Goodwill and Other Intangible Assets - Carrying Value of Goodwill (Details) - USD ($) $ in Thousands		12 Months Ended
Jul. 01, 2019	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Goodwill at period start		$ 359,654	$ 178,719
Goodwill, acquired	$ 178,000		177,993
Foreign currency exchange translation		1,236	2,942
Impairment		(93,929)
Goodwill at period end		$ 266,961	$ 359,654

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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