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 (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Restructuring (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Costs [Abstract]
Total restructuring	$ 0		$ 0
Corporate & Other [Member]
Restructuring Costs [Abstract]
Total restructuring		$ 6,000		$ 33,600