Long-Lived Assets - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 186,832	$ 182,458
Less - accumulated depreciation	(105,073)	(98,029)
Property and equipment, net	$ 81,759	84,429
Minimum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	3 years
Maximum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	10 years
Computer equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 87,289	88,701
Computer equipment | Minimum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	3 years
Computer equipment | Maximum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	6 years
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 25,442	25,778
Leasehold improvements | Minimum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	5 years
Leasehold improvements | Maximum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	10 years
Operating equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 67,097	59,864
Operating equipment | Minimum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	3 years
Operating equipment | Maximum
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	8 years
Furniture and fixtures
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	8 years
Property and equipment, gross	$ 7,004	$ 8,115