Stock-Based Compensation Expense - Schedule of Fair Value of Stock Option Estimated on Date of Grant Using Black-Scholes Option-Pricing Model or Monte Carlo Simulation in Case of Executive Options (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-Based Payment Arrangement [Abstract]
Risk-free interest rate	3.20%	0.90%	2.50%	0.70%
Expected term (in years)	2 years 1 month 6 days	5 years 8 months 12 days	3 years 3 months 18 days	6 years
Expected volatility	80.60%	84.70%	80.70%	85.30%