Unconsolidated Entities (Summarized Equity In Net Income (Loss) Of Unconsolidated Entities) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Entities	$ 158	$ (176)	$ 1,716	$ (364)
Oslo Bulk AS [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Entities	(40)	(55)	646	(142)
Oslo Bulk Holding Pte. Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Entities	(5)	(318)	151	(400)
TTG [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Entities	(229)	(81)	(186)	(148)
Saltholmen Shipping Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Entities	335	30	847	30
Brattholmen Shipping Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Total Equity in Net Income (Loss) of Unconsolidated Entities	$ 97	$ 248	$ 258	$ 296