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Securities, Gains and (Losses) on Equity Securities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Gains (losses) on equity securities [Abstract]      
Net (losses) and gains recognized on equity securities $ (183) $ 452  
Less: Net (losses) and gains recognized on equity securities sold during the period 0 0  
Unrealized (losses) and gains recognized on equity securities still held (183) 452  
Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract]      
Carrying amount of equity securities without readily determinable fair values 1,000   $ 1,000
Impairment adjustments of equity securities without readily determinable fair values 0 0  
Downward adjustments of equity securities without readily determinable fair values 0 0  
Upward adjustments of equity securities without readily determinable fair values $ 0 $ 0