INTEREST EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest Expense, Debt	$ 20,484	$ 26,901	$ 42,805	$ 59,553
Amortization of capitalized debt issuance costs	(1,489)	(2,302)	(2,923)	(6,201)
Amortization of debt issuance discount	0	(342)	0	(12,945)
Total interest expense	21,973	29,545	45,728	78,699
Interest Paid, Net			21,173	35,712
Guarantee Fee [Member]
Interest Expense, Debt	$ 14,600	$ 19,800	31,000	28,900
Interest Paid, Net			$ 7,078	$ 20,000