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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2018
Income Tax Disclosure [Abstract]      
Deferred tax assets, valuation allowance $ 13,215   $ 12,716
Effective income tax rate reconciliation, percent 23.00% (4.20%)