ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME - Components of AOCL (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (24,260)	$ 6,305	$ 9,629
Transfer from AFS to HTM		0	0
Unrealized gains (losses) arising during the period	(822)	(34,213)	(7,385)
Tax effect	(59)	4,197	3,595
Amounts reclassified from accumulated other comprehensive loss	(181)	(549)	466
Total other comprehensive loss	(1,062)	(30,565)	(3,324)
Ending Balance	(25,322)	(24,260)	6,305
Available-for-sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(18,400)	(2,744)	10,780
Transfer from AFS to HTM		13,186	(10,235)
Unrealized gains (losses) arising during the period	282	(33,175)	(6,884)
Tax effect	(59)	4,197	3,595
Amounts reclassified from accumulated other comprehensive loss	(181)	136	0
Total other comprehensive loss	42	(15,656)	(13,524)
Ending Balance	(18,358)	(18,400)	(2,744)
Held-to-maturity Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5,860)	8,861	0
Transfer from AFS to HTM		(13,186)	10,235
Unrealized gains (losses) arising during the period	(1,104)	(1,535)	(1,374)
Tax effect	0	0	0
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Total other comprehensive loss	(1,104)	(14,721)	8,861
Ending Balance	(6,964)	(5,860)	8,861
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0	188	(1,151)
Transfer from AFS to HTM		0
Unrealized gains (losses) arising during the period	0	497	873
Tax effect	0	0	0
Amounts reclassified from accumulated other comprehensive loss	0	(685)	466
Total other comprehensive loss	0	(188)	1,339
Ending Balance	$ 0	$ 0	$ 188