v3.26.1
Securities - Schedule of Amortized Cost and Approximate Fair Values, together with Gross Unrealized Gains and Losses, of Securities (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Available-for-sale securities:    
Available-for-sale securities, Amortized cost $ 39,475,300 $ 43,911,383
Available-for-sale securities, Gross unrealized gains 5,209 58,001
Available-for-sale securities, Gross unrealized losses (927,445) (832,712)
Available-for-sale securities, Fair Value 38,553,064 43,136,672
Held-to-maturity securities:    
Held-to-maturity securities, Amortized cost 94,342,911 97,728,121
Held-to-maturity securities, Gross unrealized gains 24,220 190,080
Held-to-maturity securities, Gross unrealized losses (3,355,159) (3,462,323)
Held-to-maturity securities, Fair Value 91,011,972 94,455,878
U.S. Government and federal agency [Member]    
Available-for-sale securities:    
Available-for-sale securities, Amortized cost 15,022,819 14,830,375
Available-for-sale securities, Gross unrealized gains
Available-for-sale securities, Gross unrealized losses (13,069)
Available-for-sale securities, Fair Value 15,009,750 14,830,375
Held-to-maturity securities:    
Held-to-maturity securities, Amortized cost 42,519,879 42,681,410
Held-to-maturity securities, Gross unrealized gains 2,286
Held-to-maturity securities, Gross unrealized losses (571,103) (805,096)
Held-to-maturity securities, Fair Value 41,948,876 41,878,600
U.S. Government-sponsored enterprises (GSEs) [Member]    
Available-for-sale securities:    
Available-for-sale securities, Amortized cost 1,832 5,395
Available-for-sale securities, Gross unrealized gains
Available-for-sale securities, Gross unrealized losses (9)
Available-for-sale securities, Fair Value 1,823 5,395
Held-to-maturity securities:    
Held-to-maturity securities, Amortized cost 13,728,209 13,599,444
Held-to-maturity securities, Gross unrealized gains
Held-to-maturity securities, Gross unrealized losses (276,071) (290,909)
Held-to-maturity securities, Fair Value 13,452,138 13,308,535
GSE residential [Member]    
Available-for-sale securities:    
Available-for-sale securities, Amortized cost 11,758,689 13,295,371
Available-for-sale securities, Gross unrealized gains 3,562 44,013
Available-for-sale securities, Gross unrealized losses (648,963) (552,361)
Available-for-sale securities, Fair Value 11,113,288 12,787,023
Held-to-maturity securities:    
Held-to-maturity securities, Amortized cost 34,191,493 37,534,375
Held-to-maturity securities, Gross unrealized gains 15,625 175,285
Held-to-maturity securities, Gross unrealized losses (2,317,310) (2,185,363)
Held-to-maturity securities, Fair Value 31,889,808 35,524,297
State and political subdivisions [Member]    
Available-for-sale securities:    
Available-for-sale securities, Amortized cost 12,691,960 15,780,242
Available-for-sale securities, Gross unrealized gains 1,647 13,988
Available-for-sale securities, Gross unrealized losses (265,404) (280,351)
Available-for-sale securities, Fair Value 12,428,203 15,513,879
Held-to-maturity securities:    
Held-to-maturity securities, Amortized cost 3,903,330 3,912,892
Held-to-maturity securities, Gross unrealized gains 8,595 12,509
Held-to-maturity securities, Gross unrealized losses (190,775) (180,955)
Held-to-maturity securities, Fair Value $ 3,721,150 $ 3,744,446