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Stock-Based Compensation (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 30, 2018
USD ($)
$ / shares
shares
Share Based Compensation [Abstract]  
Shares, Beginning Balance | shares 133,074
Shares, Ending Balance | shares 133,074
Shares, Exercisable | shares 113,074
Weighted Average Exercise Price, Beginning Balance | $ / shares $ 29.37
Weighted Average Exercise Price, Ending Balance | $ / shares 29.37
Weighted Average Exercise Price, Exercisable | $ / shares $ 29.37
Weighted Average Remaining Contractual Term, Outstanding 3 years 1 month 6 days
Weighted Average Remaining Contractual Term, Exercisable, Outstanding 3 years 1 month 6 days
Aggregate Intrinsic Value, Outstanding | $ $ 1,331
Aggregate Intrinsic Value, Exercisable | $ $ 1,331