Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Fair Value, Assets Measured On Recurring Basis, Unobservable Input Reconciliation (Details)

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Fair Value - Fair Value, Assets Measured On Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Mortgage loans held for investment        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance $ 11,891,142 $ 11,171,736 $ 10,659,984 $ 11,587,382
Total gain or losses included in earnings (34,147) 153,690 132,499 (70,042)
Purchases, settlements and transfers:        
Purchases and additions, net 1,928,290 1,428,976 1,143,109 3,776,445
Sales and settlements (671,743) (615,958) (534,738) (1,284,367)
Transfers in/(out) between categories (1,172,691) (597,327) (229,118) (2,068,567)
Ending balance 11,940,851 11,541,117 11,171,736 11,940,851
Mortgage loans held for investment, subject to nonrecourse debt        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance 6,235,990 5,291,444 5,396,167 6,218,194
Total gain or losses included in earnings (257,874) 80,408 (37,757) (571,594)
Purchases, settlements and transfers:        
Purchases and additions, net 28,206 22,041 21,064 58,548
Sales and settlements (573,913) (522,141) (360,128) (1,160,189)
Transfers in/(out) between categories 1,168,353 552,869 272,098 2,055,803
Ending balance 6,600,762 5,424,621 5,291,444 6,600,762
Mortgage loans held for sale        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance 229,045 135,681 152,854 166,750
Total gain or losses included in earnings (4,163) 1,816 2,764 (11,203)
Purchases, settlements and transfers:        
Purchases and additions, net 395,502 256,438 175,551 791,522
Sales and settlements (353,460) (275,956) (152,579) (683,050)
Transfers in/(out) between categories 3,198 42,909 (42,909) 6,103
Ending balance 270,122 160,888 135,681 270,122
Derivative assets        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance 2,736 38,574 88,660 23,222
Total gain or losses included in earnings 11,261 (3,066) (50,040) (9,225)
Purchases, settlements and transfers:        
Sales and settlements   (25) (46)  
Ending balance 13,997 35,483 38,574 13,997
Mortgage servicing rights        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance 426,102 267,364 180,684 427,942
Total gain or losses included in earnings (12,671) (26,536) 20,349 39,697
Purchases, settlements and transfers:        
Purchases and additions, net 41,218 50,110 74,978 94,662
Sales and settlements (95,643) 0 (8,647) (203,295)
Ending balance 359,006 290,938 267,364 359,006
Retained Bonds        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance 50,875 0   55,614
Total gain or losses included in earnings (3,020) 666   (6,309)
Purchases, settlements and transfers:        
Purchases and additions, net   15,078    
Sales and settlements (1,262) (73)   (2,712)
Ending balance 46,593 15,671 0 46,593
Investments        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance 6,000 9,470 18,934 6,000
Total gain or losses included in earnings (5,000) (3,470) (9,464) (5,000)
Purchases, settlements and transfers:        
Ending balance $ 1,000 $ 6,000 $ 9,470 $ 1,000