Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 127,492	$ 70,872	$ 315,046	$ 222,598
Foreign currency translation adjustments	7,870	(4,266)	(9,594)	10,133
Total comprehensive income	135,362	66,606	305,452	232,731
Total comprehensive income attributable to noncontrolling interests	(77)	(79)	(182)	(155)
Total comprehensive income attributable to common stockholders	$ 135,285	$ 66,527	$ 305,270	$ 232,576