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Fixed Assets, Net - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Property, Plant and Equipment
Depreciation expense	$ 5,800,000	$ 3,400,000	$ 10,100,000	$ 8,300,000
Impairment charges	0	0	0	0
Software, including software development costs
Property, Plant and Equipment
Software development costs capitalized	0.0	800,000	600,000	2,100,000
Amortization of software development costs	$ 300,000	$ 200,000	$ 600,000	$ 600,000

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- Definition

Additions made to capitalized computer software costs during the period.

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Amount of expense for amortization of capitalized computer software costs.

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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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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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No definition available.

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