Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 989,132	$ 959,709
Less: accumulated depreciation	(583,018)	(535,039)
Property and equipment, net	406,114	424,670
Depreciation	85,600	84,000	$ 87,100
Impairments for property and equipment	1,200	12,200	$ 7,700
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,476	7,476
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	6,487	6,487
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	60,433	74,043
Capitalized software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	862,984	819,828
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	50,477	48,811
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,275	$ 3,064

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of impairment loss from capitalized computer software costs.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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