Stock-Based Compensation and Similar Arrangements - Schedule of Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	$ 5,414	$ 9,130,000	$ 7,619,000
Service expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	572	200,000	0
General and administrative expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	4,842	8,787,000	7,486,000
Equity in net loss (gain) of investees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	0	137,000	76,000
(Loss) income from discontinued operations, net of tax
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	$ 0	$ 6,000	$ 57,000