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Shareholders' Equity and Share-based Compensation - Market-based Restricted Stock Units Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment arrangement, expense $ 2,876 $ 2,369  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Weighted average remaining recognition period (in years) 2 years 6 months    
Market-based Restricted Stock Units (MSU) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based payment arrangement, expense $ 200 $ 200  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Granted (in shares)     1,300,000