Restructuring- (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring (non-cash)			$ 7,300
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 0	$ 288	3,101
Strategic Transformation
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	524	1,883
Restructuring Charges		288
Payments	(524)	(1,647)
Restructuring reserve, ending balance	0	524	1,883
Employee-related costs \| Strategic Transformation
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0	1,202
Restructuring Charges		288
Payments	0	(1,490)
Restructuring reserve, ending balance	0	0	1,202
Contract Termination \| Strategic Transformation
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	524	681
Restructuring Charges		0
Payments	(524)	(157)
Restructuring reserve, ending balance	$ 0	$ 524	681
Other Comprehensive Income (Loss)
Restructuring Cost and Reserve [Line Items]
Restructuring (non-cash)			$ 7,000

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 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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Amount, after cash payment, 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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