Loans and Allowance for Credit Losses - Changes in the Allowance (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 1,056,796	$ 909,357
Provision for Credit Loss	85,250	145,039
Charge-offs	(21,443)	(22,833)
Recoveries	5,819	25,233
Ending Balance	1,126,422	1,056,796
Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	0
Ending Balance		0
Real estate \| One to four family residential
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	654,754	407,598
Provision for Credit Loss	(15,176)	83,026
Charge-offs	0	0
Recoveries	0	0
Ending Balance	639,578	654,754
Real estate \| One to four family residential \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	164,130
Ending Balance		164,130
Real estate \| Home equity
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	11,045	3,406
Provision for Credit Loss	(25)	5,161
Charge-offs	0	0
Recoveries	0	0
Ending Balance	11,020	11,045
Real estate \| Home equity \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,478
Ending Balance		2,478
Real estate \| Equity line of credit
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	22,193	13,105
Provision for Credit Loss	6,441	2,497
Charge-offs	0	0
Recoveries	0	0
Ending Balance	28,634	22,193
Real estate \| Equity line of credit \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	6,591
Ending Balance		6,591
Real estate \| Construction
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	21,293	3,715
Provision for Credit Loss	52,151	15,123
Charge-offs	0	0
Recoveries	0	0
Ending Balance	73,444	21,293
Real estate \| Construction \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,455
Ending Balance		2,455
Real estate \| Multi-family
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	7,948	6,519
Provision for Credit Loss	(1,697)	(3,312)
Charge-offs	0	0
Recoveries	0	0
Ending Balance	6,251	7,948
Real estate \| Multi-family \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	4,741
Ending Balance		4,741
Real estate \| Commercial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	26,323	10,711
Provision for Credit Loss	4,301	(15,996)
Charge-offs	0	0
Recoveries	0	0
Ending Balance	30,624	26,323
Real estate \| Commercial \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	31,608
Ending Balance		31,608
Commercial installment \| Commercial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	44,972	9,516
Provision for Credit Loss	(2,343)	220
Charge-offs	0	0
Recoveries	0	0
Ending Balance	42,629	44,972
Commercial installment \| Commercial \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	35,236
Ending Balance		35,236
Consumer \| Marine and recreational
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	241,624	402,074
Provision for Credit Loss	27,462	58,132
Charge-offs	(9,889)	0
Recoveries	0	0
Ending Balance	259,197	241,624
Consumer \| Marine and recreational \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	(218,582)
Ending Balance		(218,582)
Consumer \| Other consumer
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	26,644	52,713
Provision for Credit Loss	14,136	188
Charge-offs	(11,554)	(22,833)
Recoveries	5,819	25,233
Ending Balance	35,045	26,644
Consumer \| Other consumer \| Impact of Adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ (28,657)
Ending Balance		$ (28,657)

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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