Condensed Consolidated Statements of Cash Flow (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
OPERATIONS
Net income (loss)	$ 5,131	$ (24,723)
Depreciation and amortization	47,217	45,936
Noncash portion of loss on debt extinguishment	36,212	521
Repayment of original issuance discounts	(6,161)	0
Reserve for trade receivables	4,849	5,085
Amortization of discount on Convertible Notes	3,805	9,144
Amortization of gain on sale of the shipping fleet	0	(6,290)
Stock-based compensation	16,165	5,583
Changes in current assets and liabilities and other	38,772	5,415
Operating cash flow	132,513	40,671
INVESTING
Capital expenditures	(13,575)	(38,836)
Other, net	(67)	(3,736)
Investing cash flow	(13,642)	(37,316)
FINANCING
Issuances of long-term debt with related party	238,479	0
Repurchase of Convertible Notes	(146,401)	0
Repayments of the 2013 ABL Term Loan	(4,875)	(1,125)
Repayments of long-term debt and capital lease obligations	(3,143)	(589)
Payments for debt modification and issuance costs	(2,738)	(266)
Payments of debt extinguishment costs	0	(300)
Payments of stock-based compensation	(36,588)	0
Payment of dividend to related party	(45,374)	0
Proceeds from sale of common stock	154,836	0
Proceeds from capital contributions	89,604	0
Advance from related party	18,445	0
Payment of advance from related party	(18,445)	0
Financing cash flow	21,683	(12,280)
Increase (decrease) in cash and equivalents	140,554	(8,925)
Cash and equivalents, beginning of period	48,160	54,017
Cash and equivalents, end of period	188,714	45,092
7.875% Senior Notes [Member]
OPERATIONS
Noncash portion of loss on debt extinguishment	22,735
2013 ABL Revolver [Member]
FINANCING
Proceeds from 2013 ABL Revolver	0	24,000
Repayments of 2013 ABL Revolver	0	(24,000)
2015 ABL [Member]
FINANCING
Borrowings under the 2015 ABL	16,000	0
Repayments of the 2015 ABL	(16,000)	0
7.875% Senior Notes | Senior Secured Notes, 7 Point 875 Percent, Due 2021 [Member]
FINANCING
Redemption of 7.875% Notes	(222,000)	(10,000)
Line of Credit [Member] | 2013 ABL Term Loan
FINANCING
Repayments of the 2013 ABL Term Loan	$ (4,875)	$ (1,125)