Loans and Finance Receivables - Components of Company-owned Loans and Finance Receivables At Fair Value (Detail) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
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| Accounts Notes And Loans Receivable [Line Items] | |||||||||||
| Principal balance - accrual | $ 3,833,394 | $ 3,500,174 | $ 3,154,322 | ||||||||
| Principal balance - non-accrual | 307,719 | 310,270 | 269,330 | ||||||||
| Total principal balance | 4,141,113 | 3,810,444 | 3,423,652 | ||||||||
| Accrued interest and fees | 157,562 | 156,042 | 146,074 | ||||||||
| Loans and finance receivables at fair value - accrual | 4,630,465 | 4,290,422 | 3,853,929 | ||||||||
| Loans and finance receivables at fair value - non-accrual | 142,850 | 96,022 | 85,230 | ||||||||
| Loans and finance receivables at fair value | 4,773,315 | [1] | $ 4,569,819 | 4,386,444 | [1] | 3,939,159 | [1] | $ 3,795,210 | $ 3,629,167 | ||
| Difference between principal balance and fair value | 632,202 | 576,000 | 515,507 | ||||||||
| Consumer | |||||||||||
| Accounts Notes And Loans Receivable [Line Items] | |||||||||||
| Principal balance - accrual | 1,229,578 | 1,210,042 | 1,056,193 | ||||||||
| Principal balance - non-accrual | 145,487 | 143,972 | 120,534 | ||||||||
| Total principal balance | 1,375,065 | 1,354,014 | 1,176,727 | ||||||||
| Accrued interest and fees | 127,093 | 128,956 | 109,028 | ||||||||
| Loans and finance receivables at fair value - accrual | 1,599,365 | 1,617,708 | 1,398,890 | ||||||||
| Loans and finance receivables at fair value - non-accrual | 68,971 | 21,599 | 22,924 | ||||||||
| Loans and finance receivables at fair value | 1,668,336 | 1,616,337 | 1,639,307 | 1,421,814 | 1,347,165 | 1,380,784 | |||||
| Difference between principal balance and fair value | 293,271 | 285,293 | 245,087 | ||||||||
| Small Business | |||||||||||
| Accounts Notes And Loans Receivable [Line Items] | |||||||||||
| Principal balance - accrual | 2,603,816 | 2,290,132 | 2,098,129 | ||||||||
| Principal balance - non-accrual | 162,232 | 166,298 | 148,796 | ||||||||
| Total principal balance | 2,766,048 | 2,456,430 | 2,246,925 | ||||||||
| Accrued interest and fees | 30,469 | 27,086 | 37,046 | ||||||||
| Loans and finance receivables at fair value - accrual | 3,031,100 | 2,672,714 | 2,455,039 | ||||||||
| Loans and finance receivables at fair value - non-accrual | 73,879 | 74,423 | 62,306 | ||||||||
| Loans and finance receivables at fair value | 3,104,979 | $ 2,953,482 | 2,747,137 | 2,517,345 | $ 2,448,045 | $ 2,248,383 | |||||
| Difference between principal balance and fair value | $ 338,931 | $ 290,707 | $ 270,420 | ||||||||
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