v3.26.1
Loans and Allowance for Credit Losses - Schedule of Balances of Allowance for Credit Losses by Portfolio Segment (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance $ 1,034,193 $ 1,162,211 $ 1,162,211
Provision for (recovery of) credit losses 84,600 (1,000) 5,052
Charge-offs (218) (44,594) (195,959)
Recoveries 2,426 9,243 62,889
Allowance for credit losses, ending balance 1,121,001 1,125,860 1,034,193
Allowance for credit losses including unfunded commitments, beginning balance 1,093,480 1,185,161 1,185,161
Provision for (recovery of) credit losses 72,800 0 41,389
Charge-offs (218) (44,594) (195,959)
Recoveries 2,426 9,243 62,889
Allowance for credit losses including unfunded commitments, ending balance 1,168,488 1,149,810 1,093,480
1-4 Family, including Construction      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 312,091 471,164 471,164
Provision for (recovery of) credit losses 8,081 (4,463) (43,872)
Charge-offs   (12,805) (115,201)
Allowance for credit losses, ending balance 320,172 453,896 312,091
Multifamily      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 7,613 10,150 10,150
Provision for (recovery of) credit losses (216) (1,540) (2,537)
Allowance for credit losses, ending balance 7,397 8,610 7,613
Commercial      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 363,132 452,406 452,406
Provision for (recovery of) credit losses 53,621 (15,818) (74,319)
Charge-offs (16) (3,354) (43,612)
Recoveries 2,126   28,657
Allowance for credit losses, ending balance 418,863 433,234 363,132
Construction and Development      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 88,647 24,529 24,529
Provision for (recovery of) credit losses 45,944 13,134 64,118
Allowance for credit losses, ending balance 134,591 37,663 88,647
Farmland      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 5,936 6,838 6,838
Provision for (recovery of) credit losses 631 (1,202) (902)
Allowance for credit losses, ending balance 6,567 5,636 5,936
Consumer      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 88,032 90,013 90,013
Provision for (recovery of) credit losses (12,281) 17,609 26,809
Charge-offs (202) (28,435) (30,072)
Recoveries 300   1,282
Allowance for credit losses, ending balance 75,849 79,187 88,032
Commercial and Industrial      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 168,742 107,111 107,111
Provision for (recovery of) credit losses (11,180) (8,720) 35,755
Charge-offs   0 (7,074)
Recoveries 0 9,243 32,950
Allowance for credit losses, ending balance 157,562 107,634 168,742
Unfunded Commitments      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Allowance for credit losses, beginning balance 59,287 22,950 22,950
Provision for (recovery of) credit losses (11,800) 1,000 36,337
Allowance for credit losses, ending balance $ 47,487 $ 23,950 $ 59,287