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Derivative (Summarize Key Elements of Derivative Instruments) (Details) - Customer-related interest rate swap contracts - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Matched interest rate swaps with borrower    
Derivative [Line Items]    
Notional Amount $ 4,133 $ 2,391
Assets 110 58
Matched interest rate swaps with counterparty    
Derivative [Line Items]    
Notional Amount 4,133 2,391
Liabilities $ 110 $ 58