Assets Held for Sale - Carrying Amount of Assets Held for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Discontinued Operations and Disposal Groups [Abstract]
Property, plant and equipment, net	$ 6,332	$ 7,589
Total assets held for sale	$ 6,332	$ 7,589

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Name:	us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant