Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) per Common Unit - Schedule of Net Income (Loss) per Unit and Allocation of Distribution (Details)

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Net Income (Loss) per Common Unit - Schedule of Net Income (Loss) per Unit and Allocation of Distribution (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net loss $ (226,224) $ (47,010) $ (295,957) $ (98,743)
Declared distributions 24,754 24,754 49,508 49,508
Assumed allocation of undistributed net loss (250,978) (71,764) (345,465) (148,251)
Weighted average units outstanding 57,079 57,079 57,079 51,345
Net income (loss) per unit $ (0.85) $ 0.11 $ (0.91) $ 0.21
Net loss attributable to the Creole Trail Pipeline Business 0 (9,148) 0 (18,394)
Creole Trail Pipeline Business [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net loss attributable to the Creole Trail Pipeline Business 0 (9,148) 0 (18,394)
Common Units [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net loss     (86,017)  
Declared distributions 24,259 24,259 48,518 48,518
Assumed allocation of undistributed net loss (72,944) (18,199) (100,406) (37,741)
Assumed allocation of net income (loss) (48,685) 6,060 (51,888) 10,777
Weighted average units outstanding 57,079 57,079 57,079 51,345
Common Units [Member] | Creole Trail Pipeline Business [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Assumed allocation of net loss adjusted for the Creole Trail Pipeline Business   3,401   5,430
Net income (loss) per unit, adjusted to include pre-acquisition date net losses of the Creole Trail Pipeline Business   $ 0.06   $ 0.11
Class B Units [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net loss     0  
Declared distributions 0 0 0 0
Assumed allocation of undistributed net loss 0 0 0 0
Assumed allocation of net income (loss) 0 0 0 0
Weighted average units outstanding 145,333 137,817 145,333 135,587
Net income (loss) per unit $ 0.00 $ 0.00 $ 0.00 $ 0.00
Class B Units [Member] | Creole Trail Pipeline Business [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Assumed allocation of net loss adjusted for the Creole Trail Pipeline Business   0   0
Net income (loss) per unit, adjusted to include pre-acquisition date net losses of the Creole Trail Pipeline Business   $ 0.00   $ 0.00
Subordinated Units [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net loss     (204,021)  
Declared distributions 0 0 0 0
Assumed allocation of undistributed net loss (173,014) (43,165) (238,150) (89,519)
Assumed allocation of net income (loss) (173,014) (43,165) (238,150) (89,519)
Weighted average units outstanding 135,384 135,384 135,384 135,384
Net income (loss) per unit $ (1.28) $ (0.32) $ (1.76) $ (0.66)
Subordinated Units [Member] | Creole Trail Pipeline Business [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Assumed allocation of net loss adjusted for the Creole Trail Pipeline Business   (49,471)   (102,198)
Net income (loss) per unit, adjusted to include pre-acquisition date net losses of the Creole Trail Pipeline Business   $ (0.37)   $ (0.75)
General Partner [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net loss     (5,919)  
Declared distributions 495 495 990 990
Assumed allocation of undistributed net loss (5,020) (1,252) (6,909) (2,597)
Assumed allocation of net income (loss) (4,525) (757) (5,919) (1,607)
General Partner [Member] | Creole Trail Pipeline Business [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Assumed allocation of net loss adjusted for the Creole Trail Pipeline Business   $ (940)   $ (1,975)