Troubled Debt Restructurings (Narrative) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) loan contract	Dec. 31, 2020 USD ($) loan contract	Mar. 31, 2021 USD ($) loan
Financing Receivable Modifications [Line Items]
Number of troubled debt restructured loans \| loan	17	17
Total troubled debt restructured loans \| $	$ 2,700	$ 3,300
Financing Receivable, Modifications, Nonaccrual, Number of Contracts \| loan	2	3
Financing Receivable, Modifications, Nonaccrual, Recorded Investment \| $	$ 149	$ 796
Number of deferral loans of interest and principal payments \| loan		255	2
Deferrals on outstanding loan balances \| $			$ 41,000
Number of contractions modified by granting concession	3	5
Number of consumer installment loan granted	1
Troubled debt restructuring modifications by granting a refinance	2
Consumer Installment
Financing Receivable Modifications [Line Items]
Number of contracts modified by changing the amortization period	2	1
Residential Single Family
Financing Receivable Modifications [Line Items]
Number of contracts modified by changing the amortization period	1	1
Number of residential loan by granting a lower interest rate	1
Number of contracts modified by reduced payment amount		1
Number of contracts modified by new policy exception		1
Loan is considered payment default	30 days
Commercial Real Estate
Financing Receivable Modifications [Line Items]
Number of contracts modified by granting interest		1
Payment Deferral [Member] \| CARES Act [Member]
Financing Receivable Modifications [Line Items]
Deferrals on outstanding loan balances \| $		$ 130,500

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