LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 11,771	$ 11,662
Operating cash flows from finance leases	716	704
Financing cash flows from finance leases	2,337	2,545
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	4,739	11,371
Finance leases	$ 4,792	$ 3,127