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Investment Securities (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]    
Available-for-sale Securities Pledged as Collateral $ 95.0 $ 71.2
Description of Holding Securities there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity. there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.
Accrued interest receivable for investment securities available for sale $ 1.4 $ 1.6