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		$ 1,330,410	$ 829,750	$ 540,613
Other comprehensive income (loss):
Reclassification adjustment for write down of equity investment		0	0	(5,120)
Unrecognized actuarial gain (loss)		540	344	269
Foreign currency translation gain (loss)		161,915	(253,022)	337,433
Derivative and financial instruments designated as hedges gain (loss)		(131,120)	211,390
Derivative and financial instruments designated as hedges gain (loss)				(252,168)
Total other comprehensive income (loss)		31,335	(41,288)	80,414
Total comprehensive income (loss)		1,361,745	788,462	621,027
Less: Total comprehensive income (loss) attributable to noncontrolling interests	[1]	111,701	1,812	40,187
Total comprehensive income (loss) attributable to common stockholders		$ 1,250,044	$ 786,650	$ 580,840

[1] Includes amounts attributable to redeemable noncontrolling interests.