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Share-based Compensation - Stock Options Outstanding and Exercisable (Details)
12 Months Ended
Jun. 30, 2020
$ / shares
shares
Price Range $7.21 - 7.21 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 6,875
Weighted-Average Remaining Contractual Life (Years) 3 years 6 months 29 days
Weighted-Average Exercise Price (in dollars per share) $ 7.21
Number Exercisable (in shares) | shares 6,875
Weighted-Average Exercise Price (in dollars per share) $ 7.21
Exercise price, lower range limit (in dollars per share) 7.21
Exercise price, upper range limit (in dollars per share) $ 7.21
Price Range $7.44 - 7.44 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 331,139
Weighted-Average Remaining Contractual Life (Years) 3 years 8 months 15 days
Weighted-Average Exercise Price (in dollars per share) $ 7.44
Number Exercisable (in shares) | shares 331,139
Weighted-Average Exercise Price (in dollars per share) $ 7.44
Exercise price, lower range limit (in dollars per share) 7.44
Exercise price, upper range limit (in dollars per share) $ 7.44
Price Range $7.56 - 9.90 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 132,150
Weighted-Average Remaining Contractual Life (Years) 3 years 1 month 20 days
Weighted-Average Exercise Price (in dollars per share) $ 8.47
Number Exercisable (in shares) | shares 132,150
Weighted-Average Exercise Price (in dollars per share) $ 8.47
Exercise price, lower range limit (in dollars per share) 7.56
Exercise price, upper range limit (in dollars per share) $ 9.19
Price Range $10.50 - 15.00 [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 168,000
Weighted-Average Remaining Contractual Life (Years) 1 year 1 month 9 days
Weighted-Average Exercise Price (in dollars per share) $ 11.64
Number Exercisable (in shares) | shares 168,000
Weighted-Average Exercise Price (in dollars per share) $ 11.64
Exercise price, lower range limit (in dollars per share) 9.90
Exercise price, upper range limit (in dollars per share) $ 12.68
Price Range $17.90 - $18.00 (Member)  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 5,814
Weighted-Average Remaining Contractual Life (Years) 9 months 14 days
Weighted-Average Exercise Price (in dollars per share) $ 12.91
Number Exercisable (in shares) | shares 5,814
Weighted-Average Exercise Price (in dollars per share) $ 12.91
Exercise price, lower range limit (in dollars per share) 12.91
Exercise price, upper range limit (in dollars per share) $ 12.91
Price Range $7.21 - 18.00 Member  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Number Outstanding (in shares) | shares 643,978
Weighted-Average Remaining Contractual Life (Years) 2 years 10 months 20 days
Weighted-Average Exercise Price (in dollars per share) $ 8.79
Number Exercisable (in shares) | shares 643,978
Weighted-Average Exercise Price (in dollars per share) $ 8.79
Exercise price, lower range limit (in dollars per share) 7.21
Exercise price, upper range limit (in dollars per share) $ 12.91