CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Components of OCI (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Net unrealized gain arising during the period
Before Tax	$ 246		$ (1,537)		$ 837	$ (2,985)
Other comprehensive (loss) income
Before Tax	(5,736)		(25,406)		1,037	(56,131)
Tax Effect	1,323		5,790		(261)	12,857
Total other comprehensive (loss) income	(4,413)	$ 5,189	(19,616)	$ (23,658)	776	(43,274)
Net unrealized gain (loss) on AFS securities:
Net unrealized gain arising during the period
Before Tax	(6,057)		(23,409)		(17)	(52,244)
Tax Effect	1,396		5,330		(18)	11,962
Net of Tax	(4,661)		(18,079)		(35)	(40,282)
Less: reclassification adjustment for gains (losses) realized in net income
Before Tax					34	9
Tax Effect					(8)	(2)
Net of Tax					26	7
Other comprehensive (loss) income
Before Tax	(6,057)		(23,409)		(51)	(52,253)
Tax Effect	1,396		5,330		(10)	11,964
Total other comprehensive (loss) income	(4,661)		(18,079)		(61)	(40,289)
Net gain (loss) on effective cash flow hedging derivatives
Net unrealized gain arising during the period
Before Tax	321		(1,997)		1,088	(3,878)
Tax Effect	(73)		460		(251)	893
Net of Tax	248		(1,537)		837	(2,985)
Other comprehensive (loss) income
Before Tax	321		(1,997)		1,088	(3,878)
Tax Effect	(73)		460		(251)	893
Total other comprehensive (loss) income	$ 248		$ (1,537)		$ 837	$ (2,985)