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Derivative Financial Instruments - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative [Line Items]      
Carrying amount of hedged loans receivable $ 205,235 $ 239,591  
Cumulative amount of fair value hedging adjustment 5,614 14,906  
Fair value of derivatives in a net liability position 14,882 28,622  
Posted collateral aggregate fair value 14,970 31,400  
Derivative financial instruments not designated as hedging instruments:      
Derivative [Line Items]      
Fee income $ 2,309 $ 3,066 $ 1,075