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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Amount of unamortized loan commitment, origination, and other costs (fees) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Loans and Allowance for Credit Losses - By Major Category (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans and Allowance for Credit Losses
Loans, gross	$ 191,207,216	$ 187,632,177
Allowance for credit losses	(1,190,255)	(1,126,422)	$ (1,047,507)	$ (1,056,796)
Unearned loan fees	(163,680)	(151,319)
Loans, net	189,853,281	186,354,436
Real estate \| One to four family residential
Loans and Allowance for Credit Losses
Loans, gross	131,573,882	130,077,444
Allowance for credit losses	(739,393)	(639,578)	(598,620)	(654,754)
Real estate \| Home equity
Loans and Allowance for Credit Losses
Loans, gross	2,252,877	2,241,326
Allowance for credit losses	(12,660)	(11,020)	(9,945)	(11,045)
Real estate \| Equity line of credit
Loans and Allowance for Credit Losses
Loans, gross	5,880,412	5,823,673
Allowance for credit losses	(33,051)	(28,634)	(21,449)	(22,193)
Real estate \| Construction
Loans and Allowance for Credit Losses
Loans, gross	9,137,794	6,755,376
Allowance for credit losses	(99,470)	(73,444)	(48,635)	(21,293)
Real estate \| Multi-family
Loans and Allowance for Credit Losses
Loans, gross	1,392,504	1,271,343
Allowance for credit losses	(7,827)	(6,251)	(7,157)	(7,948)
Real estate \| Commercial
Loans and Allowance for Credit Losses
Loans, gross	2,344,887	2,587,784
Allowance for credit losses	(24,803)	(30,624)	(22,154)	(26,323)
Commercial installment
Loans and Allowance for Credit Losses
Loans, gross	3,646,149	3,513,472
Commercial installment \| Commercial
Loans and Allowance for Credit Losses
Allowance for credit losses	(38,567)	(42,629)	(51,549)	(44,972)
Consumer \| Marine and recreational
Loans and Allowance for Credit Losses
Loans, gross	30,885,011	31,150,048
Allowance for credit losses	(207,041)	(259,197)	(255,235)	(241,624)
Consumer \| Other consumer
Loans and Allowance for Credit Losses
Loans, gross	4,093,700	4,211,711
Allowance for credit losses	$ (27,443)	$ (35,045)	$ (32,763)	$ (26,644)