Property and Equipment (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 260,798	$ 232,560
Accumulated depreciation	(167,126)	(147,983)
Property and equipment, net	93,672	84,577
Depreciation expense for property and equipment	30,100	26,200	$ 24,400
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	99,837	88,623
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,359	2,754
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	36,698	34,865
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 119,904	$ 106,318

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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