Income Taxes - Schedule Of Components Of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Current	$ 4,830	$ 4,161	$ (27,319)
Deferred	(2,430)	(54,585)	14,849
Income tax provision (benefit)	$ 2,400	$ (50,424)	$ (12,470)

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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