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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Significant Accounting Policies [Line Items] |  |  |
Cash exceeded federally insured limits | $ 229,100 |  |
Cash held, not federally insured | 225,100 |  |
Income recognized on joint ventures | $ 224 | $ 172 | $ 224
Tax benefit greater than being realized on examination | 50.00% |  |
Collateral pledged for advances | $ 393,918 | 356,828 |
Investment | 2,097 | $ 2,097 |
Maximum exposure to loss related to investments | 2,097 |  |
Provision for credit losses-unfunded commitments | $ 459 |  |
Anti-dilutive securities | 0 | 0 | 0
Due from Joint Ventures | $ 1,909 | $ 1,568 |
Interest-bearing deposits in other financial institutions | $ 100 | 100 |
ASU 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Provision for credit losses-unfunded commitments |  |  | $ 49
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 | $ 305,283 | 292,558 |
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 | $ 63,024 | 43,021 |
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 |  |
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 |  |
Home Equity Lines Of Credit [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Collateral pledged for advances | $ 4,057 | 4,007 |
Commercial Real Estate [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Fixed rates loans limit, period | 3 years |  |
Collateral pledged for advances | $ 17,757 | 12,938 |
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 |  |
Cash [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Collateral pledged for advances | $ 3,300 | $ 3,300 |

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