Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 1,079	$ 2,068	$ 1,479	$ 4,026
Pre-tax loss from continuing operations	$ (13,275)	$ (8,723)	$ (29,982)	$ (24,335)
Effective tax rate (as a percent)	8.10%	23.70%	4.90%	16.50%