Annual report pursuant to Section 13 and 15(d)

Schedule I - Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Details)

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Schedule I - Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]      
Net cash provided by (used in) operating activities $ 35,664 $ (37,741) $ 6,840
Other 13,897 740 1,054
Net cash used in investing activities (328,800) (4,785) (8,448)
Purchase of Creole Train Pipeline Business, net (313,892) 0 0
Distributions to owners (91,386) (57,821) (48,149)
Payments of Capital Distribution 91,386 57,821 48,149
Proceeds from sale of partnership common and general partner units, net 375,897 250,022 70,157
Net cash provided by (used in) financing activities 224,876 380,403 29,674
Net increase in cash and cash equivalents (68,260) 337,877 28,066
Cash and cash equivalents—beginning of period 419,292 81,415 53,349
Cash and cash equivalents—end of period 351,032 419,292 81,415
Parent [Member]
      
Condensed Financial Statements, Captions [Line Items]      
Net cash provided by (used in) operating activities (13,056) (17,508) (13,948)
Investment in subsidiaries (405,452) (1,785,866) 38,333
Other 0 3 0
Net cash used in investing activities (349,618) (1,724,334) 21,577
Proceeds from sale of Class B units 0 1,887,342 0
Distributions (to) received from affiliates, net 369,726 61,529 59,910
Distributions to owners   (57,821) (48,149)
Proceeds from sale of partnership common and general partner units, net   250,021 70,157
Borrowings under long-term note—affiliate 0 (874) 0
Net cash provided by (used in) financing activities 284,511 2,078,668 22,008
Net increase in cash and cash equivalents (78,163) 336,826 29,637
Cash and cash equivalents—beginning of period 392,945 56,119 26,482
Cash and cash equivalents—end of period $ 314,782 $ 392,945 $ 56,119