Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Tax Credit Carryforward [Line Items]
Income tax expense (benefit)	$ 2,454	$ (88,147)	$ 5,584	$ (88,119)
Research Tax Credit
Tax Credit Carryforward [Line Items]
Income tax expense (benefit)		$ (1,600)		$ (1,600)