Stock-Based Compensation (Restricted Stock Activity) (Details) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended
	Sep. 30, 2018	Aug. 31, 2018	Aug. 31, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares of Restricted Stock				600,000
Non-vested, Number of Shares of Restricted Stock, Ending Balance	860,817			860,817	1,007,182
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested, Number of Shares of Restricted Stock, Beginning Balance				765,411	505,473
Granted, Number of Shares of Restricted Stock	148,000		588,594
Vested, Number of Shares of Restricted Stock		(52,594)	(56,250)
Forfeitures, Number of Shares of Restricted Stock					(30,635)
Non-vested, Number of Shares of Restricted Stock, Ending Balance	860,817			860,817	1,007,182
Non-vested, Weighted Average Grant Date Fair Value, Beginning Balance				$ 6,162	$ 11,173
Granted, Weighted Average Grant Date Fair Value	$ 114		$ 4,288
Vested, Weighted Average Grant Date Fair Value		$ 459	$ 527
Forfeitures, Weighted Average Grant Date Fair Value					358
Non-vested, Weighted Average Grant Date Fair Value, Ending Balance	$ 5,785			$ 5,785	$ 9,689