Other Financial Information - Summary of Other Comprehensive Income (Loss) Included in Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ 2,804,151	$ 2,050,946	$ 1,632,532	$ 664,392
Accumulated other comprehensive loss, adjustment attributable to parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(1,073,981)	(1,112,695)	$ (925,556)	$ (1,052,055)
Foreign currency translation loss, adjustment attributable to parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(1,084,651)	(1,127,719)
Unrealized gains (losses) on derivatives, adjustment attributable to parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	10,416	18,366
Minimum pension liability adjustment, adjustment attributable to parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	254	(3,342)
Accumulated other comprehensive loss, AOCI attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	326	459
Foreign currency translation loss, AOCI attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	326	459
Unrealized gains (losses) on derivatives, AOCI attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	0	0
Minimum pension liability adjustment, AOCI attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	0	0
AOCI including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(1,073,655)	(1,112,236)
Foreign currency translation loss, AOCI including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(1,084,325)	(1,127,260)
Unrealized gains (losses) on derivatives, AOCI including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	10,416	18,366
Minimum pension liability adjustment, AOCI including portion attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ 254	$ (3,342)