Accumulated Other Comprehensive (Loss) Income - Schedule of Changes in Accumulated Other Comprehensive (Loss) Income by Component (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period attributable to common shareholders			$ (1,585,578)
Changes in foreign currency translation	$ (843)	$ (4,879)	(63)	$ (314)
Balance at end of period attributable to common shareholders	(1,576,843)		(1,576,843)
Accumulated other comprehensive income at end of period	(18,960)	56,237	(18,960)	56,237	$ 30,105
Cash Flow Hedge Changes in Fair Value Gain (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period attributable to common shareholders	8,835	40,728	30,042	6,351
Other comprehensive (loss) income before reclassifications	(26,457)	13,282	(46,083)	46,317
Amounts reclassified from accumulated other comprehensive income	(1,906)	958	(3,966)	3,556
Balance at end of period	(19,528)	54,968	(20,007)	56,224
Less: Other comprehensive (loss) income attributable to noncontrolling interest	(568)	(106)	(1,047)	1,150
Balance at end of period attributable to common shareholders	(18,960)	55,074	(18,960)	55,074
Foreign Currency Translation Gain (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period attributable to common shareholders	826	6,007	63	1,470
Changes in foreign currency translation	(780)	(4,879)		(314)
Amounts reclassified from accumulated other comprehensive income	(63)		$ (63)
Balance at end of period	(17)	1,128		1,156
Less: Other comprehensive (loss) income attributable to noncontrolling interest	$ (17)	(35)		(7)
Balance at end of period attributable to common shareholders		$ 1,163		$ 1,163