Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Significant Accounting Policies [Line Items]
Cash exceeded federally insured limits	$ 136,900
Cash held, not federally insured	133,200
Interest-bearing deposits in other financial institutions	100	$ 100
Balance outstanding in joint ventures	1,568	2,150
Income recognized on joint ventures	$ 172	224	$ 173
Tax benefit greater than being realized on examination	50.00%
Collateral pledged for advances	$ 356,828	242,335
Investment	2,097	2,097
Maximum exposure to loss related to investments	2,097
Allowance for loans and leases	16,062	15,508	17,022	$ 7,138
ASU 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Significant Accounting Policies [Line Items]
Allowance for loans and leases	15
Cash [Member]
Significant Accounting Policies [Line Items]
Collateral pledged for advances	$ 3,300	3,300
Minimum [Member] | Buildings And Related Components [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Minimum [Member] | Furniture, fixtures and equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	2 years
Maximum [Member]
Significant Accounting Policies [Line Items]
Home equity lines of credit combined with the balance of the prior mortgage liens	89.90%
Maturity of cash, deposits with other financial institutions	90 days
Maximum [Member] | Buildings And Related Components [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	40 years
Maximum [Member] | Furniture, fixtures and equipment [Member]
Significant Accounting Policies [Line Items]
Estimated useful life	25 years
Single-Family Residential [Member]
Significant Accounting Policies [Line Items]
Collateral pledged for advances	$ 292,558	203,627
Allowance for loans and leases	$ 3,914	3,348	1,299	948
Single-Family Residential [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Lending amount up to the percentage of collateral	80.00%
Multi-Family Residential [Member]
Significant Accounting Policies [Line Items]
Collateral pledged for advances	$ 43,021	21,650
Allowance for loans and leases	$ 997	827	467	447
Multi-Family Residential [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Fixed rates loans limit, period	3 years
Multi-Family Residential [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Lending amount up to the percentage of collateral	85.00%
Fixed rates loans limit, period	5 years
Commercial Real Estate [Member]
Significant Accounting Policies [Line Items]
Collateral pledged for advances	$ 12,938	9,801
Allowance for loans and leases	$ 3,384	5,034	9,184	2,604
Commercial Real Estate [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Fixed rates loans limit, period	3 years
Commercial Real Estate [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Lending amount up to the percentage of collateral	85.00%
Fixed rates loans limit, period	5 years
Construction [Member]
Significant Accounting Policies [Line Items]
Allowance for loans and leases	$ 2,644	$ 1,744	$ 2,254	$ 759
Construction [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Lending amount up to the percentage of collateral	80.00%
Maturity of construction loans convert to permanent loans	30 years