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INVESTMENT SECURITIES - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]      
Proceeds from sales of available for sale securities $ 0 $ 0  
Federal Reserve Bank      
Debt Securities, Available-for-Sale [Line Items]      
Long-term line of credit 0   $ 0
Mortgage-backed securities | MPF Credit Enhancement Fee      
Debt Securities, Available-for-Sale [Line Items]      
Available-for-sale security, restricted 480   506
Mortgage-backed securities | Asset Pledged as Collateral | Federal Reserve Bank      
Debt Securities, Available-for-Sale [Line Items]      
Available-for-sale security, restricted 33,594   33,994
Mortgage-backed securities | Asset Pledged as Collateral | Specific Municipal Deposits      
Debt Securities, Available-for-Sale [Line Items]      
Available-for-sale security, restricted 2,005   1,766
U.S. government agency obligations | Asset Pledged as Collateral | Specific Municipal Deposits      
Debt Securities, Available-for-Sale [Line Items]      
Available-for-sale security, restricted $ 297   $ 339