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Fair Value of Financial Instruments - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Mortgage Loans          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Net (losses) gains from fair value changes of mortgage loans held for sale recorded in income $ (4,276) $ (3,908) $ (16,479) $ (14,894)  
GNMA          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Delinquent GNMA loans that had been previously sold         $ 94,648
Level 3 | Non-recurring Basis          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Amortized costs of collateral dependent loans $ 578   $ 578   $ 5,781