Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	4.74%	4.74%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	25.74%	25.74%
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ (3,095)	$ (4,217)
Deferred Tax Assets, Valuation Allowance	52,910	$ 49,815
Operating Loss Carryforwards	188,600
Operating Loss Carryforwards Expire Date		2037
Income Tax Expense (Benefit)	$ 0	$ 0
Scenario, Plan [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%