Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Restricted Stock Units and Performance Restricted Stock Units - Activity (Details)

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Stock-Based Compensation - Restricted Stock Units and Performance Restricted Stock Units - Activity (Details) - $ / shares
3 Months Ended 6 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Shares        
Nonvested, balance at the beginning of the period (in shares)     497,281  
Granted (in shares)     243,014  
Vested and issued (in shares)     (137,670)  
Forfeited (in shares)     (6,760)  
Nonvested, balance at the end of the period (in shares) 595,865   595,865  
Awards expected to vest (in shares) 595,865   595,865  
Weighted Average Grant-Date Fair Value        
Nonvested restricted stock units outstanding at the beginning of the period (in dollars per share)     $ 5.65  
Granted (in dollars per share)     5.69  
Vested and issued (in dollars per share)     4.75  
Forfeited (in dollars per share)     6.25  
Nonvested restricted stock units outstanding at the end of the period (in dollars per share) $ 5.86   5.86  
Awards expected to vest (in dollars per share) 5.86   5.86  
Restricted stock units        
Weighted Average Grant-Date Fair Value        
Granted (in dollars per share) $ 4.53 $ 4.27 $ 5.69 $ 4.27