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INVESTMENT SECURITIES - Available for sale securities (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | $ 571,993 | $ 594,564
Gross Unrealized Gains | 1,770 | 138
Gross Unrealized Losses | 42,415 | 61,329
Fair Value | 531,348 | 533,373
Agency mortgage-backed securities |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 331,285 | 346,712
Gross Unrealized Gains | 668 | 69
Gross Unrealized Losses | 27,308 | 40,874
Fair Value | 304,645 | 305,907
Agency collateralized mortgage obligations |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 121,636 | 123,395
Gross Unrealized Gains | 927 |
Gross Unrealized Losses | 6,550 | 9,771
Fair Value | 116,013 | 113,624
States and political subdivisions securities |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 56,639 | 58,608
Gross Unrealized Gains | 156 | 69
Gross Unrealized Losses | 3,049 | 2,729
Fair Value | 53,746 | 55,948
Small Business Administration securities |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 62,433 | 65,849
Gross Unrealized Gains | 19 |
Gross Unrealized Losses | 5,508 | 7,955
Fair Value | $ 56,944 | $ 57,894

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