Operating Segments - Schedule of Segment Reporting Information (Details) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting [Abstract]
Net gain on exchange offer of Series B Preferred Stock of subsidiary				$ 1,596
Tax benefit from release of valuation allowance on deferred tax assets		$ (1,380)	$ 26	$ (1,344)

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