Borrowings (Details) - USD ($) | | 6 Months Ended | 12 Months Ended | |
May 24, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Jul. 22, 2022 |
Debt Instrument [Line Items] | | | | |
Facility amount | $ 20,900,000 | $ 750,000,000 | | |
Current balance | | 505,727,000 | $ 393,889,000 | |
Current balance | | 1,935,842,000 | 1,651,706,000 | |
Variable Interest Entity, Primary Beneficiary | | | | |
Debt Instrument [Line Items] | | | | |
Current balance | | 509,000,000 | 398,000,000 | |
Current balance | | 1,935,842,000 | 1,651,706,000 | |
Variable Interest Entity, Primary Beneficiary | Oportun RF, LLC | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | 116,000,000 | | |
Variable interest entity, balance | | $ 113,951,000 | 114,092,000 | |
Variable Interest Entity, Primary Beneficiary | Oportun RF, LLC | Minimum | | | | |
Debt Instrument [Line Items] | | | | |
Interest Rate, basis spread | | 0% | | |
Variable Interest Entity, Primary Beneficiary | Oportun RF, LLC | Maximum | | | | |
Debt Instrument [Line Items] | | | | |
Interest Rate, basis spread | | 8% | | |
Oportun Issuance Trust (Series 2022-A) | | | | |
Debt Instrument [Line Items] | | | | |
Original revolving period | 2 years | | | |
Asset-Backed Notes 2022-2 Securitization | Subsequent Event | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | | | $ 400,000,000 |
Weighted average interest rate | | | | 7.77% |
Weighted average yield, percent | | | | 8% |
Credit Facility | Warehouse Facility | | | | |
Debt Instrument [Line Items] | | | | |
Facility amount | | $ 600,000,000 | | |
Current balance | | $ 426,388,000 | 353,781,000 | |
Credit Facility | Warehouse Facility | LIBOR | | | | |
Debt Instrument [Line Items] | | | | |
Interest Rate, basis spread | | 2.17% | | |
Interest Rate, basis spread minimum | | 0% | | |
Credit Facility | Secured Warehouse Facility CCW | | | | |
Debt Instrument [Line Items] | | | | |
Facility amount | | $ 150,000,000 | | |
Current balance | | $ 79,339,000 | 40,108,000 | |
Credit Facility | Secured Warehouse Facility CCW | LIBOR | Minimum | | | | |
Debt Instrument [Line Items] | | | | |
Interest Rate, basis spread | | 1% | | |
Credit Facility | Secured Warehouse Facility CCW | LIBOR | Maximum | | | | |
Debt Instrument [Line Items] | | | | |
Interest Rate, basis spread | | 6% | | |
Asset-Backed Notes | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | $ 2,054,412,000 | 1,654,412,000 | |
Current balance | | 1,935,842,000 | 1,651,706,000 | |
Asset-Backed Notes | Initial Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | 2,113,482,000 | 1,703,271,000 | |
Asset-Backed Notes | Current Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | 2,155,615,000 | 1,737,245,000 | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2022-A) | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | $ 400,000,000 | 400,000,000 | | |
Current balance | | $ 384,896,000 | | |
Original revolving period | | 2 years | | |
Weighted average interest rate | 5.68% | 5.36% | | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2022-A) | Initial Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | $ 410,211,000 | | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2022-A) | Current Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | 422,897,000 | | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2021-C) | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | 500,000,000 | 500,000,000 | |
Current balance | | $ 456,610,000 | $ 497,774,000 | |
Original revolving period | | 3 years | 3 years | |
Weighted average interest rate | | 2.48% | 2.48% | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2021-C) | Initial Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | $ 512,762,000 | $ 512,762,000 | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2021-C) | Current Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | 520,998,000 | 525,436,000 | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2021-B) | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | 500,000,000 | 500,000,000 | |
Current balance | | $ 464,656,000 | $ 498,487,000 | |
Original revolving period | | 3 years | 3 years | |
Weighted average interest rate | | 2.05% | 2.05% | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2021-B) | Initial Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | $ 512,759,000 | $ 512,759,000 | |
Asset-Backed Notes | Oportun Issuance Trust (Series 2021-B) | Current Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | 521,243,000 | 521,174,000 | |
Asset-Backed Notes | Oportun Funding XIV, LLC (Series 2021-A) | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | 375,000,000 | 375,000,000 | |
Current balance | | $ 352,259,000 | $ 374,363,000 | |
Original revolving period | | 2 years | 2 years | |
Weighted average interest rate | | 1.79% | 1.79% | |
Asset-Backed Notes | Oportun Funding XIV, LLC (Series 2021-A) | Initial Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | $ 383,632,000 | $ 383,632,000 | |
Asset-Backed Notes | Oportun Funding XIV, LLC (Series 2021-A) | Current Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | 391,176,000 | 391,325,000 | |
Asset-Backed Notes | Oportun Funding XIII, LLC (Series 2019-A) | | | | |
Debt Instrument [Line Items] | | | | |
Initial note amount issued | | 279,412,000 | 279,412,000 | |
Current balance | | $ 277,421,000 | $ 281,082,000 | |
Original revolving period | | 3 years | 3 years | |
Weighted average interest rate | | 3.46% | 3.46% | |
Asset-Backed Notes | Oportun Funding XIII, LLC (Series 2019-A) | Initial Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | $ 294,118,000 | $ 294,118,000 | |
Asset-Backed Notes | Oportun Funding XIII, LLC (Series 2019-A) | Current Collateral | | | | |
Debt Instrument [Line Items] | | | | |
Initial collateral balance | | $ 299,301,000 | $ 299,310,000 | |
Asset-Backed Notes | Secured Warehouse Facility CCW | LIBOR | Minimum | | | | |
Debt Instrument [Line Items] | | | | |
Basis spread on variable rate, outstanding principal | | 0% | | |
Asset-Backed Notes | Secured Warehouse Facility CCW | LIBOR | Maximum | | | | |
Debt Instrument [Line Items] | | | | |
Basis spread on variable rate, outstanding principal | | 3.41% | | |
Asset-Backed Notes | Credit Card Warehouse Facility | | | | |
Debt Instrument [Line Items] | | | | |
Principal threshold to trigger different interest rate | | $ 18,800,000 | | |
Asset-Backed Notes | Asset-Backed Notes Class D | | | | |
Debt Instrument [Line Items] | | | | |
Interest Rate, basis spread | 8% | | | |
Initial note amount issued | $ 20,900,000 | | | |