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No definition available.

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Loans and Allowance for Credit Losses - Loan Aging Schedule (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025	Dec. 31, 2024
Loans and Allowance for Credit Losses
Total Loans	$ 186,278,111	$ 190,713,722
Nonaccrual	26,372	301,838	$ 12,704
Nonaccrual with an ACL	0	0
Current Loans
Loans and Allowance for Credit Losses
Total Loans	184,110,334	189,084,341
Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	2,141,405	1,327,543
Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| One to four family residential
Loans and Allowance for Credit Losses
Total Loans	125,089,382	129,672,893
Nonaccrual	0	294,557	0
Nonaccrual with an ACL	0	0
Real estate \| One to four family residential \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	123,254,273	128,279,630
Real estate \| One to four family residential \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	1,835,109	1,098,706
Real estate \| One to four family residential \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Home equity
Loans and Allowance for Credit Losses
Total Loans	1,877,204	1,975,201
Nonaccrual	0	0	0
Nonaccrual with an ACL	0	0
Real estate \| Home equity \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	1,877,204	1,975,201
Real estate \| Home equity \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Home equity \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Equity line of credit
Loans and Allowance for Credit Losses
Total Loans	7,425,238	6,930,038
Nonaccrual	0	0	0
Nonaccrual with an ACL	0	0
Real estate \| Equity line of credit \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	7,425,238	6,930,038
Real estate \| Equity line of credit \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Equity line of credit \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Construction
Loans and Allowance for Credit Losses
Total Loans	12,080,543	12,175,080
Nonaccrual	0	0	0
Nonaccrual with an ACL	0	0
Real estate \| Construction \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	12,080,543	12,175,080
Real estate \| Construction \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Construction \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Multi-family
Loans and Allowance for Credit Losses
Total Loans	1,214,501	1,067,972
Nonaccrual	0	0	0
Nonaccrual with an ACL	0	0
Real estate \| Multi-family \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	1,214,501	1,067,972
Real estate \| Multi-family \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Multi-family \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Commercial
Loans and Allowance for Credit Losses
Total Loans	1,911,470	1,936,965
Nonaccrual	0	0	0
Nonaccrual with an ACL	0	0
Real estate \| Commercial \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	1,911,470	1,936,965
Real estate \| Commercial \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Real estate \| Commercial \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Commercial installment
Loans and Allowance for Credit Losses
Total Loans	3,852,579	3,505,245
Nonaccrual	0	0	0
Nonaccrual with an ACL	0	0
Commercial installment \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	3,852,579	3,505,245
Commercial installment \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Commercial installment \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Consumer \| Marine and recreational
Loans and Allowance for Credit Losses
Total Loans	30,018,988	30,242,927
Nonaccrual	20,153	0	0
Nonaccrual with an ACL	0	0
Consumer \| Marine and recreational \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	29,692,539	30,014,090
Consumer \| Marine and recreational \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	306,296	228,837
Consumer \| Marine and recreational \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Consumer \| Other consumer
Loans and Allowance for Credit Losses
Total Loans	2,808,206	3,207,401
Nonaccrual	6,219	7,281	$ 12,704
Nonaccrual with an ACL	0	0
Consumer \| Other consumer \| Current Loans
Loans and Allowance for Credit Losses
Total Loans	2,801,987	3,200,120
Consumer \| Other consumer \| Loans Past Due 31-89 Days
Loans and Allowance for Credit Losses
Total Loans	0	0
Consumer \| Other consumer \| Loans Past Due 90+ Days
Loans and Allowance for Credit Losses
Total Loans	$ 0	$ 0