Restructuring Charges - Schedule of Restructuring Reserve by Type of Cost (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 0	$ 15,924	$ 0
One-time Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges		10,159
Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges		5,207
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges		558
Accrued Liabilities [Member]
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	2,389	0
Restructuring charges		17,185
Cash payments	(1,384)	(9,597)
Non-cash restructuring charges		(4,163)
Restructuring adjustments		(1,261)
Foreign exchange rate changes	(7)	225
Balance as of December 31, 2020	998	2,389	0
Accrued Liabilities [Member] \| One-time Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	1,624	0
Restructuring charges		11,329
Cash payments	(1,142)	(8,717)
Non-cash restructuring charges		0
Restructuring adjustments		(1,170)
Foreign exchange rate changes	0	182
Balance as of December 31, 2020	482	1,624	0
Accrued Liabilities [Member] \| Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	750	0
Restructuring charges		5,220
Cash payments	(227)	(317)
Non-cash restructuring charges		(4,163)
Restructuring adjustments		(13)
Foreign exchange rate changes	(7)	23
Balance as of December 31, 2020	516	750	0
Accrued Liabilities [Member] \| Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	15	0
Restructuring charges		636
Cash payments	(15)	(563)
Non-cash restructuring charges		0
Restructuring adjustments		(78)
Foreign exchange rate changes	0	20
Balance as of December 31, 2020	$ 0	$ 15	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

+ References

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