Accumulated Other Comprehensive (Loss) Income (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, value	$ (1,402,445)
Ending balance, value	(1,508,209)
Currency Translation Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, value	(267)
Other comprehensive income (loss) before reclassifications	4,875
Ending balance, value	4,608
Accumulated Net Gain Loss From Designated Or Qualifying Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, value	(6,102)
Other comprehensive income (loss) before reclassifications	(7,061)
Amounts reclassified from accumulated other comprehensive income	11,627
Ending balance, value	(1,536)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance, value	(6,369)
Other comprehensive income (loss) before reclassifications	(2,186)
Amounts reclassified from accumulated other comprehensive income	11,627
Ending balance, value	$ 3,072