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Loans Receivable - Schedule of Portfolio Loans, Net of Deferred Costs and Fees (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 751,573		$ 737,760
Loans, Percent	100.00%		100.00%
Allowance for credit losses	$ (9,159)	$ (8,888)	$ (8,522)	$ (8,547)	$ (8,506)	$ (8,554)
Net loans	742,414		729,238
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 703,422		$ 694,892
Loans, Percent	93.59%		94.20%
Allowance for credit losses	$ (8,071)	(7,819)	$ (7,712)	(7,854)	(7,797)	(7,997)
Real Estate | One To Four Family - Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 152,524		$ 141,867
Loans, Percent	20.29%		19.23%
Allowance for credit losses	$ (2,211)	(1,647)	$ (1,858)	(1,627)	(1,697)	(1,728)
Real Estate | One To Four Family - Non Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 94,469		$ 99,824
Loans, Percent	12.57%		13.53%
Allowance for credit losses	$ (667)	(617)	$ (742)	(1,002)	(1,015)	(1,030)
Real Estate | Commercial Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 81,905		$ 82,614
Loans, Percent	10.90%		11.20%
Allowance for credit losses	$ (495)	(495)	$ (511)	(514)	(578)	(563)
Real Estate | Commercial Investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 328,212		$ 328,680
Loans, Percent	43.67%		44.56%
Allowance for credit losses	$ (3,733)	(4,032)	$ (3,592)	(3,709)	(3,570)	(3,725)
Real Estate | Construction and Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 34,893		$ 30,578
Loans, Percent	4.64%		4.14%
Allowance for credit losses	$ (868)	(955)	$ (940)	(745)	(763)	(772)
Real Estate | Farm Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 11,419		$ 11,329
Loans, Percent	1.52%		1.54%
Allowance for credit losses	$ (97)	(73)	$ (69)	(257)	(174)	(179)
Consumer and Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 48,151		$ 42,868
Loans, Percent	6.41%		5.80%
Allowance for credit losses	$ (1,088)	(1,069)	$ (810)	(693)	(709)	(557)
Consumer and Commercial | Guaranteed By U.S. Government
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 2,265		$ 2,902
Loans, Percent	0.30%		0.39%
Consumer and Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 29,751		$ 23,194
Loans, Percent	3.96%		3.14%
Allowance for credit losses	$ (718)	(673)	$ (411)	(259)	(281)	(154)
Consumer and Commercial | Marine and Other Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, Amount	$ 16,135		$ 16,772
Loans, Percent	2.15%		2.27%
Allowance for credit losses	$ (370)	$ (396)	$ (399)	$ (434)	$ (428)	$ (403)

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Percentage, before allowance for credit loss, of financing receivable to total financing receivable.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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