Income Taxes - Narrative (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax benefit resulting from applying NOL carryback provision	$ 1,200,000
Discrete benefit due to difference in U.S. federal tax rate	$ 400,000
Effective tax rate	4.00%	14.90%
Net deferred tax asset	$ 203,300,000
Valuation allowance	203,300,000
Liabilities for uncertain tax positions	0
Amounts incurred for interest and penalties	$ 0