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Stockholders' Equity - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 30, 2021
Oct. 31, 2019
Jun. 30, 2014
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Class Of Stock [Line Items]            
Proceeds from issuance of common stock   $ 162,200,000       $ 162,151,000
Share-based Payment Arrangement, Option            
Class Of Stock [Line Items]            
Share-based compensation arrangement by share-based payment award, options, forfeitures in period       806,244    
Share-based compensation arrangements by share-based payment award, options, forfeitures in period, weighted average exercise price       $ 20.51    
Share-based compensation arrangement by share-based payment award, options, expirations in period       846,350    
Share-based compensation arrangements by share-based payment award, options, expirations in period, weighted average exercise price       $ 22.81    
Pre-funded Warrants            
Class Of Stock [Line Items]            
Class of warrant or right, number of securities called by warrants or rights     600,000      
Class of warrant or right, exercise price of warrants or rights     $ 0.01      
Class of warrant or right, expiration date     Jun. 30, 2021      
Class of warrant or right, exercised during period 195,574       267,870 132,130
Proceeds from issuance of warrants $ 0       $ 2,679,000 $ 1,321,000
Class of warrant or right, outstanding       0    
Common Stock            
Class Of Stock [Line Items]            
Number of shares issued   9,900,000       9,857,000
Share price   $ 17.50        
Payments of stock issuance costs   $ 10,300,000        
Issuance of common stock on exercise of warrants (in shares)       195,000 267,000 132,000
Common Stock | Pre-funded Warrants            
Class Of Stock [Line Items]            
Issuance of common stock on exercise of warrants (in shares) 195,461       267,870 132,130