LEASES - Balance sheet information (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
LEASES [Abstract]
Right of use assets	$ 16,117	$ 16,526	$ 17,533
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets	Other assets
Lease liabilities	$ 17,180	$ 17,349	$ 18,033
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accrued Expenses and Other Liabilities	Accrued Expenses and Other Liabilities	Accrued Expenses and Other Liabilities