INTEREST EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest on long-term debt and other financing arrangements	$ 7,368	$ 16,209
Amortization of capitalized debt issuance costs	(874)	(1,609)
Total interest expense	8,242	17,818
Guarantee Fees Mandatory Paid in Cash [Member]
Interest paid, excluding capitalized interest, operating activities	$ 3,093	$ 4,883