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INVESTMENT SECURITIES - Available for sale securities (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | $ 539,157 | $ 553,214
Gross Unrealized Gains | 207 | 119
Gross Unrealized Losses | 62,453 | 62,741
Fair Value | 476,911 | 490,592
Agency mortgage-backed securities |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 319,237 | 327,266
Gross Unrealized Losses | 40,743 | 40,784
Fair Value | 278,494 | 286,482
Agency collateralized mortgage obligations |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 87,777 | 90,205
Gross Unrealized Losses | 11,277 | 11,731
Fair Value | 76,500 | 78,474
States and political subdivisions securities |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 59,403 | 60,667
Gross Unrealized Gains | 207 | 119
Gross Unrealized Losses | 2,887 | 3,291
Fair Value | 56,723 | 57,495
Small Business Administration securities |  |
AVAILABLE-FOR-SALE SECURITIES: |  |
Amortized Cost | 72,740 | 75,076
Gross Unrealized Losses | 7,546 | 6,935
Fair Value | $ 65,194 | $ 68,141

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