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Available For Sale Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Securities [Abstract]    
Fair value of securities pledged as collateral $ 62,100 $ 53,700
Securities delivered for repurchase agreements 25,200 28,200
Fair value investments $ 178,600 $ 27,300
Fair value as a percentage of available-for-sale investment portfolio 72.00% 18.00%
Total unrealized loss in the securities portfolio $ 2,600 $ 60