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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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Restructuring Charges - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Expected savings		$ 650,000
Severance and other restructuring costs	$ 31,213	$ 0	$ 103,924	$ 0	$ 149,100
Forecast
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs						$ 200,000