Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2017
Income Tax Disclosure [Abstract]
Effective tax rate	0.00%	0.00%
Operating loss unavailable for carryforward				$ 1,538
Federal Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			$ 195,133
Operating loss carryforwards, not subject to expiration			109,484
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards			$ 10,421