Income Taxes Income Taxes - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal tax provision (benefit) rate	(21.00%)	(21.00%)
State tax provision, net of federal provision	(4.60%)	19.90%
EffectiveIncomeTaxRateReconciliationImpactOfPermanentDifferences	5.90%	1.10%
Federal research and development credits	0.00%	0.00%
Effective Income Tax Rate Reconciliation 382 Limitation	(1.90%)	861.50%
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	0.30%	0.00%
Change in statutory tax rate	0.00%	0.00%
Valuation allowance	21.90%	(861.50%)
Effective income tax rate	0.00%	0.00%