Annual report pursuant to Section 13 and 15(d)

Mortgage Loans Held for Sale - Summary of Reconciliation of Changes in Mortgage Loans Held for Sale to Amounts Presented in Condensed Consolidated Statements of Cash Flows (Details)

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Mortgage Loans Held for Sale - Summary of Reconciliation of Changes in Mortgage Loans Held for Sale to Amounts Presented in Condensed Consolidated Statements of Cash Flows (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Mortgages Held For Sale [Roll Forward]    
Balance at the beginning of period $ 2,368,777 $ 1,504,842
Origination of mortgage loans held for sale 37,178,171 35,238,696
Proceeds on sale of payments from mortgage loans held for sale (39,029,444) (35,754,326)
Mortgage loans acquired (see Note 3) 465,020 0
Gain on sale of mortgage loans excluding fair value of other financial instruments, net 1,289,465 1,323,482
Valuation adjustment of mortgage loans held for sale (67,773) 56,083
Balance at the end of period $ 2,204,216 $ 2,368,777