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Fixed Assets, Net - Components of Fixed Assets, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment
Fixed assets, gross	$ 206,796	$ 183,524
Accumulated depreciation and amortization	(91,344)	(87,157)
Fixed assets, net	115,452	96,367
Leasehold improvements, furniture and fixtures, and other fixed assets
Property, Plant and Equipment
Fixed assets, gross	148,709	126,428
Software, including software development costs
Property, Plant and Equipment
Fixed assets, gross	31,691	30,928
Computer and communications equipment
Property, Plant and Equipment
Fixed assets, gross	$ 26,396	$ 26,168

X

- Definition

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

+ References

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- Definition

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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