Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Details)

v2.4.1.9
Supplemental Cash Flow Information (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Supplemental Cash Flow Information [Abstract]      
Cash paid during the year for interest, net of amounts capitalized $ 130,578us-gaap_InterestPaidNet $ 120,908us-gaap_InterestPaidNet $ 160,273us-gaap_InterestPaidNet
Balance in property, plant and equipment, net funded with accounts payable and accrued liabilities (including affiliate) 124,741us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid 166,252us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid 99,680us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid
Class B units issued in connection with Creole Trail Pipeline Business acquisition $ 0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates $ 180,000us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates $ 0us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates