v3.26.1
INVESTMENT SECURITIES - Additional information (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
INVESTMENT SECURITIES      
Proceeds from the sale of investment securities $ 0 $ 0  
Gross realized gains or losses on sales of investment securities 0 $ 0  
Available for sale with amortized cost 201,461   $ 180,283
Available for sale, at estimated fair value 175,890   154,768
Asset Pledged as Collateral | Government public funds held by the bank      
INVESTMENT SECURITIES      
Available for sale with amortized cost 25,900   26,400
Available for sale, at estimated fair value 21,600   22,200
Asset Pledged as Collateral | FHLB and FRB Borrowing Arrangements      
INVESTMENT SECURITIES      
Available for sale with amortized cost 48,500   49,200
Available for sale, at estimated fair value $ 40,200   $ 41,000