInterbankOfferedRateLIBORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate (LIBOR) [Member]",
        "terseLabel": "London Interbank Offered Rate (LIBOR)"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLIBORMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LossContingencyAccrualAtCarryingValue": {
     "auth_ref": [
      "r203"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 6.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of loss contingency liability.",
        "label": "Loss Contingency Accrual",
        "terseLabel": "Contingent liabilities"
       }
      }
     },
     "localname": "LossContingencyAccrualAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail",
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ManagingOfRisksInherentInServicingAssetsAndServicingLiabilitiesTable": {
     "auth_ref": [
      "r376"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summarization of information pertaining to the risks inherent in servicing assets and servicing liabilities and, if applicable, the instruments used to mitigate the income statement effect of changes in fair value of the servicing assets and servicing liabilities.",
        "label": "Schedule of Managing of Risks Inherent in Servicing Assets and Servicing Liabilities [Table]",
        "terseLabel": "Schedule of Managing of Risks Inherent in Servicing Assets and Servicing Liabilities [Table]"
       }
      }
     },
     "localname": "ManagingOfRisksInherentInServicingAssetsAndServicingLiabilitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_MeasurementInputDiscountRateMember": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using interest rate to determine present value of future cash flows.",
        "label": "Measurement Input, Discount Rate [Member]",
        "terseLabel": "Measurement Input, Discount Rate"
       }
      }
     },
     "localname": "MeasurementInputDiscountRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputExpectedTermMember": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using period financial instrument is expected to be outstanding. Excludes maturity date.",
        "label": "Measurement Input, Expected Term [Member]",
        "terseLabel": "Measurement Input, Expected Term"
       }
      }
     },
     "localname": "MeasurementInputExpectedTermMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputLossSeverityMember": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using loss, including, but not limited to, interest and write-down of principal, incurred on defaulted security as proportion of principal balance.",
        "label": "Measurement Input, Loss Severity [Member]",
        "terseLabel": "Measurement Input, Loss Severity"
       }
      }
     },
     "localname": "MeasurementInputLossSeverityMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputPrepaymentRateMember": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using principal prepayment at other than constant rate as proportion of outstanding loan principal.",
        "label": "Measurement Input, Prepayment Rate [Member]",
        "terseLabel": "Measurement Input, Prepayment Rate"
       }
      }
     },
     "localname": "MeasurementInputPrepaymentRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputTypeAxis": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of measurement input used to determine value of asset and liability.",
        "label": "Measurement Input Type [Axis]",
        "terseLabel": "Measurement Input Type [Axis]"
       }
      }
     },
     "localname": "MeasurementInputTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_MeasurementInputTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input used to determine value of asset and liability.",
        "label": "Measurement Input Type [Domain]",
        "terseLabel": "Measurement Input Type [Domain]"
       }
      }
     },
     "localname": "MeasurementInputTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders": {
     "auth_ref": [
      "r220"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.",
        "label": "Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders",
        "negatedTerseLabel": "Dividends paid and return of capital to noncontrolling interests"
       }
      }
     },
     "localname": "MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r75"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "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 for) financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash Flows from Financing Activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r75"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "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 provided by investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash Flows from Investing Activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r75",
      "r78",
      "r81"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "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 (used for) provided by operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash Flows from Operating Activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r41",
      "r44",
      "r50",
      "r81",
      "r110",
      "r405",
      "r422"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
        "label": "Net Income (Loss) Attributable to Parent",
        "terseLabel": "LendingClub net loss",
        "totalLabel": "LendingClub net loss",
        "verboseLabel": "Allocation of undistributed LendingClub net loss"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r41",
      "r44",
      "r285",
      "r298"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of Net Income (Loss) attributable to noncontrolling interest.",
        "label": "Net Income (Loss) Attributable to Noncontrolling Interest",
        "terseLabel": "Less: Income attributable to noncontrolling interests"
       }
      }
     },
     "localname": "NetIncomeLossAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r102",
      "r103"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic",
        "totalLabel": "Net loss attributable to stockholders"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest": {
     "auth_ref": [
      "r209",
      "r285",
      "r286"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity.",
        "label": "Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest",
        "terseLabel": "Consolidated net loss",
        "totalLabel": "Consolidated net loss"
       }
      }
     },
     "localname": "NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "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]",
        "verboseLabel": "Adoption of New Accounting Standards"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NoncashInvestingAndFinancingItemsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Noncash Investing and Financing Items [Abstract]",
        "terseLabel": "Non-cash investing and financing activity:"
       }
      }
     },
     "localname": "NoncashInvestingAndFinancingItemsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NoncontrollingInterestMember": {
     "auth_ref": [
      "r279"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest.",
        "label": "Noncontrolling Interest [Member]",
        "terseLabel": "Noncontrolling Interests"
       }
      }
     },
     "localname": "NoncontrollingInterestMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NotesPayableFairValueDisclosure": {
     "auth_ref": [
      "r23"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail": {
       "order": 1.0,
       "parentTag": "lc_NotesAndCertificatesAtFairValue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of notes payable.",
        "label": "Notes Payable, Fair Value Disclosure",
        "terseLabel": "Notes"
       }
      }
     },
     "localname": "NotesPayableFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NumberOfReportableSegments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.",
        "label": "Number of Reportable Segments",
        "terseLabel": "Number of reportable segments"
       }
      }
     },
     "localname": "NumberOfReportableSegments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OperatingExpenseMember": {
     "auth_ref": [
      "r303"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing expenses associated with normal operations.",
        "label": "Operating Expense [Member]",
        "terseLabel": "Operating Expenses"
       }
      }
     },
     "localname": "OperatingExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OperatingExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingLeaseCost": {
     "auth_ref": [
      "r339",
      "r348"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LeaseCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.",
        "label": "Operating Lease, Cost",
        "negatedTerseLabel": "Operating lease costs"
       }
      }
     },
     "localname": "OperatingLeaseCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseImpairmentLoss": {
     "auth_ref": [
      "r332"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of loss from impairment of right-of-use asset from operating lease.",
        "label": "Operating Lease, Impairment Loss",
        "terseLabel": "Operating lease impairment"
       }
      }
     },
     "localname": "OperatingLeaseImpairmentLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiability": {
     "auth_ref": [
      "r334"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetailsCalc2": {
       "order": 2.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.",
        "label": "Operating Lease, Liability",
        "netLabel": "Operating lease liabilities",
        "terseLabel": "Present value of future minimum lease payments",
        "verboseLabel": "Operating lease liabilities"
       }
      }
     },
     "localname": "OperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/LeasesFutureOperatingLeasePaymentsAndSubleaseRevenueDetails",
      "http://www.lendingclub.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeasePaymentsUse": {
     "auth_ref": [
      "r335",
      "r342"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow from operating lease to bring another asset to condition and location necessary for its intended use.",
        "label": "Operating Lease, Payments, Use",
        "terseLabel": "Cash paid for operating leases included in the measurement of lease liabilities"
       }
      }
     },
     "localname": "OperatingLeasePaymentsUse",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseRightOfUseAsset": {
     "auth_ref": [
      "r333"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's right to use underlying asset under operating lease.",
        "label": "Operating Lease, Right-of-Use Asset",
        "terseLabel": "Operating lease assets"
       }
      }
     },
     "localname": "OperatingLeaseRightOfUseAsset",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": {
     "auth_ref": [
      "r345",
      "r348"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average discount rate for operating lease calculated at point in time.",
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "terseLabel": "Weighted-average discount rate (percent)"
       }
      }
     },
     "localname": "OperatingLeaseWeightedAverageDiscountRatePercent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesWeightedAverageLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": {
     "auth_ref": [
      "r344",
      "r348"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Operating Lease, Weighted Average Remaining Lease Term",
        "terseLabel": "Weighted-average remaining lease term (in years)"
       }
      }
     },
     "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesWeightedAverageLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "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/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "auth_ref": [
      "r1",
      "r300"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.",
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "Basis of Presentation"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/BasisOfPresentation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent": {
     "auth_ref": [
      "r403",
      "r421"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrentAndNoncurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expenses incurred but not yet paid classified as other.",
        "label": "Other Accrued Liabilities",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherAccruedLiabilitiesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssets": {
     "auth_ref": [
      "r7",
      "r397",
      "r415"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of assets classified as other.",
        "label": "Other Assets",
        "verboseLabel": "Other assets"
       }
      }
     },
     "localname": "OtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/OtherAssetsDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Assets [Abstract]",
        "terseLabel": "Other Assets [Abstract]"
       }
      }
     },
     "localname": "OtherAssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherAssetsDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.",
        "label": "Other Assets Disclosure [Text Block]",
        "terseLabel": "Other Assets"
       }
      }
     },
     "localname": "OtherAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssets"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAssetsMember": {
     "auth_ref": [
      "r301",
      "r304"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other assets.",
        "label": "Other Assets [Member]",
        "netLabel": "Other Assets",
        "terseLabel": "Other",
        "verboseLabel": "Other Assets"
       }
      }
     },
     "localname": "OtherAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossBeforeTax": {
     "auth_ref": [
      "r157"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax, after reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), before Tax",
        "totalLabel": "Other comprehensive income (loss), before tax"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Comprehensive Income (Loss), before Tax [Abstract]",
        "terseLabel": "Other comprehensive income (loss), before tax:"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r42",
      "r45",
      "r47",
      "r212"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), Net of Tax",
        "totalLabel": "Other comprehensive income (loss), net of tax"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r42",
      "r45",
      "r281",
      "r282",
      "r287"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.",
        "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest",
        "terseLabel": "Less: Other comprehensive income attributable to noncontrolling interests"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r42",
      "r45",
      "r281",
      "r282",
      "r287"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent",
        "totalLabel": "LendingClub other comprehensive income (loss), net of tax"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossTax": {
     "auth_ref": [
      "r37",
      "r267",
      "r269"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of tax expense (benefit) allocated to other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), Tax",
        "terseLabel": "Income tax effect"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax": {
     "auth_ref": [
      "r34",
      "r36",
      "r154"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.",
        "label": "Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax",
        "terseLabel": "Net unrealized gain (loss) on securities available for sale"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax": {
     "auth_ref": [
      "r34",
      "r36"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.",
        "label": "Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax",
        "terseLabel": "Net unrealized gain (loss) on securities available for sale, net of tax"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherInvestmentsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other investments.",
        "label": "Other Investments [Member]",
        "terseLabel": "Other investments"
       }
      }
     },
     "localname": "OtherInvestmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherNoncashIncomeExpense": {
     "auth_ref": [
      "r81"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.",
        "label": "Other Noncash Income (Expense)",
        "negatedLabel": "Other, net"
       }
      }
     },
     "localname": "OtherNoncashIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherOperatingIncomeExpenseNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_Revenues",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.",
        "label": "Other Operating Income (Expense), Net",
        "terseLabel": "Other revenue"
       }
      }
     },
     "localname": "OtherOperatingIncomeExpenseNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses": {
     "auth_ref": [
      "r151"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses",
        "terseLabel": "Credit losses recognized into earnings for other-than-temporary impaired securities"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale": {
     "auth_ref": [
      "r136"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI).",
        "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale",
        "terseLabel": "Other-than-temporary impairment charges"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ParentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Portion of equity, or net assets, in the consolidated entity attributable, directly or indirectly, to the parent. Excludes noncontrolling interests.",
        "label": "Parent [Member]",
        "terseLabel": "Total Equity"
       }
      }
     },
     "localname": "ParentMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PastDueFinancingReceivablesTableTextBlock": {
     "auth_ref": [
      "r131",
      "r132",
      "r162",
      "r166"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of aging analysis for financing receivable.",
        "label": "Financing Receivable, Past Due [Table Text Block]",
        "terseLabel": "Past Due Financing Receivables"
       }
      }
     },
     "localname": "PastDueFinancingReceivablesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PayablesAndAccrualsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Payables and Accruals [Abstract]"
       }
      }
     },
     "localname": "PayablesAndAccrualsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PaymentsForProceedsFromOtherInvestingActivities": {
     "auth_ref": [
      "r59",
      "r62",
      "r100"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash (inflow) outflow from investing activities classified as other.",
        "label": "Payments for (Proceeds from) Other Investing Activities",
        "negatedLabel": "Other investing activities"
       }
      }
     },
     "localname": "PaymentsForProceedsFromOtherInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRestructuring": {
     "auth_ref": [
      "r72",
      "r196"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.",
        "label": "Payments for Restructuring",
        "terseLabel": "Restructuring costs paid"
       }
      }
     },
     "localname": "PaymentsForRestructuring",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDebtIssuanceCosts": {
     "auth_ref": [
      "r67"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.",
        "label": "Payments of Debt Issuance Costs",
        "negatedLabel": "Payment for debt issuance costs"
       }
      }
     },
     "localname": "PaymentsOfDebtIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividends": {
     "auth_ref": [
      "r65"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.",
        "label": "Payments of Dividends",
        "negatedLabel": "Deemed dividend paid to preferred stockholder"
       }
      }
     },
     "localname": "PaymentsOfDividends",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt": {
     "auth_ref": [
      "r57",
      "r60",
      "r135"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Payments to Acquire Debt Securities, Available-for-sale",
        "negatedLabel": "Purchases of securities available for sale"
       }
      }
     },
     "localname": "PaymentsToAcquireAvailableForSaleSecuritiesDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "auth_ref": [
      "r61"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "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, equipment and software, net"
       }
      }
     },
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "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": "PBRSUs"
       }
      }
     },
     "localname": "PerformanceSharesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedOtherDebtSecuritiesAvailableForSaleOrHeldForInvestment": {
     "auth_ref": [
      "r374"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amount as of the date of the latest financial statement presented of other securities classified as available for sale or held for investment which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.",
        "label": "Pledged Financial Instruments, Not Separately Reported, Other Debt Securities Available-for-sale or Held-for-investment",
        "terseLabel": "Securities available for sale, pledged as collateral at fair value"
       }
      }
     },
     "localname": "PledgedFinancialInstrumentsNotSeparatelyReportedOtherDebtSecuritiesAvailableForSaleOrHeldForInvestment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PortionAtFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r320"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured at fair value for financial reporting purposes.",
        "label": "Portion at Fair Value Measurement [Member]",
        "terseLabel": "Portion at Fair Value Measurement [Member]"
       }
      }
     },
     "localname": "PortionAtFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r320"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Not measured at fair value.",
        "label": "Portion at Other than Fair Value Measurement [Member]",
        "terseLabel": "Portion Not Recorded at Fair Value"
       }
      }
     },
     "localname": "PortionAtOtherThanFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesNotMeasuredAtFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PostemploymentBenefitsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Postemployment Benefits [Abstract]"
       }
      }
     },
     "localname": "PostemploymentBenefitsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PreferredClassAMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Outstanding nonredeemable preferred class A stock or outstanding convertible preferred class A stock. 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": "Preferred Class A [Member]",
        "terseLabel": "Series A Preferred Stock"
       }
      }
     },
     "localname": "PreferredClassAMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockDividendsIncomeStatementImpact": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.",
        "label": "Preferred Stock Dividends, Income Statement Impact",
        "negatedTerseLabel": "Deemed dividend",
        "terseLabel": "Deemed dividend"
       }
      }
     },
     "localname": "PreferredStockDividendsIncomeStatementImpact",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PreferredStockDividendsPerShareDeclared": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate dividends declared during the period for each share of preferred stock outstanding.",
        "label": "Preferred Stock, Dividends Per Share, Declared",
        "terseLabel": "Minimum preferential quarterly dividend ($ per share)"
       }
      }
     },
     "localname": "PreferredStockDividendsPerShareDeclared",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockLiquidationPreference": {
     "auth_ref": [
      "r12",
      "r89",
      "r93",
      "r213",
      "r214"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.",
        "label": "Preferred Stock, Liquidation Preference Per Share",
        "terseLabel": "Preferred stock liquidation preference ($ per share)"
       }
      }
     },
     "localname": "PreferredStockLiquidationPreference",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company.",
        "label": "Preferred Stock [Member]",
        "terseLabel": "Preferred Stock"
       }
      }
     },
     "localname": "PreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r12"
     ],
     "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 ($ per share)"
       }
      }
     },
     "localname": "PreferredStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock, authorized (shares)"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r12"
     ],
     "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, issued (shares)"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r12"
     ],
     "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",
        "terseLabel": "Preferred stock, outstanding (shares)"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r12"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "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",
        "terseLabel": "Series A Preferred stock, $0.01 par value; 1,200,000 shares authorized; 195,627 and 0 shares issued, respectively; 195,627 and 0 shares outstanding, respectively"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrincipalAmountOutstandingOnLoansSecuritized": {
     "auth_ref": [
      "r368"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is the principal amount outstanding for securitized loans only (across all types of loans).",
        "label": "Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement",
        "terseLabel": "Principal derecognized from loans securitized or sold",
        "verboseLabel": "Outstanding principal balance"
       }
      }
     },
     "localname": "PrincipalAmountOutstandingOnLoansSecuritized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromCollectionOfLoansReceivable": {
     "auth_ref": [
      "r58"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services.",
        "label": "Proceeds from Collection of Loans Receivable",
        "verboseLabel": "Principal payments received on loans"
       }
      }
     },
     "localname": "ProceedsFromCollectionOfLoansReceivable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables": {
     "auth_ref": [
      "r58"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from collection on beneficial interest in securitization of receivables.",
        "label": "Proceeds from Collection of Retained Interest in Securitized Receivables",
        "terseLabel": "Proceeds from paydowns of asset-backed securities related to Structured Program transactions"
       }
      }
     },
     "localname": "ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromInterestAndDividendsReceived": {
     "auth_ref": [
      "r70",
      "r76"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash received for dividends and interest on the entity's equity and debt investments during the current period.",
        "label": "Proceeds from Interest and Dividends Received",
        "terseLabel": "Cash proceeds for interest received on senior securities and subordinated securities"
       }
      }
     },
     "localname": "ProceedsFromInterestAndDividendsReceived",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromNotesPayable": {
     "auth_ref": [
      "r63"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from a borrowing supported by a written promise to pay an obligation.",
        "label": "Proceeds from Notes Payable",
        "terseLabel": "Proceeds from credit facilities and securities sold under repurchase agreements"
       }
      }
     },
     "localname": "ProceedsFromNotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromPaymentsForOtherFinancingActivities": {
     "auth_ref": [
      "r64",
      "r68",
      "r100"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities classified as other.",
        "label": "Proceeds from (Payments for) Other Financing Activities",
        "terseLabel": "Other financing activities"
       }
      }
     },
     "localname": "ProceedsFromPaymentsForOtherFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleAndCollectionOfLoansHeldforsale": {
     "auth_ref": [
      "r69",
      "r74"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from sale proceeds and collection of repayments from borrowers on loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization; includes mortgages and other types of loans.",
        "label": "Proceeds from Sale and Collection of Loans Held-for-sale",
        "terseLabel": "Principal payments received on loans held for sale"
       }
      }
     },
     "localname": "ProceedsFromSaleAndCollectionOfLoansHeldforsale",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities": {
     "auth_ref": [
      "r57",
      "r58",
      "r135"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Proceeds from Sale and Maturity of Debt Securities, Available-for-sale",
        "terseLabel": "Proceeds from sales, maturities, redemptions and paydowns of securities available for sale"
       }
      }
     },
     "localname": "ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt": {
     "auth_ref": [
      "r57",
      "r58",
      "r135"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Proceeds from Sale of Debt Securities, Available-for-sale",
        "terseLabel": "Sale of asset-backed securities",
        "verboseLabel": "Proceeds"
       }
      }
     },
     "localname": "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleProceedsAndGrossRealizedGainsAndLossesFromSalesOfOtherSecuritiesAvailableForSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSecuritizationsOfConsumerLoans": {
     "auth_ref": [
      "r58"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from the securitization of receivables for loans to consumers. Securitization is the structured process whereby interests in loans and other receivables are packaged, underwritten, and sold in the form of asset-backed securities.",
        "label": "Proceeds from Securitizations of Consumer Loans",
        "verboseLabel": "Cash proceeds from loans securitized or sold"
       }
      }
     },
     "localname": "ProceedsFromSecuritizationsOfConsumerLoans",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProfitLoss": {
     "auth_ref": [
      "r41",
      "r44",
      "r73",
      "r122",
      "r127",
      "r281",
      "r284",
      "r286",
      "r298",
      "r299"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.",
        "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest",
        "terseLabel": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest"
       }
      }
     },
     "localname": "ProfitLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "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/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentByTypeAxis": {
     "auth_ref": [
      "r20",
      "r193"
     ],
     "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": "Property, Plant and Equipment, Type [Axis]",
        "terseLabel": "Property, Plant and Equipment, Type [Axis]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": {
     "auth_ref": [
      "r195"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.",
        "label": "Property, Plant and Equipment Disclosure [Text Block]",
        "terseLabel": "Property, Equipment and Software, Net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNet"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentGross": {
     "auth_ref": [
      "r19",
      "r191"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": 1.0,
       "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",
        "totalLabel": "Total property, equipment and software"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "auth_ref": [
      "r5",
      "r6",
      "r193",
      "r420"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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",
        "terseLabel": "Property, equipment and software, net",
        "totalLabel": "Total property, equipment and software, net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentOtherTypesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.",
        "label": "Property, Plant and Equipment, Other Types [Member]",
        "terseLabel": "Property, Equipment and Software"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentOtherTypesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTextBlock": {
     "auth_ref": [
      "r5",
      "r193"
     ],
     "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": "Property, Equipment and Software, Net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTypeDomain": {
     "auth_ref": [
      "r5",
      "r191"
     ],
     "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": "Property, Plant and Equipment, Type [Domain]",
        "terseLabel": "Property, Plant and Equipment, Type [Domain]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProvisionForDoubtfulAccounts": {
     "auth_ref": [
      "r52",
      "r160"
     ],
     "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": "Bad debt expense"
       }
      }
     },
     "localname": "ProvisionForDoubtfulAccounts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReceivableTypeDomain": {
     "auth_ref": [
      "r30"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "ReceivableTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsDetail",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsPastDueTableDetails",
      "http://www.lendingclub.com/role/OtherAssetsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyDomain": {
     "auth_ref": [
      "r356"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "RelatedPartyDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTransactionAxis": {
     "auth_ref": [
      "r240",
      "r351",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of related party transaction.",
        "label": "Related Party Transaction [Axis]",
        "terseLabel": "Related Party Transaction [Axis]"
       }
      }
     },
     "localname": "RelatedPartyTransactionAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transaction between related party.",
        "label": "Related Party Transaction [Domain]",
        "terseLabel": "Related Party Transaction [Domain]"
       }
      }
     },
     "localname": "RelatedPartyTransactionDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Related Party Transactions [Abstract]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "auth_ref": [
      "r240",
      "r351",
      "r352",
      "r383",
      "r384",
      "r385",
      "r386",
      "r387",
      "r388",
      "r389",
      "r390",
      "r391",
      "r392",
      "r393",
      "r394"
     ],
     "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 [Axis]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": {
     "auth_ref": [
      "r356"
     ],
     "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 Party Transactions"
       }
      }
     },
     "localname": "RelatedPartyTransactionsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactions"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RepaymentsOfLinesOfCredit": {
     "auth_ref": [
      "r66",
      "r96"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.",
        "label": "Repayments of Lines of Credit",
        "negatedLabel": "Principal payments on credit facilities and securities sold under repurchase agreements"
       }
      }
     },
     "localname": "RepaymentsOfLinesOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepaymentsOfSecuredDebt": {
     "auth_ref": [
      "r66"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.",
        "label": "Repayments of Secured Debt",
        "negatedTerseLabel": "Repayments of secured borrowings"
       }
      }
     },
     "localname": "RepaymentsOfSecuredDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1": {
     "auth_ref": [
      "r98"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average maturity (weighted by amount of the agreement) of repurchase agreements with the counterparty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements",
        "terseLabel": "Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ResearchAndDevelopmentExpense": {
     "auth_ref": [
      "r266",
      "r440"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "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": "Engineering and product development"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "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": "Engineering and product development"
       }
      }
     },
     "localname": "ResearchAndDevelopmentExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCash": {
     "auth_ref": [
      "r87",
      "r396",
      "r417"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash restricted as to withdrawal or usage. 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",
        "terseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalents": {
     "auth_ref": [
      "r4",
      "r82",
      "r87",
      "r396",
      "r417"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Restricted Cash and Cash Equivalents",
        "verboseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlowsParenthetical",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails"
     ],
     "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]",
        "verboseLabel": "RSUs"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestructuringAndRelatedActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Restructuring and Related Activities [Abstract]"
       }
      }
     },
     "localname": "RestructuringAndRelatedActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock": {
     "auth_ref": [
      "r201"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.",
        "label": "Restructuring and Related Activities Disclosure [Text Block]",
        "terseLabel": "Restructuring Costs"
       }
      }
     },
     "localname": "RestructuringAndRelatedActivitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCosts"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).",
        "label": "Restructuring and Related Cost, Number of Positions Eliminated, Period Percent",
        "terseLabel": "Percent of total workforce included in workforce reduction (percent)"
       }
      }
     },
     "localname": "RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_RestructuringCostAndReserveAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of restructuring cost.",
        "label": "Restructuring Type [Axis]",
        "terseLabel": "Restructuring Type [Axis]"
       }
      }
     },
     "localname": "RestructuringCostAndReserveAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringCostAndReserveLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Restructuring Cost and Reserve [Line Items]",
        "terseLabel": "Restructuring Cost and Reserve [Line Items]"
       }
      }
     },
     "localname": "RestructuringCostAndReserveLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringCosts": {
     "auth_ref": [
      "r80"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.",
        "label": "Restructuring Costs",
        "terseLabel": "Restructuring costs"
       }
      }
     },
     "localname": "RestructuringCosts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestructuringPlanAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by individual restructuring plan.",
        "label": "Restructuring Plan [Axis]",
        "terseLabel": "Restructuring Plan [Axis]"
       }
      }
     },
     "localname": "RestructuringPlanAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RestructuringPlanDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identification of the individual restructuring plans.",
        "label": "Restructuring Plan [Domain]",
        "terseLabel": "Restructuring Plan [Domain]"
       }
      }
     },
     "localname": "RestructuringPlanDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestructuringReserve": {
     "auth_ref": [
      "r196",
      "r199"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.",
        "label": "Restructuring Reserve",
        "terseLabel": "Restructuring Reserve"
       }
      }
     },
     "localname": "RestructuringReserve",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r15",
      "r220",
      "r418"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "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)",
        "terseLabel": "Accumulated deficit"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "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/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "auth_ref": [
      "r230",
      "r231"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "lc_NetInvestorRevenue",
       "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 from contracts with customers",
        "verboseLabel": "Net revenue, fees"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerTextBlock": {
     "auth_ref": [
      "r235"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomers"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RevenueFromRelatedParties": {
     "auth_ref": [
      "r55",
      "r431"
     ],
     "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": "Income"
       }
      }
     },
     "localname": "RevenueFromRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligation": {
     "auth_ref": [
      "r229"
     ],
     "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": "Contract liabilities"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligation",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Revenues": {
     "auth_ref": [
      "r49",
      "r117",
      "r118",
      "r126"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).",
        "label": "Revenues",
        "totalLabel": "Total net revenue"
       }
      }
     },
     "localname": "Revenues",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": {
     "auth_ref": [
      "r343",
      "r348"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.",
        "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability",
        "verboseLabel": "Leased assets obtained in exchange for new and amended operating lease liabilities"
       }
      }
     },
     "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesSupplementalCashFlowInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RisksInherentInServicingAssetsAndServicingLiabilitiesLineItems": {
     "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": "Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]",
        "terseLabel": "Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]"
       }
      }
     },
     "localname": "RisksInherentInServicingAssetsAndServicingLiabilitiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SalesRevenueNetMember": {
     "auth_ref": [
      "r114"
     ],
     "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": "Sales Revenue, Net"
       }
      }
     },
     "localname": "SalesRevenueNetMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": {
     "auth_ref": [
      "r30"
     ],
     "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": "Loans and Notes and Certificates"
       }
      }
     },
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of accrued liabilities.",
        "label": "Schedule of Accrued Liabilities [Table Text Block]",
        "terseLabel": "Accrued Expenses and Other Liabilities"
       }
      }
     },
     "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/AccruedExpensesAndOtherLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": {
     "auth_ref": [
      "r109"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareSharesExcludedFromCalculationOfEarningsLossPerShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": {
     "auth_ref": [
      "r109"
     ],
     "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 Antidilutive Securities Excluded from Computation of Earnings Per Share"
       }
      }
     },
     "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": {
     "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 Securities, Available-for-sale [Line Items]",
        "terseLabel": "Debt Securities, Available-for-sale [Line Items]",
        "verboseLabel": "Schedule of Securities Available-for-sale [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.",
        "label": "Schedule of Available-for-sale Securities Reconciliation [Table Text Block]",
        "terseLabel": "Schedule of Available-for-sale Securities Reconciliation"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock": {
     "auth_ref": [
      "r257"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.",
        "label": "Share-based Payment Arrangement, Cost by Plan [Table Text Block]",
        "terseLabel": "Total Stock-based Compensation Expense"
       }
      }
     },
     "localname": "ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r110"
     ],
     "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": "Basic and Diluted Net Income (Loss) per Share"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable": {
     "auth_ref": [
      "r104",
      "r105",
      "r108",
      "r112"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The table contains disclosure pertaining to an entity's basic earnings per share.",
        "label": "Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]",
        "terseLabel": "Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicByCommonClassTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock": {
     "auth_ref": [
      "r245",
      "r257",
      "r262"
     ],
     "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 Recorded in Condensed Consolidated Statement of Operations"
       }
      }
     },
     "localname": "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable": {
     "auth_ref": [
      "r321",
      "r322"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule detailing the information required and determined to be disclosed regarding the fair value of financial assets and financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.",
        "label": "Schedule of Fair Value, Off-balance Sheet Risks [Table]",
        "terseLabel": "Schedule of Fair Value, Off-balance Sheet Risks [Table]"
       }
      }
     },
     "localname": "ScheduleOfFairValueOffBalanceSheetRisksTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfOtherAssetsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets.",
        "label": "Schedule of Other Assets [Table Text Block]",
        "terseLabel": "Other Assets"
       }
      }
     },
     "localname": "ScheduleOfOtherAssetsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/OtherAssetsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": {
     "auth_ref": [
      "r20",
      "r193"
     ],
     "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": "Property, Plant and Equipment [Table]"
       }
      }
     },
     "localname": "ScheduleOfPropertyPlantAndEquipmentTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRealizedGainLossTableTextBlock": {
     "auth_ref": [
      "r153"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.",
        "label": "Schedule of Realized Gain (Loss) [Table Text Block]",
        "terseLabel": "Schedule of Proceeds and Realized Gain (Loss)"
       }
      }
     },
     "localname": "ScheduleOfRealizedGainLossTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": {
     "auth_ref": [
      "r91",
      "r351",
      "r352",
      "r353",
      "r354",
      "r355"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRestructuringAndRelatedCostsTable": {
     "auth_ref": [
      "r197",
      "r198",
      "r200"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Table presenting the description of the restructuring costs, such as the expected cost; the costs incurred during the period; the cumulative costs incurred as of the balance sheet date; the income statement caption within which the restructuring charges recognized for the period are included; and the amount of and periodic changes to an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost by type of restructuring.",
        "label": "Schedule of Restructuring and Related Costs [Table]",
        "terseLabel": "Schedule of Restructuring and Related Costs [Table]"
       }
      }
     },
     "localname": "ScheduleOfRestructuringAndRelatedCostsTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock": {
     "auth_ref": [
      "r197",
      "r198",
      "r200"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.",
        "label": "Restructuring and Related Costs [Table Text Block]",
        "terseLabel": "Restructuring Expense"
       }
      }
     },
     "localname": "ScheduleOfRestructuringAndRelatedCostsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsRestructuringAndRelatedActivitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "auth_ref": [
      "r116",
      "r122",
      "r124",
      "r125",
      "r184"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrServicingLiabilitiesTextBlock": {
     "auth_ref": [
      "r369",
      "r370"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of a sensitivity analysis or stress test showing the hypothetical effect on the fair value of the transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) of two or more unfavorable variations from the expected levels for each key assumption that is reported, independently determined from any change in another key assumption, and a description of the objectives, methodology, and limitations of the sensitivity analysis or stress test.",
        "label": "Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table Text Block]",
        "terseLabel": "Fair Value Sensitivity of Servicing Assets"
       }
      }
     },
     "localname": "ScheduleOfSensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrServicingLiabilitiesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r246",
      "r261"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.",
        "label": "Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]",
        "terseLabel": "Schedule of RSU Activity"
       }
      }
     },
     "localname": "ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "auth_ref": [
      "r27",
      "r94",
      "r208",
      "r210",
      "r211",
      "r213",
      "r214",
      "r215",
      "r217",
      "r218",
      "r219",
      "r220"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTable": {
     "auth_ref": [
      "r289",
      "r292",
      "r293",
      "r295",
      "r296"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table]",
        "terseLabel": "Schedule of Variable Interest Entities [Table]"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": {
     "auth_ref": [
      "r289",
      "r292",
      "r293",
      "r295",
      "r296"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table Text Block]",
        "terseLabel": "Summary of Select Information Related to VIEs"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SecuredDebtRepurchaseAgreements": {
     "auth_ref": [
      "r99",
      "r360"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt.",
        "label": "Secured Debt, Repurchase Agreements",
        "terseLabel": "Aggregate debt outstanding under repurchase transactions"
       }
      }
     },
     "localname": "SecuredDebtRepurchaseAgreements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember": {
     "auth_ref": [
      "r321"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo. Most repos involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances, and negotiable certificates of deposit, are sometimes used in repos.",
        "label": "Securities Sold under Agreements to Repurchase [Member]",
        "terseLabel": "Securities Sold under Agreements to Repurchase"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SecurityDeposit": {
     "auth_ref": [
      "r32"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.",
        "label": "Security Deposit",
        "terseLabel": "Security deposit"
       }
      }
     },
     "localname": "SecurityDeposit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue": {
     "auth_ref": [
      "r373",
      "r374"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.",
        "label": "Security Owned and Pledged as Collateral, Fair Value",
        "terseLabel": "Securities pledged as collateral at fair value",
        "verboseLabel": "Underlying assets pledged as collateral"
       }
      }
     },
     "localname": "SecurityOwnedAndPledgedAsCollateralFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r129"
     ],
     "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 Reporting"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReporting"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SegmentReportingDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SellingAndMarketingExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate total amount of expenses directly related to the marketing or selling of products or services.",
        "label": "Selling and Marketing Expense",
        "terseLabel": "Sales and marketing"
       }
      }
     },
     "localname": "SellingAndMarketingExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SellingAndMarketingExpenseMember": {
     "auth_ref": [
      "r51"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing selling and marketing expense.",
        "label": "Selling and Marketing Expense [Member]",
        "terseLabel": "Sales and marketing"
       }
      }
     },
     "localname": "SellingAndMarketingExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail",
      "http://www.lendingclub.com/role/RestructuringCostsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInExpectedCreditLosses": {
     "auth_ref": [
      "r369"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The hypothetical financial impact of a 10 percent adverse change of the expected credit losses, including expected static pool losses, on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Expected Credit Losses",
        "negatedLabel": "Expected credit loss on rates on underlying loans, 10% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInExpectedCreditLosses",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed": {
     "auth_ref": [
      "r369"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The hypothetical financial impact of a 10 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Prepayment Speed",
        "negatedLabel": "Expected prepayment rates, 10% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInExpectedCreditLosses": {
     "auth_ref": [
      "r369"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The hypothetical financial impact of a 20 percent adverse change of the expected credit, including expected static pool losses, on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Expected Credit Losses",
        "negatedLabel": "Expected credit loss on rates on underlying loans, 20% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInExpectedCreditLosses",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed": {
     "auth_ref": [
      "r369"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The hypothetical financial impact of a 20 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Prepayment Speed",
        "negatedLabel": "Expected prepayment rates, 20% adverse change"
       }
      }
     },
     "localname": "SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOtherThan10Or20PercentAdverseChangeInOtherAssumption": {
     "auth_ref": [
      "r369"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The hypothetical financial impact of a specified adverse percentage change in a specified other assumption on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities).",
        "label": "Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Other Assumption",
        "negatedTerseLabel": "Assets, servicing rate increase by .1%"
       }
      }
     },
     "localname": "SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOtherThan10Or20PercentAdverseChangeInOtherAssumption",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredUsingDifferentMarketServicingRatesAndDifferentPrepaymentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SeriesAPreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Outstanding nonredeemable series A preferred stock or outstanding series A preferred stock. 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": "Series A Preferred Stock [Member]",
        "terseLabel": "Series A Preferred Stock"
       }
      }
     },
     "localname": "SeriesAPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SeriesBPreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Outstanding nonredeemable series B preferred stock or outstanding series B preferred stock. 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": "Series B Preferred Stock [Member]",
        "terseLabel": "Series B Preferred Stock"
       }
      }
     },
     "localname": "SeriesBPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ServicingAssetAtFairValueAdditions": {
     "auth_ref": [
      "r378"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.",
        "label": "Servicing Asset at Fair Value, Additions",
        "terseLabel": "Issuances"
       }
      }
     },
     "localname": "ServicingAssetAtFairValueAdditions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ServicingAssetAtFairValueAmount": {
     "auth_ref": [
      "r375",
      "r377"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsFairValueDisclosure",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.",
        "label": "Servicing Asset at Fair Value, Amount",
        "periodEndLabel": "Fair value at end of period",
        "periodStartLabel": "Fair value at beginning of period",
        "terseLabel": "Servicing assets"
       }
      }
     },
     "localname": "ServicingAssetAtFairValueAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ServicingAssetAtFairValueAmountRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Servicing Asset at Fair Value, Amount [Roll Forward]",
        "terseLabel": "Servicing Asset at Fair Value, Amount [Roll Forward]"
       }
      }
     },
     "localname": "ServicingAssetAtFairValueAmountRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions": {
     "auth_ref": [
      "r379"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in fair value from changes in the inputs, assumptions, or model used to calculate the fair value of the contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.",
        "label": "Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions",
        "terseLabel": "Changes in fair value, included in servicing fees"
       }
      }
     },
     "localname": "ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions [Abstract]",
        "terseLabel": "Servicing Assets, Changes in fair value due to:"
       }
      }
     },
     "localname": "ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ServicingAssetAtFairValueOtherChangesThatAffectBalance": {
     "auth_ref": [
      "r380"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in fair value from changes classified as other for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.",
        "label": "Servicing Asset at Fair Value, Other Changes that Affect Balance",
        "terseLabel": "Other net changes included in deferred revenue"
       }
      }
     },
     "localname": "ServicingAssetAtFairValueOtherChangesThatAffectBalance",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesAdditionalInformationAboutServicingAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "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, net"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1": {
     "auth_ref": [
      "r247"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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, Award Requisite Service Period",
        "terseLabel": "PBRSU performance period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r247"
     ],
     "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": "PBRSU vesting period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": {
     "auth_ref": [
      "r251"
     ],
     "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",
        "negatedTerseLabel": "Forfeited/expired (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r255"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value",
        "terseLabel": "Forfeited/expired ($ per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r253"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Granted (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r253"
     ],
     "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": "Granted ($ per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": {
     "auth_ref": [
      "r252"
     ],
     "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": "Unvested, ending (shares)",
        "periodStartLabel": "Unvested, beginning (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r252"
     ],
     "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": "Unvested, ending ($ per share)",
        "periodStartLabel": "Unvested, beginning ($ per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]",
        "terseLabel": "Weighted- Average Grant Date Fair Value ($ per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
     "auth_ref": [
      "r254"
     ],
     "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",
        "negatedTerseLabel": "Vested (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": {
     "auth_ref": [
      "r254"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value",
        "terseLabel": "Vested ($ per share)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations [Abstract]",
        "terseLabel": "Number of Shares (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r244",
      "r248"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Award under share-based payment arrangement.",
        "label": "Award Type [Domain]",
        "terseLabel": "Award Type [Domain]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansRsuAndPbrsuActivityAndWeightedAverageGrantDateFairValueTableDetails",
      "http://www.lendingclub.com/role/EmployeeIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedForStockOptionsWarrantsAndSeriesFConvertiblePreferredStockDetail"
     ],
     "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": "One-half of Grant Vesting in Two Years Following Completion of Performance Period [Member]"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheTwoMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock": {
     "auth_ref": [
      "r249"
     ],
     "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": "Schedule of PBRSU Activity"
       }
      }
     },
     "localname": "ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SharePrice": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Price of a single share of a number of saleable stocks of a company.",
        "label": "Share Price",
        "terseLabel": "Share price ($ per share)"
       }
      }
     },
     "localname": "SharePrice",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_SharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares issued which are neither cancelled nor held in the treasury.",
        "label": "Shares, Outstanding",
        "periodEndLabel": "Ending balance (in shares)",
        "periodStartLabel": "Beginning balance (in shares)"
       }
      }
     },
     "localname": "SharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r101"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SummaryOfSignificantAccountingPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SoftwareDevelopmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Internally developed software for sale, licensing or long-term internal use.",
        "label": "Software Development [Member]",
        "terseLabel": "Internally Developed Software"
       }
      }
     },
     "localname": "SoftwareDevelopmentMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail",
      "http://www.lendingclub.com/role/PropertyEquipmentAndSoftwareNetAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [
      "r11",
      "r12",
      "r13",
      "r212"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by the different classes of stock of the entity.",
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock [Axis]"
       }
      }
     },
     "localname": "StatementClassOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r29",
      "r212"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components [Axis]"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "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/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Comprehensive Income [Abstract]"
       }
      }
     },
     "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "localname": "StatementOfStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans": {
     "auth_ref": [
      "r12",
      "r13",
      "r212",
      "r220"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares issued during the period as a result of an employee stock purchase plan.",
        "label": "Stock Issued During Period, Shares, Employee Stock Purchase Plans",
        "terseLabel": "Employee stock purchase plan (ESPP) purchase shares (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": {
     "auth_ref": [
      "r12",
      "r13",
      "r212",
      "r220",
      "r250"
     ],
     "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",
        "terseLabel": "Net issuances under equity incentive plans, net of tax (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan": {
     "auth_ref": [
      "r12",
      "r13",
      "r212",
      "r220"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.",
        "label": "Stock Issued During Period, Value, Employee Stock Purchase Plan",
        "terseLabel": "Employee stock purchase plan (ESPP) purchase shares"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueEmployeeStockPurchasePlan",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": {
     "auth_ref": [
      "r29",
      "r212",
      "r220"
     ],
     "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": "Net issuances under equity incentive plans, net of tax"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "terseLabel": "Equity"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r279",
      "r280",
      "r297"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.",
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "totalLabel": "Total equity"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "auth_ref": [
      "r224"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/StockholdersEquity"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubleaseIncome": {
     "auth_ref": [
      "r341",
      "r348"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LeaseCost",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of sublease income excluding finance and operating lease expense.",
        "label": "Sublease Income",
        "terseLabel": "Sublease revenue"
       }
      }
     },
     "localname": "SubleaseIncome",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r357"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Axis]",
        "terseLabel": "Subsequent Event Type [Axis]"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r357"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Domain]",
        "terseLabel": "Subsequent Event Type [Domain]"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CommitmentsAndContingenciesAdditionalInformationDetail",
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Subsequent Events [Abstract]"
       }
      }
     },
     "localname": "SubsequentEventsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "auth_ref": [
      "r359"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.",
        "label": "Subsequent Events [Text Block]",
        "terseLabel": "Subsequent Events"
       }
      }
     },
     "localname": "SubsequentEventsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SubsequentEvents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental Cash Flow Information:"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TimingOfTransferOfGoodOrServiceAxis": {
     "auth_ref": [
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by timing of transfer of good or service to customer.",
        "label": "Timing of Transfer of Good or Service [Axis]",
        "terseLabel": "Timing of Transfer of Good or Service [Axis]"
       }
      }
     },
     "localname": "TimingOfTransferOfGoodOrServiceAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TimingOfTransferOfGoodOrServiceDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Timing of transfer of good or service to customer. Includes, but is not limited to, at point in time or over time.",
        "label": "Timing of Transfer of Good or Service [Domain]",
        "terseLabel": "Timing of Transfer of Good or Service [Domain]"
       }
      }
     },
     "localname": "TimingOfTransferOfGoodOrServiceDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TransactionDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agreement between buyer and seller for the exchange of financial instruments.",
        "label": "Transaction [Domain]",
        "terseLabel": "Transaction [Domain]"
       }
      }
     },
     "localname": "TransactionDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TransactionTypeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of agreement between buyer and seller for the exchange of financial instruments.",
        "label": "Transaction Type [Axis]",
        "terseLabel": "Transaction Type [Axis]"
       }
      }
     },
     "localname": "TransactionTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount": {
     "auth_ref": [
      "r372"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before counterparty netting, of cash proceeds received in transfers of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction.",
        "label": "Transfer of Financial Assets Accounted for as Sales, Cash Proceeds Received for Assets Derecognized, Amount",
        "terseLabel": "Transfer of Financial Assets Accounted for as Sales, Cash Proceeds Received for Assets Derecognized, Amount"
       }
      }
     },
     "localname": "TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TransferredOverTimeMember": {
     "auth_ref": [
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contract with customer in which good or service is transferred over time.",
        "label": "Transferred over Time [Member]",
        "terseLabel": "Transferred over Time"
       }
      }
     },
     "localname": "TransferredOverTimeMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RevenueFromContractsWithCustomersDisaggregationOfRevenueBySourceDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TransfersAndServicingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Transfers and Servicing [Abstract]"
       }
      }
     },
     "localname": "TransfersAndServicingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock": {
     "auth_ref": [
      "r382"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for a transferor's continuing involvement in financial assets that it has transferred in a securitization or asset-backed financing arrangement, the nature of any restrictions on assets reported by an entity in its statement of financial position that relate to a transferred financial asset (including the carrying amounts of such assets), how servicing assets and servicing liabilities are reported, and (for securitization or asset-backed financing arrangements accounted for as sales) when a transferor has continuing involvement with the transferred financial assets and transfers of financial assets accounted for as secured borrowings, how the transfer of financial assets affects an entity's financial position, financial performance, and cash flows.",
        "label": "Transfers and Servicing of Financial Assets [Text Block]",
        "terseLabel": "Securitization and Variable Interest Entities"
       }
      }
     },
     "localname": "TransfersAndServicingOfFinancialAssetsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": {
     "auth_ref": [
      "r381"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.",
        "label": "Financial Instruments [Domain]",
        "terseLabel": "Financial Instruments [Domain]"
       }
      }
     },
     "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAdditionalInformationDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAllowanceForCreditLossesDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleContinuousLossDetails",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleMaturitiesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesOffBalanceSheetLoansSoldOrSecuritizedDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfPersonalWholeLoanSecuritizationsAndSalesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TreasuryStockMember": {
     "auth_ref": [
      "r28",
      "r222"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TreasuryStockRetiredCostMethodAmount": {
     "auth_ref": [
      "r13",
      "r212",
      "r221"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.",
        "label": "Treasury Stock, Retired, Cost Method, Amount",
        "negatedTerseLabel": "Retirement of treasury stock",
        "terseLabel": "Retirement of treasury stock"
       }
      }
     },
     "localname": "TreasuryStockRetiredCostMethodAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TreasuryStockShares": {
     "auth_ref": [
      "r28",
      "r222"
     ],
     "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",
        "terseLabel": "Treasury stock, shares"
       }
      }
     },
     "localname": "TreasuryStockShares",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_TreasuryStockSharesRetired": {
     "auth_ref": [
      "r13",
      "r212",
      "r220"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common and preferred stock retired from treasury during the period.",
        "label": "Treasury Stock, Shares, Retired",
        "negatedLabel": "Retirement of treasury stock (in shares)",
        "terseLabel": "Retirement of treasury stock (in shares)"
       }
      }
     },
     "localname": "TreasuryStockSharesRetired",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfChangesInEquityStatement",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_TreasuryStockValue": {
     "auth_ref": [
      "r28",
      "r222",
      "r223"
     ],
     "calculation": {
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "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",
        "negatedTerseLabel": "Treasury stock, at cost; 0 and 461,391 shares, respectively"
       }
      }
     },
     "localname": "TreasuryStockValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TypeOfRestructuringDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identification of the types of restructuring costs.",
        "label": "Type of Restructuring [Domain]",
        "terseLabel": "Type of Restructuring [Domain]"
       }
      }
     },
     "localname": "TypeOfRestructuringDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/RestructuringCostsAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_USGovernmentAgenciesDebtSecuritiesMember": {
     "auth_ref": [
      "r238",
      "r402"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debentures, notes, and other debt securities issued by US government agencies, for example, but not limited to, Government National Mortgage Association (GNMA or Ginnie Mae). Excludes US treasury securities and debt issued by government-sponsored Enterprises (GSEs), for example, but is not limited to, Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), Federal National Mortgage Association (FNMA or Fannie Mae), and the Federal Home Loan Bank (FHLB).",
        "label": "US Government Agencies Debt Securities [Member]",
        "terseLabel": "U.S. agency securities"
       }
      }
     },
     "localname": "USGovernmentAgenciesDebtSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesLoansLoanServicingRightsRelatedNotesAndCertificatesDetail",
      "http://www.lendingclub.com/role/SecuritiesAvailableForSaleAmortizedCostFairValueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic": {
     "auth_ref": [
      "r106"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.",
        "label": "Undistributed Earnings (Loss) Allocated to Participating Securities, Basic",
        "terseLabel": "One-time cash payment"
       }
      }
     },
     "localname": "UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/NetIncomeLossPerShareConversionOfSharesDetails",
      "http://www.lendingclub.com/role/RelatedPartyTransactionsSummaryOfDepositsAndWithdrawalsMadeByRelatedPartiesDetail",
      "http://www.lendingclub.com/role/StockholdersEquityAdditionalInformationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ValuationTechniqueAxis": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by valuation approach and technique.",
        "label": "Valuation Approach and Technique [Axis]",
        "terseLabel": "Valuation Approach and Technique [Axis]"
       }
      }
     },
     "localname": "ValuationTechniqueAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ValuationTechniqueDomain": {
     "auth_ref": [
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Valuation approach and technique.",
        "label": "Valuation Approach and Technique [Domain]",
        "terseLabel": "Valuation Approach and Technique [Domain]"
       }
      }
     },
     "localname": "ValuationTechniqueDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesQuantitativeInformationAboutSignificantUnobservableInputsUsedForFairValueMeasurementsDetail",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesSensitivityOfFairValueOfLoansInvestedInByCompanyAssetBackedSecuritiesRelatedToStructuredProgramTransactionsAndServicingAssetsDetails",
      "http://www.lendingclub.com/role/FairValueOfAssetsAndLiabilitiesTables"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount": {
     "auth_ref": [
      "r291",
      "r294"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).",
        "label": "Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount",
        "verboseLabel": "Maximum Exposure to Loss"
       }
      }
     },
     "localname": "VariableInterestEntityEntityMaximumLossExposureAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityLineItems": {
     "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": "Variable Interest Entity [Line Items]",
        "terseLabel": "Variable Interest Entity [Line Items]"
       }
      }
     },
     "localname": "VariableInterestEntityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssets": {
     "auth_ref": [
      "r290"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.",
        "label": "Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets",
        "terseLabel": "Carrying Value, Assets"
       }
      }
     },
     "localname": "VariableInterestEntityNonconsolidatedCarryingAmountAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Net carrying amount of the assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), when the reporting entity is not the VIE's primary beneficiary.",
        "label": "Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net",
        "terseLabel": "Carrying Value, Net Assets"
       }
      }
     },
     "localname": "VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Interest Entities (VIE) in which the entity does not have a controlling financial interest (as defined) and of which it is therefore not the primary beneficiary. VIEs of which the entity is not the primary beneficiary because it does not have the power to direct the activities of the VIE that most significantly impact the VIE's economic performance and for which it does not have the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE are not included in the consolidated financial statements of the entity.",
        "label": "Variable Interest Entity, Not Primary Beneficiary [Member]",
        "terseLabel": "Unconsolidated VIEs"
       }
      }
     },
     "localname": "VariableInterestEntityNotPrimaryBeneficiaryMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesUnconsolidatedViesWithSignificantContinuingInvolvementDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": {
     "auth_ref": [
      "r289"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity.",
        "label": "Variable Interest Entity, Primary Beneficiary [Member]",
        "verboseLabel": "Consolidated VIEs"
       }
      }
     },
     "localname": "VariableInterestEntityPrimaryBeneficiaryMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.lendingclub.com/role/DebtDetails",
      "http://www.lendingclub.com/role/LoansHeldForInvestmentLoansHeldForSaleNotesCertificatesAndSecuredBorrowingsAdditionalInformationDetail",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfFinancialAssetAndLiabilityInvolvementWithConsolidatedViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesSummaryOfSelectInformationRelatedToViesDetails",
      "http://www.lendingclub.com/role/SecuritizationsAndVariableInterestEntitiesTables"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VariableLeaseCost": {
     "auth_ref": [
      "r340",
      "r348"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.",
        "label": "Variable Lease, Cost",
        "terseLabel": "Variable lease costs"
       }
      }
     },
     "localname": "VariableLeaseCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/LeasesDetails",
      "http://www.lendingclub.com/role/LeasesNetLeaseCostsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate [Axis]"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/DebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VestingAxis": {
     "auth_ref": [
      "r261"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Axis]",
        "terseLabel": "Vesting [Axis]"
       }
      }
     },
     "localname": "VestingAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VestingDomain": {
     "auth_ref": [
      "r261"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Domain]",
        "terseLabel": "Vesting [Domain]"
       }
      }
     },
     "localname": "VestingDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/EmployeeIncentivePlansAdditionalInformationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).",
        "label": "Weighted Average Number of Shares Outstanding, Basic and Diluted",
        "terseLabel": "Weighted-average common shares - Basic and Diluted (shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfShareOutstandingBasicAndDiluted",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.lendingclub.com/role/CondensedConsolidatedStatementsOfOperations",
      "http://www.lendingclub.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomeLossPerShareDetail"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 9
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=77885760&loc=SL35686385-199418"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "http://asc.fasb.org/topic&trid=2122149"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1278-109256"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(27))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "http://asc.fasb.org/topic&trid=2144383"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "280",
   "URI": "http://asc.fasb.org/topic&trid=2134510"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5086-111524"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/subtopic&trid=2196772"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(aa)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(aaa)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "320",
   "URI": "http://asc.fasb.org/topic&trid=2196928"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=109237563&loc=d3e33775-111570"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919244-210447"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "79",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "80",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922903-210455"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922903-210455"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922903-210455"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(3)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922890-210455"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922895-210455"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.12)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(i)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118942371&loc=SL82922954-210456"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "340",
   "URI": "http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "350",
   "URI": "http://asc.fasb.org/topic&trid=2144416"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.13)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "360",
   "URI": "http://asc.fasb.org/topic&trid=2155823"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.P.3)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.P.4(b))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.14)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.P.4)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "420",
   "URI": "http://asc.fasb.org/topic&trid=2175745"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=99376301&loc=SL5988623-112600"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(CFRR 211.02)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(3)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a),20,24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "505",
   "URI": "http://asc.fasb.org/topic&trid=2208762"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19,20,22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "606",
   "URI": "http://asc.fasb.org/topic&trid=49130388"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "710",
   "URI": "http://asc.fasb.org/topic&trid=2127225"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "712",
   "URI": "http://asc.fasb.org/topic&trid=2197446"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(01)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(n)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "715",
   "URI": "http://asc.fasb.org/topic&trid=2235017"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116855982&loc=d3e4534-113899"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.20)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(i)-(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.F)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11149-113907"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11178-113907"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "http://asc.fasb.org/topic&trid=2228938"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "730",
   "URI": "http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e39076-109324"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.28,29)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "740",
   "URI": "http://asc.fasb.org/topic&trid=2144680"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "30",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "30",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "30",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(c)(1)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29,30)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4613674-111683"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "a",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "b",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4I",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3,4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "810",
   "URI": "http://asc.fasb.org/topic&trid=2197479"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=118875152&loc=SL5864739-113975"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(1)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8,17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=116690757&loc=d3e13220-108610"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13467-108611"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13476-108611"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888369&loc=SL77918431-209957"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(1)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(2)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(4)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "53",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/subtopic&trid=77888251"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/topic&trid=2122745"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "855",
   "URI": "http://asc.fasb.org/topic&trid=2122774"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "51",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116647374&loc=d3e101761-111710"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107314-111719"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107314-111719"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107314-111719"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)(4)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107314-111719"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=SL51823488-111719"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(1)(i)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "50",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(b)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122596-111746"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(4)(i)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(5)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "860",
   "URI": "http://asc.fasb.org/topic&trid=2197590"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r385": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r386": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r387": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r388": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r389": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580"
  },
  "r390": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r391": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r392": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(1)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r394": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(2)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "320",
   "Topic": "940",
   "URI": "http://asc.fasb.org/subtopic&trid=2176304"
  },
  "r396": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(1)(a))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r398": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r399": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580"
  },
  "r400": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r401": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r402": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(6)(a)(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r403": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15(5))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r404": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r405": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r406": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.10)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r407": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.13(h))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r408": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r409": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(a)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r410": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(b)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r411": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/subtopic&trid=2209399"
  },
  "r412": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "405",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818"
  },
  "r413": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823"
  },
  "r414": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r415": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(10))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r416": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r417": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(2))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r418": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r419": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r420": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r421": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.15(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r422": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r423": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(3)(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r424": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04.3(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r425": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
  },
  "r426": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441"
  },
  "r427": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117420044&loc=d3e19393-158473"
  },
  "r428": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "825",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195"
  },
  "r429": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "205",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=118262037&loc=d3e9915-115836"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r430": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.6-05(4))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=6488278&loc=d3e604008-122996"
  },
  "r431": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.6-07.1(c))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=116637345&loc=SL114874292-224272"
  },
  "r432": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.6-09(6))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=116637345&loc=SL114874367-224272"
  },
  "r433": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.6-09(7))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=116637345&loc=SL114874367-224272"
  },
  "r434": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12(2)(i))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010"
  },
  "r435": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12C(1)(a))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010"
  },
  "r436": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-13(1))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010"
  },
  "r437": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15(Column A))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010"
  },
  "r438": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "320",
   "Topic": "946",
   "URI": "http://asc.fasb.org/subtopic&trid=2324412"
  },
  "r439": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 4))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580"
  },
  "r440": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "985",
   "URI": "http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756"
  },
  "r441": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r442": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r443": {
   "Name": "Form 10-Q",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-13"
  },
  "r444": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1-"
  },
  "r445": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r446": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(210.5-03(11))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(1))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(13))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(4))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(5))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(7)(c))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(9)(a))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1(e))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3151-108585"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(14))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3337-108585"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(17))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3337-108585"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3000-108585"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3461-108585"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(d)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(k))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(1)(iii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(d)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(d),(e))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h)(1)(i))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(m)(1)(i)(B)(iii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(m)(1)(i))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  }
 },
 "version": "2.1"
}
