Disclosure Subsequent Events	6 Months Ended
Jun. 30, 2011
Disclosure - Subsequent Events [Abstract]
Disclosure - Subsequent Events	Note 14. Subsequent Events In July 2011, pursuant to early buy-out options contained in existing lease agreements which we declared on January 3, 2011 and January 13, 2011, we purchased two vessels for an aggregate purchase price of $64.5 million. On June 29, 2011, we entered into a secured term loan facility agreement that permitted us to borrow up to $45.9 million, for these purposes. In July, 2011, we drew the full amount of borrowings available under this facility agreement to finance a substantial portion of the aggregate purchase price for the two vessels, and paid the remainder of the purchase price with cash on hand. For further information, please see our Current Report on Form 8-K dated June 29, 2011. On July 25, 2011, we were notifed by the United States Navy's Military Sealift Command (“MSC”) that our current operating agreements on three U.S. Flag Roll on Roll Off vessels have been extended through October 31, 2011. All three agreements had been set to expire on July 31, 2011. For further information about these agreements with the MSC, please see Item 2 – Management's Discussion and Analysis of Financial Condition and Results of Operations.

Note 14. Subsequent Events

In July 2011, pursuant to early buy-out options contained in existing lease agreements which we declared on January 3, 2011 and January 13, 2011, we purchased two vessels for an aggregate purchase price of $64.5 million. On June 29, 2011, we entered into a secured term loan facility agreement that permitted us to borrow up to $45.9 million, for these purposes. In July, 2011, we drew the full amount of borrowings available under this facility agreement to finance a substantial portion of the aggregate purchase price for the two vessels, and paid the remainder of the purchase price with cash on hand. For further information, please see our Current Report on Form 8-K dated June 29, 2011.

On July 25, 2011, we were notifed by the United States Navy's Military Sealift Command (“MSC”) that our current operating agreements on three U.S. Flag Roll on Roll Off vessels have been extended through October 31, 2011. All three agreements had been set to expire on July 31, 2011. For further information about these agreements with the MSC, please see Item 2 – Management's Discussion and Analysis of Financial Condition and Results of Operations.