Restructuring Charges - Summary of Changes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended	21 Months Ended
Sep. 30, 2020	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2020
Restructuring Reserve [Roll Forward]
Accruals	$ 29,400	$ 50,800
Centralization of Global Sales and Marketing Structure
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		11,512
Accruals		10,906	$ 12,000	$ 22,900
Payments		12,126
Ending balance September 30, 2020	10,292	10,292	11,512	10,292
Cumulative Charges Incurred	22,932	22,932		22,932
Expected Additional Expenses to be Incurred	514	514		514
Workforce Reduction Plan
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		0
Accruals		27,936
Payments		18,570
Ending balance September 30, 2020	9,362	9,362	0	9,362
Cumulative Charges Incurred	27,936	27,936		27,936
Expected Additional Expenses to be Incurred	0	0		0
Termination benefits \| Centralization of Global Sales and Marketing Structure
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		8,389
Accruals		3,059
Payments		3,125
Ending balance September 30, 2020	8,323	8,323	8,389	8,323
Cumulative Charges Incurred	11,939	11,939		11,939
Expected Additional Expenses to be Incurred	0	0		0
Termination benefits \| Workforce Reduction Plan
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		0
Accruals		27,936
Payments		18,570
Ending balance September 30, 2020	9,362	9,362	0	9,362
Cumulative Charges Incurred	27,936	27,936		27,936
Expected Additional Expenses to be Incurred	0	0		0
Contract termination costs \| Centralization of Global Sales and Marketing Structure
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		338
Accruals		0
Payments		0
Ending balance September 30, 2020	338	338	338	338
Cumulative Charges Incurred	338	338		338
Expected Additional Expenses to be Incurred	0	0		0
Contract termination costs \| Workforce Reduction Plan
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		0
Accruals		0
Payments		0
Ending balance September 30, 2020	0	0	0	0
Cumulative Charges Incurred	0	0		0
Expected Additional Expenses to be Incurred	0	0		0
Other related costs \| Centralization of Global Sales and Marketing Structure
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		2,785
Accruals		7,847
Payments		9,001
Ending balance September 30, 2020	1,631	1,631	2,785	1,631
Cumulative Charges Incurred	10,655	10,655		10,655
Expected Additional Expenses to be Incurred	514	514		514
Other related costs \| Workforce Reduction Plan
Restructuring Reserve [Roll Forward]
Beginning balance January 1, 2020		0
Accruals		0
Payments		0
Ending balance September 30, 2020	0	0	$ 0	0
Cumulative Charges Incurred	0	0		0
Expected Additional Expenses to be Incurred	$ 0	$ 0		$ 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.

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Amount of costs incurred to date for the specified restructuring cost.

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Amount of expected cost remaining for the specified restructuring cost.

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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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