Loans and Allowance for Credit Losses - Schedule of Categories of Loans (Details) - USD ($)	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 137,743,658		$ 119,055,480
Allowance for credit losses	(1,166,219)	$ (1,121,001)	(1,034,193)	$ (1,149,087)	$ (1,125,860)	$ (1,162,211)
Deferred loan fees, net	(288,138)		(244,030)
Unearned dealer interest	33,297		39,260
Loans, net	136,322,598		117,816,517
1-4 Family, including Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	41,669,345		35,146,513
Allowance for credit losses	(351,334)	(320,172)	(312,091)	(443,328)	(453,896)	(471,164)
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	4,927,066		4,023,910
Allowance for credit losses	(17,452)	(7,397)	(7,613)	(8,355)	(8,610)	(10,150)
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	60,729,639		54,409,430
Allowance for credit losses	(406,534)	(418,863)	(363,132)	(417,689)	(433,234)	(452,406)
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	4,472,242		4,063,650
Allowance for credit losses	(90,164)	(134,591)	(88,647)	(91,189)	(37,663)	(24,529)
Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	4,341,940		4,386,528
Allowance for credit losses	(6,089)	(6,567)	(5,936)	(6,976)	(5,636)	(6,838)
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,340,176		4,470,587
Allowance for credit losses	(80,590)	(75,849)	(88,032)	(74,750)	(79,187)	(90,013)
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	16,263,250		12,554,862
Allowance for credit losses	$ (214,056)	$ (157,562)	$ (168,742)	$ (106,800)	$ (107,634)	$ (107,111)