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v3.25.1

Borrowings - Asset-Backed Borrowings at Amortized Cost, Narrative (Details) $ in Thousands | Jan. 16, 2025 USD ($) class | Aug. 29, 2024 USD ($) class | Feb. 13, 2024 USD ($) class | Oct. 20, 2023 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
--- | --- | --- | --- | --- | --- | ---
Receivables Loan and Security Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from issuance of debt |  |  |  | $ 197,000 |  |
Weighted average interest rate (as a percent) |  |  |  | 10.05% |  |
Asset-Backed Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Original amount |  |  |  |  | $ 2,100,000 | $ 2,475,000
Asset-Backed Notes | Oportun Issuance Trust 2025-A |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Original amount | $ 425,100 |  |  |  |  |
Number of classes of fixed rate notes | class | 5 |  |  |  |  |
Asset-Backed Notes | Oportun Issuance Trust 2025-A | Private Placement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Weighted average yield (as a percent) | 6.95% |  |  |  |  |
Weighted average coupon (as a percent) | 6.15% |  |  |  |  |
Asset-Backed Notes | Oportun Issuance Trust 2024-2 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Original amount |  | $ 223,300 |  |  |  |
Number of classes of fixed rate notes | class |  | 4 |  |  |  |
Asset-Backed Notes | Oportun Issuance Trust 2024-2 | Private Placement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Weighted average yield (as a percent) |  | 8.22% |  |  |  |
Weighted average coupon (as a percent) |  | 8.07% |  |  |  |
Asset-Backed Notes | Oportun Issuance Trust 2024-1 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Original amount |  |  | $ 199,500 |  |  |
Number of classes of fixed rate notes | class |  |  | 4 |  |  |
Asset-Backed Notes | Oportun Issuance Trust 2024-1 | Private Placement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Weighted average yield (as a percent) |  |  | 8.60% |  |  |
Weighted average coupon (as a percent) |  |  | 8.43% |  |  |

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