CONDENSED COMBINED FINANCIAL STATEMENTS OF DEBTOR SUBSIDIARIES (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Shipping Revenues:
Pool revenues	$ 241,314	$ 245,028		$ 355,915
Time and bareboat charter revenues	299,267	267,159		276,636
Voyage charter revenues	583,253	537,344		413,059
Sunoco Termination Fee	13,300	0		0
Shipping revenues	1,137,134	1,049,531		1,045,610
Operating Expenses:
Voyage expenses	296,288	259,330		192,332
Vessel expenses	285,023	287,610		265,251
Charter hire expenses	370,405	383,940		369,667
Depreciation and amortization	201,284	179,721		170,670
General and administrative	88,845	83,178		100,424
Loss on disposal of vessels, including impairments	271,359	(2,060)		28,622
Total Operating Expenses	1,516,367	1,191,719		1,124,905
Loss from Vessel Operations	(379,233)	(142,188)		(79,295)
Equity in Income of Affiliated Companies	33,486	20,555		3,593
Operating Loss	(345,747)	(121,633)		(75,702)
Other Income/(Expense)	(1,314)	2,154		1,047
Loss before Interest Expense, Reorganization Items and Income Taxes	(347,061)	(119,479)		(74,655)
Interest Expense	(93,421)	(79,898)		(67,044)
Loss before Reorganization Items and Income Taxes	(440,482)	(199,377)		(141,699)
Reorganization Items, net	(41,113)	0		0
Loss before Income Taxes	(481,595)	(199,377)		(141,699)
Income Tax Benefit	1,481	(1,986)		19,157
Net Loss	(480,114)	(201,363)	[1]	(122,542)	[1]
Combined Debtor Entities [Member]
Shipping Revenues:
Pool revenues	240,487
Time and bareboat charter revenues	299,220
Voyage charter revenues	583,253
Sunoco Termination Fee	13,300
Shipping revenues	1,136,260
Operating Expenses:
Voyage expenses	297,652
Vessel expenses	283,858
Charter hire expenses	368,298
Depreciation and amortization	201,670
General and administrative	66,544
Loss on disposal of vessels, including impairments	271,295
Total Operating Expenses	1,489,317
Loss from Vessel Operations	(353,057)
Equity in Income of Affiliated Companies	33,486
Operating Loss	(319,571)
Other Income/(Expense)	(21,684)
Loss before Interest Expense, Reorganization Items and Income Taxes	(341,255)
Interest Expense	(93,421)
Loss before Reorganization Items and Income Taxes	(434,676)
Reorganization Items, net	(41,113)
Loss before Income Taxes	(475,789)
Income Tax Benefit	1,485
Net Loss	$ (474,304)

[1] Net loss has been restated for 2011 and 2010 as more fully described in Note 2 “Company Inquiry and Restatement.”