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INVESTMENT SECURITIES - Additional Information (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
INVESTMENT SECURITIES |  |  |
Fair value of debt securities reported less than their historical cost | $ 467,700,000 |  | $ 472,000,000.0
Debt securities reported less than their historical cost percent of investment portfolio | 94.80% |  | 96.20%
Held-to-maturity securities | $ 200,427,000 |  | $ 202,495,000
Total fair value of held-to-maturity | 179,853,000 |  | $ 177,765,000
Available for sale securities sold | 0 | $ 4,900,000 |
Available-for-sale securities, recognized gain |  | $ 7,000 |
Allowance for credit losses on securities | $ 0 |  |

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