Recently Issued Accounting Pronouncements (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023	Jan. 01, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity	$ 159,235,000	$ 158,715,000		$ 160,360,000	$ 157,890,000	$ 156,896,000	$ 157,879,000
Loans receivable, allowance	15,306,000			15,227,000
Writeoff	22,000
Residential Portfolio Segment | One-to-four family residential
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Writeoff	0
Consumer | Consumer Loan [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Writeoff		22,000
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity	$ 96,206,000	$ 95,896,000		95,059,000	$ 92,928,000	$ 90,066,000	$ 86,162,000
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity				(395,000)
Loans receivable, allowance			$ 500,000
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity			$ 395,000	$ 395,000