v3.26.1
BORROWING ARRANGEMENTS (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2018
Subordinated Debt [Member] | Subordinated Debt Securities Issued in December 2018 [Member]      
BORROWING ARRANGEMENTS [Abstract]      
Debt instrument, face amount     $ 14.1
Debt instrument, maturity date Dec. 31, 2030    
Debt instrument, weighted average interest rate     6.41%
Debt instrument, period of fixed interest rate 7 years    
Debt instrument, variable interest rate, floor 4.00%    
Debt instrument, variable interest rate, ceiling 7.50%    
Subordinated Debt [Member] | Subordinated Debt Securities Issued in September 29, 2020 [Member]      
BORROWING ARRANGEMENTS [Abstract]      
Debt instrument, face amount $ 14.1 $ 14.1  
Maximum [Member] | Subordinated Debt [Member] | Subordinated Debt Securities Issued in December 2018 [Member]      
BORROWING ARRANGEMENTS [Abstract]      
Remaining maturity period during which debt can be called 5 years    
Federal Home Loan Bank of Dallas [Member] | City Bank [Member] | Federal Home Loan Bank Advance [Member]      
BORROWING ARRANGEMENTS [Abstract]      
Original amount of advances $ 0.0 $ 0.0