LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 5,755	$ 5,328
Operating cash flows from finance leases	349	369
Financing cash flows from finance leases	1,198	1,657
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	1,496	5,233
Finance leases	$ 47	$ 220