Income Taxes - Schedule of Effective Income Tax Rate (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal income tax benefit at statutory rate (in percentage)	21.00%	21.00%
State and local tax, net of federal benefit (in percentage)	7.50%	5.30%
Research and development credit (in percentage)	2.80%	3.20%
Effective Income Tax Rate Reconciliation, Permanent Differences, Percent	(1.00%)	(8.10%)
Other (in percentage)	1.10%	2.90%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(31.40%)	(24.30%)
Total provision for income taxes	0.00%	0.00%