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Stockholders' Equity (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Equity, Class of Treasury Stock [Line Items]      
Preferred Stock, Shares Authorized 5,000,000.0 5,000,000.0  
Preferred stock shares authorized 5,000,000.0 5,000,000.0  
Preferred stock shares issued 0 0  
Preferred stock shares outstanding 0 0  
Line of Credit Facility, Dividend Restrictions 2.5 million    
Stock Repurchase Program, Number of Shares Authorized to be Repurchased 2,707,175    
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 1,349,037    
Common stock shares withheld 170,629 181,081  
Treasury stock, shares 1,338,779 1,746,689  
Payments for Repurchase of Common Stock $ 0 $ (17,045) $ (5,190)