LEASE COMMITMENTS - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Components of lease expense:
Operating lease cost	$ 23,040	$ 23,968
Finance lease cost:
Amortization of right-of-use assets	4,228	3,982
Interest on lease liabilities	1,360	1,414
Total finance lease cost	5,588	5,396
Short-term lease and variable lease costs	$ 12,259	$ 9,421