v3.26.1
Loans and Allowance for Credit Losses - By Major Category (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Loans and Allowance for Credit Losses        
Loans, gross $ 186,278,111 $ 190,713,722    
Allowance for credit losses (1,166,431) (1,142,629) $ (1,190,255) $ (1,126,422)
Unearned loan fees (147,498) (155,572)    
Loans, net 184,964,182 189,415,521    
Real estate | One to four family residential        
Loans and Allowance for Credit Losses        
Loans, gross 125,089,382 129,672,893    
Allowance for credit losses (605,128) (601,094) (739,393) (639,578)
Real estate | Home equity        
Loans and Allowance for Credit Losses        
Loans, gross 1,877,204 1,975,201    
Allowance for credit losses (9,081) (9,156) (12,660) (11,020)
Real estate | Equity line of credit        
Loans and Allowance for Credit Losses        
Loans, gross 7,425,238 6,930,038    
Allowance for credit losses (35,920) (32,124) (33,051) (28,634)
Real estate | Construction        
Loans and Allowance for Credit Losses        
Loans, gross 12,080,543 12,175,080    
Allowance for credit losses (136,336) (136,781) (99,470) (73,444)
Real estate | Multi-family        
Loans and Allowance for Credit Losses        
Loans, gross 1,214,501 1,067,972    
Allowance for credit losses (5,875) (4,951) (7,827) (6,251)
Real estate | Commercial        
Loans and Allowance for Credit Losses        
Loans, gross 1,911,470 1,936,965    
Allowance for credit losses (20,312) (19,727) (24,803) (30,624)
Commercial installment        
Loans and Allowance for Credit Losses        
Loans, gross 3,852,579 3,505,245    
Commercial installment | Commercial        
Loans and Allowance for Credit Losses        
Allowance for credit losses (49,882) (35,804) (38,567) (42,629)
Consumer | Marine and recreational        
Loans and Allowance for Credit Losses        
Loans, gross 30,018,988 30,242,927    
Allowance for credit losses (280,267) (277,395) (207,041) (259,197)
Consumer | Other consumer        
Loans and Allowance for Credit Losses        
Loans, gross 2,808,206 3,207,401    
Allowance for credit losses $ (23,630) $ (25,597) $ (27,443) $ (35,045)