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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Jun. 30, 2016
Income Tax Disclosure [Abstract]          
Deferred tax assets, valuation allowance $ 9,819   $ 9,819   $ 9,700
Effective income tax rate reconciliation, percent 30.10% 38.70% 32.20% 35.70%  
Effective income tax rate reconciliation, at federal statutory income tax rate, percent     35.00%