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Troubled Debt Restructurings (Narrative) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) loan contract	Mar. 31, 2021 USD ($) loan contract	Dec. 31, 2021 USD ($) loan
Financing Receivable Modifications [Line Items]
Number of troubled debt restructured loans | loan	17		17
Financing Receivable, Modifications, Nonaccrual, Number of Contracts | loan	2		2
Financing Receivable, Modifications, Nonaccrual, Recorded Investment | $	$ 145		$ 149
Total troubled debt restructured loans | $	$ 2,600		$ 2,700
Number of deferral loans of interest and principal payments | loan		2
Number of contractions modified by granting concession | contract		2
Number of payment defaults | contract	0	0
Residential Single Family
Financing Receivable Modifications [Line Items]
Loan is considered payment default	30 days
Payment Deferral [Member] | CARES Act [Member]
Financing Receivable Modifications [Line Items]
Deferrals on outstanding loan balances | $		$ 41

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-Section 50
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