Stock-Based Compensation (Restricted Stock Activity) (Details) - USD ($) $ in Thousands	1 Months Ended			9 Months Ended
	Mar. 31, 2018	Aug. 31, 2017	Aug. 31, 2016	Mar. 31, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested, Number of Shares of Restricted Stock, Ending Balance	934,673			934,673	904,356
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested, Number of Shares of Restricted Stock, Beginning Balance				505,473	589,447
Granted, Number of Shares of Restricted Stock	22,817	588,594	387,000
Vested, Number of Shares of Restricted Stock		(56,250)	(72,091)
Forfeitures, Number of Shares of Restricted Stock					(30,635)
Non-vested, Number of Shares of Restricted Stock, Ending Balance	934,673			934,673	904,356
Non-vested, Weighted Average Grant Date Fair Value, Beginning Balance				$ 11,173	$ 7,622
Granted, Weighted Average Grant Date Fair Value	$ 234	$ 4,288	$ 4,145
Vested, Weighted Average Grant Date Fair Value		$ 527	$ 735
Forfeitures, Weighted Average Grant Date Fair Value					358
Non-vested, Weighted Average Grant Date Fair Value, Ending Balance	$ 9,608			$ 9,608	$ 11,142
Restricted Stock [Member] | August And November 2014 Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeitures, Number of Shares of Restricted Stock	(95,326)			(95,326)
Forfeitures, Weighted Average Grant Date Fair Value				$ 1,133