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SECURITIES AVAILABLE FOR SALE - Summary of Available-for-Sale debt securities (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) loan | Sep. 30, 2024 USD ($)
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SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | $ 650,791 | $ 583,316 |
Gross Unrealized Gains | 3,223 | 5,954 |
Gross Unrealized Losses | (56,204) | (68,252) |
Fair value | 597,810 | 521,018 |
Allowance |  | $ (568) | $ 0
Allowance for credit losses, number of corporate notes | loan |  | 2 |
Obligations of states and political subdivisions thereof |  |  |
SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | 120,775 | $ 116,421 |
Gross Unrealized Gains | 3 | 5,564 |
Gross Unrealized Losses | (18,155) | (16,533) |
Fair value | 102,623 | 105,452 |
Corporate bond |  |  |
SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | 89,738 | 100,923 |
Gross Unrealized Gains | 222 | 290 |
Gross Unrealized Losses | (3,253) | (7,761) |
Fair value | 86,707 | 93,452 |
Allowance |  | (568) |
Debt securities | Obligations of US Government-sponsored enterprises |  |  |
SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | 1,139 | 1,344 |
Gross Unrealized Losses | (15) | (26) |
Fair value | 1,124 | 1,318 |
Mortgage-backed securities and collateralized mortgage obligations | US Government-sponsored enterprises |  |  |
SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | 276,037 | 208,818 |
Gross Unrealized Gains | 2,680 | 22 |
Gross Unrealized Losses | (23,778) | (31,524) |
Fair value | 254,939 | 177,316 |
Mortgage-backed securities and collateralized mortgage obligations | US Government agency |  |  |
SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | 151,116 | 115,177 |
Gross Unrealized Gains | 309 | 53 |
Gross Unrealized Losses | (10,134) | (11,314) |
Fair value | 141,291 | 103,916 |
Mortgage-backed securities and collateralized mortgage obligations | Private label |  |  |
SECURITIES AVAILABLE FOR SALE |  |  |
Amortized Cost | 11,986 | 40,633 |
Gross Unrealized Gains | 9 | 25 |
Gross Unrealized Losses | (869) | (1,094) |
Fair value | $ 11,126 | $ 39,564 |

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