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Debt (Long-term Debt Outstanding by Due Date) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Total FHLB fixed rate instruments $ 71,323 $ 77,890
Lease obligations included in long-term debt 3,358 3,380
Total long-term debt 74,681 81,270
Due in April 2022 [Member]    
Debt Instrument [Line Items]    
Long-term debt outstanding $ 70,000 $ 70,000
Federal Home Loan Bank, advances, branch of FHLB bank, interest rate 0.86343% 0.86343%
Federal Home Loan Bank, advances, branch of FHLB bank, due date 2022-04 2022-04
Due in March 2023 [Member]    
Debt Instrument [Line Items]    
Long-term debt outstanding   $ 6,500
Federal Home Loan Bank, advances, branch of FHLB bank, interest rate 0.7514% 0.7514%
Federal Home Loan Bank, advances, branch of FHLB bank, due date 2023-03 2023-03
Due in August 2026 [Member]    
Debt Instrument [Line Items]    
Long-term debt outstanding $ 1,288 $ 1,353
Federal Home Loan Bank, advances, branch of FHLB bank, interest rate 4.80% 4.80%
Federal Home Loan Bank, advances, branch of FHLB bank, due date 2026-08 2026-08
Due in February 2027 [Member]    
Debt Instrument [Line Items]    
Long-term debt outstanding $ 35 $ 37
Federal Home Loan Bank, advances, branch of FHLB bank, interest rate 6.71% 6.71%
Federal Home Loan Bank, advances, branch of FHLB bank, due date 2027-02 2027-02