Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 115,995	$ 139,687	$ 330,844	$ 337,830
Other comprehensive income (loss):
Change in fair value of interest rate swaps	(16,762)	5,716	(82,057)	36,812
Total comprehensive income	99,233	145,403	248,787	374,642
Less: comprehensive income attributable to noncontrolling interests	7,109	9,553	19,191	25,743
Comprehensive income attributable to common stockholders	$ 92,124	$ 135,850	$ 229,596	$ 348,899