Income Taxes -Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 10,049	$ 4,086	$ (4,375)	$ 10,780
Effective tax rate	63.70%	16.40%	(84.50%)	23.20%