v3.26.1
Disclosures About Fair Value of Assets and Liabilities - Schedule of Estimated Fair Values of Financial Instruments (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost $ 92,890,027 $ 94,455,878
Financial Liabilities    
Time Deposits 503,407,575 487,032,489
U.S. Government and federal agency [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 41,893,800 41,878,600
U.S. Government-sponsored enterprises (GSEs) [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 13,308,535
State and political subdivisions [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 3,695,841 3,744,446
Carrying amounts [Member]    
Financial assets    
Cash and cash equivalents 168,394,594 144,318,929
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 96,386,942 97,728,121
Loans Receivable 1,873,845,370 1,855,434,066
Interest rate swaps 14,508,980 14,130,763
Financial Liabilities    
Time Deposits 503,407,575 487,032,489
Long-Term borrowings 73,180,526 78,587,361
Short-Term borrowings 45,067,842 88,251,290
Carrying amounts [Member] | U.S. Government and federal agency [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 42,598,382 42,681,410
Carrying amounts [Member] | U.S. Government-sponsored enterprises (GSEs) [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 13,663,836 13,599,444
Carrying amounts [Member] | Mortgage-backed: GSE residential [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 36,216,636 37,534,375
Carrying amounts [Member] | State and political subdivisions [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 3,908,088 3,912,892
Carrying amounts [Member] | Level 1 [Member]    
Financial assets    
Cash and cash equivalents 168,394,594 144,318,929
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Loans Receivable
Interest rate swaps
Financial Liabilities    
Time Deposits
Long-Term borrowings
Short-Term borrowings 45,067,842 88,251,290
Carrying amounts [Member] | Level 1 [Member] | U.S. Government and federal agency [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 1 [Member] | U.S. Government-sponsored enterprises (GSEs) [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 1 [Member] | Mortgage-backed: GSE residential [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 1 [Member] | State and political subdivisions [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 2 [Member]    
Financial assets    
Cash and cash equivalents
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 92,890,027 94,455,878
Loans Receivable
Interest rate swaps 14,508,980 14,130,763
Financial Liabilities    
Time Deposits 500,781,000 485,172,000
Long-Term borrowings 70,819,112 77,385,800
Short-Term borrowings
Carrying amounts [Member] | Level 2 [Member] | U.S. Government and federal agency [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 41,893,800 41,878,600
Carrying amounts [Member] | Level 2 [Member] | U.S. Government-sponsored enterprises (GSEs) [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 13,361,203 13,308,535
Carrying amounts [Member] | Level 2 [Member] | Mortgage-backed: GSE residential [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 33,939,183 35,524,297
Carrying amounts [Member] | Level 2 [Member] | State and political subdivisions [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 3,695,841 3,744,446
Carrying amounts [Member] | Level 3 [Member]    
Financial assets    
Cash and cash equivalents
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Loans Receivable 1,851,592,022 1,820,894,000
Interest rate swaps
Financial Liabilities    
Time Deposits
Long-Term borrowings
Short-Term borrowings
Carrying amounts [Member] | Level 3 [Member] | U.S. Government and federal agency [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 3 [Member] | U.S. Government-sponsored enterprises (GSEs) [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 3 [Member] | Mortgage-backed: GSE residential [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Carrying amounts [Member] | Level 3 [Member] | State and political subdivisions [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost
Estimated fair values [Member]    
Financial assets    
Cash and cash equivalents 168,394,594 144,318,929
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 92,890,027 94,455,878
Loans Receivable 1,851,592,022 1,820,894,000
Interest rate swaps 14,508,980 14,130,763
Financial Liabilities    
Time Deposits 500,781,000 485,172,000
Long-Term borrowings 70,819,112 77,385,800
Short-Term borrowings 45,067,842 88,251,290
Estimated fair values [Member] | U.S. Government and federal agency [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 41,893,800 41,878,600
Estimated fair values [Member] | U.S. Government-sponsored enterprises (GSEs) [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 13,361,203 13,308,535
Estimated fair values [Member] | Mortgage-backed: GSE residential [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost 33,939,183 35,524,297
Estimated fair values [Member] | State and political subdivisions [Member]    
Held-to-maturity securities    
Held-to-maturity securities, at amortized cost $ 3,695,841 $ 3,744,446