v3.25.4
Loans and Allowance for Credit Losses - Summary of Loans by Major Category (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Sep. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Mar. 31, 2024
Financing Receivable, Past Due [Line Items]            
Total loans $ 430,308   $ 402,215      
Allowance for credit losses (5,586) $ (5,523) (5,441) $ (5,915) $ (5,858) $ (5,860)
Net deferred origination costs & fees (65)   (18)      
Loans, net 424,657   396,756      
Real Estate | Construction            
Financing Receivable, Past Due [Line Items]            
Total loans 25,062   15,069      
Allowance for credit losses (285) (285) (246) (287) (289) (246)
Real Estate | Commercial            
Financing Receivable, Past Due [Line Items]            
Total loans 129,128   120,184      
Allowance for credit losses (1,688) (1,688) (1,572) (2,083) (2,023) (2,245)
Real Estate | Residential            
Financing Receivable, Past Due [Line Items]            
Total loans 161,228   161,144      
Allowance for credit losses (1,800) (1,800) (1,926) (1,868) (1,876) (1,829)
Commercial | Non-Real Estate            
Financing Receivable, Past Due [Line Items]            
Total loans 44,834   32,007      
Allowance for credit losses (795) (795) (667) (644) (658) (759)
Agriculture            
Financing Receivable, Past Due [Line Items]            
Total loans 44,520   42,835      
Allowance for credit losses (559) (559) (476) (488) (406) (228)
Other Consumer            
Financing Receivable, Past Due [Line Items]            
Total loans 11,381   14,649      
Allowance for credit losses (168) (168) (262) (295) (370) (327)
Land Development and Sanitary & Improvement Districts (SIDs)            
Financing Receivable, Past Due [Line Items]            
Total loans 14,155   16,327      
Allowance for credit losses $ (291) $ (228) $ (292) $ (250) $ (236) $ (226)