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Property and Equipment - Schedule of property and equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 224,998	$ 286,515
Less: accumulated depreciation	(144,982)	(171,825)
Total property and equipment, net	80,016	114,690
Software
Property, Plant and Equipment [Line Items]
Total property and equipment	106,250	126,796
Computer hardware and other equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	69,428	76,558
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	32,584	54,293
Furniture, fixtures, and other
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 16,736	$ 28,868

X

- Definition

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 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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