v3.26.1
Investment Securities - Additional information (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
position
security
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
position
security
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
security
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
INVESTMENT SECURITIES:                
Cash held in the account available for future security purchases $ (164,000)   $ (164,000)   $ 99,000      
Investment securities held to maturity, Allowance for credit losses 67,000 $ 85,000 67,000 $ 85,000 90,000 $ 83,000 $ 96,000 $ 89,000
Accrued interest receivable on held to maturity debt securities 452,000   452,000   384,000      
Held to maturity debt securities in non-accrual 0   0   0      
Available for sale securities, allowance for credit losses 30,000 1,000,000 30,000 1,000,000 0 34,000 1,000,000 360,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss $ 1,100,000   $ 1,100,000   $ 977,000      
Number of available for sale debt securities in non accrual status | security 1   1   0      
Available-for-Sale debt securities in non-accrual $ 500,000   $ 500,000          
Unpaid interest     50,000          
Proceeds from sale of investment securities - available for sale 0 0 0 0        
Book value of securities available for sale and held to maturity 150,500,000   $ 150,500,000   $ 142,700,000      
Premium percentage on mortgage backed securities purchased     100.60%          
The weighted average duration of the total investment securities portfolio     49 months 12 days   45 months 3 days      
Percentage of unrealized loss position for less than 12 months     1.30%          
Percentage of unrealized loss position for greater than 12 months     12.50%          
Unrealized loss on equity securities     $ 0          
Provision (Recovery) (4,000) 0 30,000 640,000        
Restricted shares carrying value 0   0   $ 0      
U.S. Agency                
INVESTMENT SECURITIES:                
Investment securities held to maturity, Allowance for credit losses $ 0   $ 0          
Unrealized loss position for greater than 12 months, Number of positions | position 6   6          
U.S. Agency mortgage-backed securities                
INVESTMENT SECURITIES:                
Investment securities held to maturity, Allowance for credit losses $ 0   $ 0          
Unrealized loss position for less than 12 months, Number of positions | position 44   44          
Unrealized loss position for greater than 12 months, Number of positions | position 121   121          
Municipal                
INVESTMENT SECURITIES:                
Investment securities held to maturity, Allowance for credit losses $ 1,000 2,000 $ 1,000 2,000 $ 1,000 1,000 1,000 2,000
Unrealized loss position for less than 12 months, Number of positions | position 10   10          
Unrealized loss position for greater than 12 months, Number of positions | position 13   13          
Corporate bonds                
INVESTMENT SECURITIES:                
Available for sale securities, allowance for credit losses $ 30,000 1,000,000 $ 30,000 1,000,000   $ 34,000 $ 1,000,000 $ 360,000
Unrealized loss position for less than 12 months, Number of positions | position 19   19          
Unrealized loss position for greater than 12 months, Number of positions | position 29   29          
Provision (Recovery) $ (4,000) $ 0 $ 30,000 $ 640,000        
Standard & Poor's, AAA Rating                
Investment Securities                
Portfolio rated 2.40%   2.40%   1.70%      
Standard & Poor's, AA Rating                
Investment Securities                
Portfolio rated 80.60%   80.60%   76.50%      
Securities rated below A                
Investment Securities                
Portfolio rated 11.80%   11.80%   13.50%      
Maximum                
INVESTMENT SECURITIES:                
The weighted average duration of the total investment securities portfolio     60 months