v3.26.1
Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details)
3 Months Ended
Jul. 31, 2025
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
Segment
$ / shares
shares
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Organization Consolidation And Presentation Of Financial Statements [Line Items]        
Ownership percentage 100.00%      
Shares sold | shares 889,781 889,781   889,781
Shares sold per share | $ / shares $ 10 $ 0.01   $ 0.01
Gross offering proceeds $ 8,897,810      
Cost of the conversion and issuance of common stock $ 1,550,000      
Securities held-to-maturity or held for trading   $ 0   $ 0
Credit-related impairments on debt securities   0 $ 0  
Loans held for sale   160,000   0
Allowance for credit losses on available-for-sale securities   0   0
Accrued interest receivable on available-for-sale securities   191,000   210,000
Accrued interest receivable on loans   $ 556,000   $ 503,000
Number of operating segments | Segment   1    
Number of reportable segments | Segment   1    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]   srt:PresidentMember    
Segment Reporting, Expense Information Used by CODM, Description   The CODM uses net income to evaluate income generated from segment assets (return on average assets) in deciding whether to reinvest profits into the commercial banking segment. Net income is also used by the CODM to monitor budget versus actual results.    
Employee Stock Ownership Plan [Member]        
Organization Consolidation And Presentation Of Financial Statements [Line Items]        
Shares sold | shares 62,285      
Percentage of common stock issued 7.00%      
Net proceeds from the offering $ 6,200,000      
Net proceeds to the ESOP 622,850 $ 622,850    
Amount retained of net proceeds $ 479,000