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SECURITIES - Contractual maturities of debt securities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 8,031 |
Due after one but within five years | 45,010 |
Due after five but within ten years | 88,684 |
Due after ten years | 407,323 |
Total of securities having specified maturity period | 549,048 |
Mortgage-backed securities and collateralized mortgage obligations | 949,578 |
Amortized Cost | 1,498,626 | $ 1,339,570
Fair Value |  |
Due in one year or less | 7,984 |
Due after one but within five years | 43,566 |
Due after five but within ten years | 83,055 |
Due after ten years | 362,466 |
Total of securities having specified maturities period | 497,071 |
Mortgage-backed securities and collateralized mortgage obligations | 833,410 |
TOTAL | 1,330,481 | 1,359,514
TOTAL | $ 1,330,481 | $ 1,359,514

X
- Definition Amount of available-for-sale debt securities at cost, net of adjustments, that have a single maturity date and which the entity has decided to disclose separately rather than allocating the cost over several maturity groupings. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References No definition available. + Details
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