Stock-Based Compensation (Compensation Expense of Nonvested Shares) (Details) $ in Thousands	Sep. 30, 2015 USD ($)
Nonvested time-based shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining 2015	$ 426
2016	1,516
2017	628
2018	8
Total	2,578
Nonvested performance-based shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining 2015	384
2016	1,536
2017	824
2018	0
Total	$ 2,744