Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Document Fiscal Year Focus	2019
Other comprehensive (loss) income:
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (5,489)	$ 9,505
Parent Company [Member]
Net income	(91,493)	(53,465)
Other comprehensive (loss) income:
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(5,489)	9,505
Reclassification adjustment of derivative instruments included in net income	(176)	2,138
Available-for-sale Securities, Gross Unrealized Gain	137	(119)
Other comprehensive (loss) income	(5,528)	11,524
Comprehensive income	85,965	64,989
Less: comprehensive income attributable to noncontrolling interests:
Net income attributable to noncontrolling interests	(1,047)	(805)
Other comprehensive (loss) income attributable to noncontrolling interests	(359)	483
Comprehensive income attributable to noncontrolling interests	688	1,288
Comprehensive income attributable to the Company	85,277	63,701
Partnership Interest [Member]
Net income	(91,493)	(53,465)
Other comprehensive (loss) income:
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(5,489)	9,505
Reclassification adjustment of derivative instruments included in net income	(176)	2,138
Available-for-sale Securities, Gross Unrealized Gain	137	(119)
Other comprehensive (loss) income	(5,528)	11,524
Comprehensive income	85,965	64,989
Less: comprehensive income attributable to noncontrolling interests:
Net income attributable to noncontrolling interests	(857)	(694)
Other comprehensive (loss) income attributable to noncontrolling interests	(348)	460
Comprehensive income attributable to noncontrolling interests	509	1,154
Comprehensive income attributable to the Company	$ 85,456	$ 63,835