Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 451,123	$ 447,080	$ 514,222
Other comprehensive income (loss):
Change in fair value of interest rate swaps	(66,843)	1,430	17,308
Total comprehensive income	384,280	448,510	531,530
Less: comprehensive income attributable to noncontrolling interests	27,929	31,861	35,997
Comprehensive income attributable to common stockholders	$ 356,351	$ 416,649	$ 495,533