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CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Components of OCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net unrealized gains (losses) arising during the period
Net of Tax	$ 22,101	$ (74,994)
Less: reclassification adjustment for gains (losses) realized in net income
Net of Tax	115	0
Other comprehensive income (loss)
Before Tax	29,766	(101,373)
Tax Effect	(7,780)	26,379
Total other comprehensive income/(loss)	21,986	(74,994)
Net unrealized holding (loss) on AFS securities
Net unrealized gains (losses) arising during the period
Before Tax	23,968	(101,373)
Tax Effect	(6,224)	26,379
Net of Tax	17,744	(74,994)
Less: reclassification adjustment for gains (losses) realized in net income
Before Tax	0	0
Tax Effect	0	0
Net of Tax	0	0
Other comprehensive income (loss)
Before Tax	23,968	(101,373)
Tax Effect	(6,224)	26,379
Total other comprehensive income/(loss)	17,744	(74,994)
Net unrealized (loss) on cash flow hedging derivatives
Net unrealized gains (losses) arising during the period
Before Tax	5,955	0
Tax Effect	(1,598)	0
Net of Tax	4,357	0
Less: reclassification adjustment for gains (losses) realized in net income
Before Tax	157	0
Tax Effect	(42)	0
Net of Tax	115	0
Other comprehensive income (loss)
Before Tax	5,798	0
Tax Effect	(1,556)	0
Total other comprehensive income/(loss)	$ 4,242	$ 0

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