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Investment Securities - Additional information (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
item
loan
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
item
Marketable Securities [Line Items]      
Transferred investment securities, carrying value     $ 99,000
Transferred investment securities, unrealized gain     593
Proceeds from sales of available-for-sale securities $ 0 $ 0  
Gross gains of available-for-sale debt securities 0 10  
Pledged securities, market value 88,000   78,600
Pledged securities, amortized cost $ 93,500   $ 78,800
Estimated weighted average remaining life 5 years   4 years 6 months
Equity securities with readily determinable fair values $ 2,324   $ 1,869
Non-interest income      
Marketable Securities [Line Items]      
Loss on investment $ 117    
Gain on investments   $ 33  
U.S Treasuries      
Marketable Securities [Line Items]      
Number of positions | item 23   15
U.S. government and federal agencies      
Marketable Securities [Line Items]      
Number of positions | item 46   40
Collateralized mortgage obligations      
Marketable Securities [Line Items]      
Number of positions | item 46   35
Corporate bonds      
Marketable Securities [Line Items]      
Number of positions | loan 2    
Municipal Securities      
Marketable Securities [Line Items]      
Number of positions | item 11   8
Mortgage-backed      
Marketable Securities [Line Items]      
Number of positions | item 161   75