Balance Sheet Components - Property and Equipment and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 981,226	$ 786,800
Less: Accumulated depreciation	(416,005)	(368,519)
Property and equipment, net	$ 565,221	418,281
Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	30 years
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,125	6,125
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 33,141	73,468
Estimated Useful Lives	30 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 354,999	282,028
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 87,465	63,667
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	15 years
Information technology
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 243,565	224,296
Estimated Useful Lives	3 years
Corporate aircraft
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 108,995	62,560
Estimated Useful Lives	8 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 46,415	55,108
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Capital work-in-progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 100,521	$ 19,548