v3.26.1
Securities, Securities with Unrealized Losses, Securities Pledged as Collateral and Holdings of Securities by One Issuer in Amount Greater Than 10% of Stockholders' Equity (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Debt Securities Available-for-Sale [Abstract]    
Securities of any one issuer, other than U.S. Government, exceeding 10% of stockholders' equity $ 0 $ 0
Accrued interest receivable on securities $ 745 $ 796
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable Accrued interest receivable
Securities in nonaccrual status $ 0 $ 0
Securities purchased with deterioration in credit quality 0 0
Collateral dependent securities 0 0
Securities Sold under Agreements to Repurchase [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 83,700 83,300
D.C. Housing [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 7,700  
D.C. Government [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 4,200  
FRB Discount Window [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 157  
Asset Pledged as Collateral [Member] | Securities Sold under Agreements to Repurchase [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 83,700 83,300
Asset Pledged as Collateral [Member] | Public Deposits [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 0 0
U.S. Treasuries [Member] | Securities Sold under Agreements to Repurchase [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 5,000 46,500
Federal Agency Debt [Member] | Securities Sold under Agreements to Repurchase [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 9,300 27,100
Federal Agency Mortgage-backed Securities [Member] | Securities Sold under Agreements to Repurchase [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral 67,900 5,500
SBA Pools [Member] | Securities Sold under Agreements to Repurchase [Member]    
Debt Securities Available-for-Sale [Abstract]    
Securities pledged as collateral $ 1,500 $ 4,200