Quarterly report pursuant to Section 13 or 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
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Fair Value Disclosures [Abstract]        
Fair Value $ 1,281,799 $ 2,204,216 $ 2,345,927 $ 2,368,777
Principal Amount Due Upon Maturity 1,302,905 2,184,326    
Difference $ (21,106) $ 19,890