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Stock-Based Compensation - Other Stock-Based Compensation Plans (Details)
$ in Thousands
1 Months Ended 6 Months Ended
Jan. 01, 2018
USD ($)
offeringPeriod
Jul. 31, 2021
shares
Jun. 30, 2021
shares
Jul. 31, 2020
shares
Jun. 30, 2020
shares
Sep. 30, 2021
shares
Inducement Plan            
Other Stock-Based Compensation Plans            
Number of shares authorized           300,000
Granted (in shares)           0
ESPP            
Other Stock-Based Compensation Plans            
Purchase price of common stock 95.00%          
Number of offering periods | offeringPeriod 2          
Duration of offering period 6 months          
Annual stock value | $ $ 25          
Number of shares purchased (in shares)   44,449 0 41,679 0  
ESPP | Minimum            
Other Stock-Based Compensation Plans            
Employer matching contribution 1.00%          
ESPP | Maximum            
Other Stock-Based Compensation Plans            
Employer matching contribution 15.00%