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Revenue - Schedule of Components of Interest Income and Fair Value Adjustments, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |  |
Interest income | [1] | $ 45,623 | $ 52,883 | $ 86,191 | $ 104,054
Interest expense | [1] | (7,772) | (11,470) | (14,792) | (22,184)
Unrealized loss on loans, loan charge-offs, and other fair value adjustments, net |  | (18,878) | (31,949) | (40,204) | (61,542)
Realized gain (loss) on sale of loans, net |  | 3,829 | (4,511) | 1,838 | (11,615)
Fair value adjustments and realized gains (losses) on beneficial interests, net |  | (6,288) | (7,855) | 11,377 | (21,889)
Total fair value and other adjustments, net | [1] | (21,337) | (44,315) | (26,989) | (95,046)
Total interest income, interest expense, and fair value adjustments, net |  | 16,514 | (2,902) | 44,410 | (13,176)
Variable Interest Entity, Primary Beneficiary |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Interest income |  | 4,465 | 7,714 | 9,577 | 16,338
Interest expense |  | (1,668) | (2,514) | (3,517) | (5,274)
Unrealized loss on loans, loan charge-offs, and other fair value adjustments, net |  | (3,238) | (9,266) | (7,018) | (19,917)
Total interest income, interest expense, and fair value adjustments, net |  | $ (441) | $ (4,066) | $ (958) | $ (8,853)
[1] | Balances for the three and six months ended June 30, 2024 and 2025 include amounts related to the consolidated securitization. Refer to “Note 2. Revenue” for details.

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