LEASES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Right-of-Use Asset	$ 280,389		$ 280,340
Operating Lease, Liability, Current	41,571		38,836
Operating Lease, Liability, Noncurrent	267,043		269,062
Finance Lease, Right-of-Use Asset	93,552		70,339
Finance Lease, Liability, Current	30,845		22,017
Finance Lease, Liability, Noncurrent	60,549		$ 47,403
Operating Lease Expense, Net	15,004	$ 15,278
Finance Lease, Right-of-Use Asset, Amortization	4,460	1,562
Finance Lease, Interest Expense	1,027	358
Finance Lease, Cost	5,487	1,920
Finance And Operating Lease, Lessee Expense	20,491	17,198
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	12,875	4,193
Finance Lease, Interest Payment on Liability	1,027	358
Operating Lease, Payments	$ 16,659	$ 16,482
Operating Lease, Weighted Average Remaining Lease Term	9 years 3 months 18 days	8 years 10 months 24 days
Finance Lease, Weighted Average Remaining Lease Term	3 years 1 month 6 days	4 years 9 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	5.90%	6.25%
Finance Lease, Weighted Average Discount Rate, Percent	5.50%	5.82%