LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 2,441	$ 3,829	$ 10,461	$ 10,984
Operating cash flows from finance leases	133	159	399	478
Financing cash flows from finance leases	125	119	374	315
Discontinued Operations
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 200	$ 700	$ 900	$ 2,200