Fair Value - Assets and Liabilities Measured At Fair Value On Recurring Basis Using Significant Unobservable Inputs (Details) - Level 3 - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Loans held for investment | ||||
| Assets | ||||
| Beginning balance | $ 17,360,529 | $ 11,891,142 | $ 12,022,098 | $ 11,587,382 |
| Total gain (loss) included in earnings | 159,828 | (34,147) | 404,587 | (70,042) |
| Purchases and additions | 701,918 | 1,928,290 | 7,164,192 | 3,776,445 |
| Sales and settlements | (488,514) | (671,743) | (895,456) | (1,284,367) |
| Transfers in (out) between categories | (165,010) | (1,172,691) | (1,126,670) | (2,068,567) |
| Ending balance | 17,568,751 | 11,940,851 | 17,568,751 | 11,940,851 |
| Loans held for investment, subject to nonrecourse debt | ||||
| Assets | ||||
| Beginning balance | 8,374,827 | 6,235,990 | 7,454,638 | 6,218,194 |
| Total gain (loss) included in earnings | (219,848) | (257,874) | 78,788 | (571,594) |
| Purchases and additions | 20,524 | 28,206 | 47,505 | 58,548 |
| Sales and settlements | (406,433) | (573,913) | (739,757) | (1,160,189) |
| Transfers in (out) between categories | 159,344 | 1,168,353 | 1,087,240 | 2,055,803 |
| Ending balance | 7,928,414 | 6,600,762 | 7,928,414 | 6,600,762 |
| Loans held for sale | ||||
| Assets | ||||
| Beginning balance | 18,743 | 218,468 | 161,861 | 149,426 |
| Total gain (loss) included in earnings | (523) | (7,982) | (1,351) | (9,820) |
| Purchases and additions | 0 | 309,955 | 40,468 | 740,761 |
| Sales and settlements | (9,059) | (293,295) | (207,397) | (653,221) |
| Transfers in (out) between categories | 1,534 | 6,103 | 17,114 | 6,103 |
| Ending balance | 10,695 | 233,249 | 10,695 | 233,249 |
| MSR | ||||
| Assets | ||||
| Beginning balance | 13,713 | 426,102 | 95,096 | 427,942 |
| Total gain (loss) included in earnings | 207 | (12,671) | (1,161) | 39,697 |
| Purchases and additions | 0 | 41,218 | 405 | 94,662 |
| Sales and settlements | (4,464) | (95,643) | (84,884) | (203,295) |
| Transfers in (out) between categories | 0 | 0 | 0 | 0 |
| Ending balance | 9,456 | 359,006 | 9,456 | 359,006 |
| Retained bonds | ||||
| Assets | ||||
| Beginning balance | 47,048 | 50,875 | 46,439 | 55,614 |
| Total gain (loss) included in earnings | (610) | (3,020) | 421 | (6,309) |
| Purchases and additions | 0 | 0 | 0 | 0 |
| Sales and settlements | (868) | (1,262) | (1,290) | (2,712) |
| Transfers in (out) between categories | 0 | 0 | 0 | 0 |
| Ending balance | 45,570 | 46,593 | 45,570 | 46,593 |
| Purchase Commitments | ||||
| Assets | ||||
| Beginning balance | 9,356 | |||
| Total gain (loss) included in earnings | 0 | |||
| Purchases and additions | 0 | |||
| Sales and settlements | (9,356) | |||
| Transfers in (out) between categories | 0 | |||
| Ending balance | 0 | 0 | ||
| Investments | ||||
| Assets | ||||
| Beginning balance | 6,000 | 6,000 | ||
| Total gain (loss) included in earnings | (5,000) | (5,000) | ||
| Purchases and additions | 0 | 0 | ||
| Sales and settlements | 0 | 0 | ||
| Transfers in (out) between categories | 0 | 0 | ||
| Ending balance | 1,000 | 1,000 | ||
| HMBS related obligations | ||||
| Liabilities | ||||
| Beginning balance | (16,407,629) | (10,548,131) | (10,996,755) | (10,422,358) |
| Total gain (loss) included in earnings | (132,962) | 93,095 | (280,413) | 178,677 |
| Purchases and additions | (627,721) | (992,053) | (6,275,762) | (1,940,735) |
| Settlements | 502,777 | 701,210 | 887,395 | 1,438,537 |
| Ending balance | (16,665,535) | (10,745,879) | (16,665,535) | (10,745,879) |
| Deferred purchase price liabilities | ||||
| Liabilities | ||||
| Beginning balance | (4,522) | (137) | ||
| Total gain (loss) included in earnings | 480 | 0 | ||
| Purchases and additions | 0 | (3,905) | ||
| Settlements | 0 | 0 | ||
| Ending balance | (4,042) | (4,042) | ||
| Nonrecourse debt in consolidated VIE trusts | ||||
| Liabilities | ||||
| Beginning balance | (7,955,875) | (6,032,156) | (7,175,857) | (5,857,069) |
| Total gain (loss) included in earnings | 95,135 | 116,701 | (142,180) | 222,041 |
| Purchases and additions | (467,262) | (756,058) | (1,106,761) | (1,804,557) |
| Settlements | 590,473 | 224,275 | 687,269 | 992,347 |
| Ending balance | (7,737,529) | (6,447,238) | (7,737,529) | (6,447,238) |
| Nonrecourse commercial loan financing liability | ||||
| Liabilities | ||||
| Beginning balance | (75,689) | (127,640) | (106,758) | (111,738) |
| Total gain (loss) included in earnings | (388) | (66) | (7) | 188 |
| Purchases and additions | (4,965) | (57,157) | (27,565) | (117,815) |
| Settlements | 22,026 | 22,399 | 75,314 | 66,901 |
| Ending balance | (59,016) | (162,464) | (59,016) | (162,464) |
| Nonrecourse MSR financing liability | ||||
| Liabilities | ||||
| Beginning balance | (988) | (163,981) | (60,562) | (142,435) |
| Total gain (loss) included in earnings | 0 | (337) | 748 | (16,375) |
| Purchases and additions | 0 | (1,050) | 0 | (6,792) |
| Settlements | 988 | 22,986 | 59,814 | 23,220 |
| Ending balance | 0 | (142,382) | 0 | (142,382) |
| TRA Liability | ||||
| Liabilities | ||||
| Beginning balance | (2,202) | (29,380) | (3,781) | (29,380) |
| Total gain (loss) included in earnings | 1,105 | 15,455 | 2,684 | 15,455 |
| Purchases and additions | 0 | 0 | 0 | 0 |
| Settlements | 0 | 0 | 0 | 0 |
| Ending balance | $ (1,097) | $ (13,925) | $ (1,097) | $ (13,925) |