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Stock-Based Compensation - Additional Information (Details) - $ / shares
1 Months Ended
Jun. 30, 2020
Jan. 31, 2020
Mar. 31, 2018
2018 Equity Incentive Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of shares issued or transferred     3,570,000
2018 Equity Incentive Plan | Restricted Stock Units | Employees and Directors      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares issued 658,950    
Estimated weighted average fair value, price per share $ 29.41    
Vesting interval period annually    
2018 Equity Incentive Plan | Restricted Stock Units | Employees      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Award vesting period 4 years    
2018 Equity Incentive Plan | Restricted Stock Units | Directors      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Award vesting period 12 months    
2020 Inducement Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of shares issued or transferred   3,000,000