v3.20.4

Restructuring - Restructuring activity (Details) - Business realignment plan $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($) item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Restructuring
Number of positions to be eliminated | item	80
Accrued Employee Severance and Benefits
Restructuring activity
Restructuring Reserve, Beginning Balance		$ 2,249
Additional accruals		0	$ 2,298
Adjustments		0	(49)
Cash payments		(2,249)	0
Non-cash settlements		$ 0	0
Restructuring Reserve, Ending Balance	$ 2,249		$ 2,249

X

- Definition

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.

+ References

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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.

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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.

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