INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Allowance for credit losses on loans and unfunded commitments	$ 22,448	$ 22,685
Deferred loan fees	62	62
Deferred compensation	2,493	2,636
Loans and securities purchase accounting adjustments	22,452	40,239
Net unrealized loss on available for sale securities	31,388	38,080
Other deferred assets	1,966	393
Total deferred tax assets	80,809	104,095
Deferred tax liabilities:
Core deposit intangible and other purchase accounting adjustments	(24,982)	(30,591)
Premises and equipment basis difference	(3,311)	(4,004)
Total deferred tax liabilities	(28,293)	(34,595)
Net deferred tax assets	$ 52,516	$ 69,500