DEBT - Schedule of Maturities of Debt (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($) extension_option	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
October 1, 2017 through December 31, 2017	$ 1,054
2018	4,304
2019	102,948
2020	204,598
2021	771,587
Thereafter	1,927,105
Total Debt	3,011,596
Premium, net	16,259
Deferred financing costs, net	(22,401)
Total Debt, Net	$ 3,005,454
Credit Agreement [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Number of optional extensions | extension_option	2
Optional extension period	6 months
Secured Indebtedness [Member]
Debt Instrument [Line Items]
October 1, 2017 through December 31, 2017	$ 1,054
2018	4,304
2019	102,948
2020	4,598
2021	20,587
Thereafter	126,880
Total Debt	260,371
Premium, net	0
Deferred financing costs, net	(2,800)	$ (2,900)
Total Debt, Net	257,571
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
October 1, 2017 through December 31, 2017	0
2018	0
2019	0
2020	0
2021	251,000
Thereafter	0
Total Debt	251,000
Premium, net	0
Deferred financing costs, net	0
Total Debt, Net	251,000
Term Loans [Member]
Debt Instrument [Line Items]
October 1, 2017 through December 31, 2017	0
2018	0
2019	0
2020	200,000
2021	0
Thereafter	1,000,225
Total Debt	1,200,225
Premium, net	0
Deferred financing costs, net	(9,338)
Total Debt, Net	1,190,887
Senior Notes [Member]
Debt Instrument [Line Items]
October 1, 2017 through December 31, 2017	0
2018	0
2019	0
2020	0
2021	500,000
Thereafter	800,000
Total Debt	1,300,000
Premium, net	16,259
Deferred financing costs, net	(10,263)	$ (11,200)
Total Debt, Net	$ 1,305,996