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Financial Instruments with Off-Balance Sheet Risk - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Mortgage loans on real estate, write-down or reserve, amount $ 0    
Reserve for unfunded commitments 4,379 $ 5,498 $ 0
Residential Mortgage      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Mortgage loans on real estate, write-down or reserve, amount $ 125 $ 205