LEASES - Other Lease Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Leases [Abstract]
Right-of-use assets acquired in exchange for operating lease obligations	$ 43,441
Cash Paid For Amounts Included In Measurement of Liabilities:
Operating cash flows from finance leases	746
Operating cash flows from operating leases	$ 32,481
Weighted Average Remaining Lease Term:
Operating leases	9 years 7 months 6 days
Finance leases	4 years 7 months 6 days
Weighted Average Discount Rate:
Operating leases	6.06%
Finance leases	5.86%