Receivable Portfolios, Net - Change in the Balance in Receivable Portfolios, Net (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Receivables Portfolio, Net [Roll Forward] | ||||
| Balance, beginning of period | $ 4,609,705 | $ 4,184,780 | $ 4,371,532 | $ 3,776,369 |
| Negative allowance for expected recoveries - portfolio purchases | 389,655 | 346,069 | 1,196,311 | 1,081,019 |
| Collections applied to receivable portfolios, net | (339,431) | (292,892) | (1,004,448) | (846,292) |
| Changes in recoveries | 111,043 | 63,636 | 244,898 | 140,699 |
| Put-backs and recalls | (2,884) | (5,237) | (9,239) | (14,796) |
| Disposals and transfers to real estate owned | (749) | (949) | (2,617) | (2,960) |
| Foreign currency translation adjustments | (3,927) | (25,391) | (33,025) | 135,977 |
| Balance, end of period | 4,763,412 | 4,270,016 | 4,763,412 | 4,270,016 |
| Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price [Abstract] | ||||
| Purchase price | 389,655 | 346,069 | 1,196,311 | 1,081,019 |
| Allowance for credit losses | 1,233,625 | 859,199 | 4,236,604 | 2,939,336 |
| Amortized cost | 1,623,280 | 1,205,268 | 5,432,915 | 4,020,355 |
| Noncredit discount | 2,137,180 | 1,562,698 | 7,115,179 | 5,164,621 |
| Face value | 3,760,460 | 2,767,966 | 12,548,094 | 9,184,976 |
| Write-off of amortized cost | (1,623,280) | (1,205,268) | (5,432,915) | (4,020,355) |
| Write-off of noncredit discount | (2,137,180) | (1,562,698) | (7,115,179) | (5,164,621) |
| Negative allowance | 389,655 | 346,069 | 1,196,311 | 1,081,019 |
| Negative allowance for expected recoveries - portfolio purchases | 389,655 | 346,069 | 1,196,311 | 1,081,019 |
| Collections applied to principal balance (debt purchasing) | ||||
| Cash Collections | 753,845 | 663,018 | 2,209,123 | 1,922,810 |
| Less - amounts classified to portfolio revenue | (414,414) | (370,126) | (1,204,675) | (1,076,518) |
| Collections applied to receivable portfolios, net | 339,431 | 292,892 | 1,004,448 | 846,292 |
| Changes in expected recoveries | ||||
| Recoveries above forecast | 51,827 | 61,459 | 150,984 | 140,674 |
| Changes in expected future recoveries | 59,216 | 2,177 | 93,914 | 25 |
| Changes in recoveries | $ 111,043 | $ 63,636 | $ 244,898 | $ 140,699 |