LEASE COMMITMENTS (Lease Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Components of lease expense:
Operating lease expense	$ 7,611	$ 7,655
Less sublease income	292	493
Net lease expense	7,319	7,162
Operating cash outflow from operating leases	$ 7,053	$ 7,249