Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of Fair Value Option for Mortgage Loans Held for Sale (Details)

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Fair Value Measurements - Summary of Fair Value Option for Mortgage Loans Held for Sale (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]      
Fair Value $ 2,204,216 $ 2,368,777 $ 1,504,842
Principal Amount Due Upon Maturity 2,184,326 2,293,895  
Difference $ 19,890 $ 74,882