Loans Held for Investment - Schedule of Components of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	$ 746,593	$ 744,935
Undisbursed portion of mortgage loans	(152)	(145)
Net deferred loan costs (fees)	(918)	(834)
Less: allowance for credit losses	(6,814)	(6,289)	$ (6,244)
Loans held for investment, net	738,709	737,667
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	17,624
Home Equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	112,807	112,404
Less: allowance for credit losses	(1,045)	(810)	$ (1,224)
Residential mortgage loans (1-4 family)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	235,081	268,801
Residential mortgage loans (1-4 family) \| Fixed
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	92,797	93,595
Residential mortgage loans (1-4 family) \| Variable
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	124,660	137,148
Residential mortgage loans (1-4 family) \| Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	17,624	38,058
Commercial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	369,396	340,943
Commercial loans \| Real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	273,058	248,744
Commercial loans \| Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	96,338	92,199
Consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	142,116	135,191
Consumer loans \| Home Equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	112,807	112,404
Consumer loans \| Other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans held for investment	$ 29,309	$ 22,787