Annual report pursuant to Section 13 and 15(d)

Loans Held for Investment, at Fair Value - Summary Of Reconciliation Of Changes In Loans Held For Sale (Detail)

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Loans Held for Investment, at Fair Value - Summary Of Reconciliation Of Changes In Loans Held For Sale (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Mortgage Loans Held for Sale At Fair Value [Abstract]      
Beginning balance $ 2,222,811 $ 2,140,361 $ 1,251,574
Originations/purchases/repurchases 8,569,575 21,843,640 29,407,723
Proceeds from sales (8,878,131) (22,438,540) (29,628,177)
Loans acquired through business combinations 35,226 0 0
Net transfers from loans held for investment 0 8,828 183,578
Gain on loans held for sale, net 188,564 497,557 1,009,105
Net fair value gains on loans held for sale 2,316 532 (992)
Ending balance $ 2,140,361 $ 2,052,378 $ 2,222,811