v3.23.2

Loans and Leases Held for Investment at Amortized Cost, Net of Allowance for Loan and Lease Losses - Allowance For Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan and lease losses, beginning of period | $ 348,857 | $ 187,985 | $ 327,852 | $ 144,389
Credit loss expense for loans and leases held for investment | 66,190 | 70,053 | 137,040 | 122,281
Charge-offs | (64,269) | (15,852) | (116,832) | (24,941)
Recoveries | 4,385 | 1,074 | 7,103 | 1,531
Allowance for loan and lease losses, end of period | 355,163 | 243,260 | 355,163 | 243,260
Unfunded Loan Commitment |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |
Reserve for unfunded lending commitments, beginning of period | 1,612 | 1,512 | 1,878 | 1,231
Credit loss expense for unfunded lending commitments | 405 | 513 | 139 | 794
Reserve for unfunded lending commitments, end of period | 2,017 | 2,025 | 2,017 | 2,025
Unfunded Loan Commitment, Commitments To Extend Credit |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |
Reserve for unfunded lending commitments, beginning of period |  |  | 138,000 |
Reserve for unfunded lending commitments, end of period | 108,900 | 132,600 | 108,900 | 132,600
Consumer Portfolio Segment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan and lease losses, beginning of period | 333,546 | 173,857 | 312,489 | 128,812
Credit loss expense for loans and leases held for investment | 66,874 | 68,314 | 137,558 | 122,032
Charge-offs | (63,345) | (14,707) | (115,557) | (23,724)
Recoveries | 4,086 | 720 | 6,671 | 1,064
Allowance for loan and lease losses, end of period | 341,161 | 228,184 | 341,161 | 228,184
Consumer Portfolio Segment | Unfunded Loan Commitment |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |
Reserve for unfunded lending commitments, beginning of period | 67 | 0 | 18 | 0
Credit loss expense for unfunded lending commitments | (67) | 136 | (18) | 136
Reserve for unfunded lending commitments, end of period | 0 | 136 | 0 | 136
Commercial Portfolio Segment |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Allowance for loan and lease losses, beginning of period | 15,311 | 14,128 | 15,363 | 15,577
Credit loss expense for loans and leases held for investment | (684) | 1,739 | (518) | 249
Charge-offs | (924) | (1,145) | (1,275) | (1,217)
Recoveries | 299 | 354 | 432 | 467
Allowance for loan and lease losses, end of period | 14,002 | 15,076 | 14,002 | 15,076
Commercial Portfolio Segment | Unfunded Loan Commitment |  |  |  |
Off-Balance Sheet, Credit Loss, Liability [Roll Forward] |  |  |  |
Reserve for unfunded lending commitments, beginning of period | 1,545 | 1,512 | 1,860 | 1,231
Credit loss expense for unfunded lending commitments | 472 | 377 | 157 | 658
Reserve for unfunded lending commitments, end of period | $ 2,017 | $ 1,889 | $ 2,017 | $ 1,889

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482454/460-10-45-1 + Details
Name: | us-gaap_OffBalanceSheetCreditLossLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_OffBalanceSheetCreditLossLiabilityRollforward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=lc_UnfundedLoanCommitmentCommitmentsToExtendCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |