Debt (Details Textual) (USD $)	6 Months Ended					1 Months Ended	6 Months Ended		6 Months Ended								6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011	Dec. 31, 2011		Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2011 Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] Maximum [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] Minimum [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] September 30, 2013 [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] December 31, 2015 [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] December 31, 2017 [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] June 30, 2013 [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] Term Loan [Member]	Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member] Convertible Preferred Stock [Member]	Jun. 30, 2012 Fourth Amended and Restated Credit Agreement [Member] Line of Credit [Member]	Jun. 30, 2012 Paid in Kind Loans [Member] Fourth Amended and Restated Credit Agreement [Member]
Line of Credit Facility, Revolving Credit Conversion to Term Loan, Description						Converts the $1,129,478,742 outstanding under the revolving credit facility into a term loan
Line of Credit Facility, Amount Outstanding (in dollars)								$ 1,129,478,741							$ 1,129,478,741			$ 707,688
Line of Credit Facility, Expiration Date						Dec. 31, 2015
Line Of Credit Minimum Collateral Coverage Ratio						collateral coverage ratio at December 31, 2015 that is less than 80%
Line Of Credit Extended Termination Date						Jun. 30, 2017
Line of Credit Facility, Frequency of Payments						Quaterly
Line of Credit Facility, Periodic Payment						20,000,000
Debt Instrument, Description of Variable Rate Basis																	interest at LIBOR plus a margin that will include a payment-in-kind ("PIK") component
Line of Credit Facility, Interest Rate at Period End						3.50%
Line Of Credit Facility Paid In Kind Percentage Margin						2.50%
Line of Credit Facility, Increase, Additional Borrowings						20,000,000
Line of Credit Facility, Description						On the Termination Date, the Company may elect to either (i) repay the PIK loans in cash; or (ii) convert the PIK loans into shares of cumulative convertible preferred stock, par value $10.00 per share.
Preferred stock, par value (in dollars per share)	$ 0.01			$ 0.01												$ 10.00
Line Of Credit Facility Deffered Financing Cost						12,624,330
Debt Instrument Fee Amount Description																	50% of the amendment fees were paid upon signing the Fourth Amended and Restated Credit Agreement and the remaining 50% is payable in equal amounts during the third and fourth quarters of 2012.
Line Of Credit Facility Leverage Ratio											13.9:1	7.3:1	6.2:1
Line Of Credit Interest Coverage Ratio												220	230	130
Line Of Credit Facility Minimum Covenant						$500,000 per vessel
Line Of Credit Minimum Collateral Coverage Ratio1						100
Line Of Credit Minimum Collateral Coverage Ratio2						80
Line Of Credit Minimum Collateral Coverage Ratio3						70
Warrants Issued During Period						3,148,584
Common stock, par value (in dollars per share)	$ 0.01	[1]		$ 0.01	[1]	$ 0.01
Warrants Excercise Price						$ 0.01
Estimated Market Value Per Share To Excercise Warrants1						$ 10
Estimated Market Value Per Share To Excercise Warrants2						$ 12
Warrants Expiration Date						Jun. 20, 2022
Fair Value Of Warrants						6,300,000
Stock Price Assumption Under Monte Carlo Simulation						The assumptions used in the Monte Carlo simulation were the underlying stock price of $2.98.
Fair Value Assumptions, Risk Free Interest Rate						1.64%
Fair Value Assumptions, Expected Volatility Rate						79.30%
Fair Value Assumptions, Expected Term						10 years
Fair Value Assumptions, Expected Dividend Rate						0.00%
Line of Credit Facility, Interest Rate During Period									7.73%	2.71%
Debt Instrument, Basis Spread on Variable Rate																	2.50%
Long-term Debt, Weighted Average Interest Rate																	3.48%
Interest Paid Excluding Capitalized Interest	$ 19,722,475		$ 22,470,387				$ 22,470,387

[1] Adjusted to give effect to the 1 for 4 reverse stock split that become effective on May 22, 2012, see Note 1.