LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 17,310	$ 17,060
Operating cash flows from finance leases	1,052	1,089
Financing cash flows from finance leases	3,392	3,678
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	6,890	19,255
Finance leases	$ 5,707	$ 3,356