Restricted Cash - CTPL Reserve (Details) |
Jun. 30, 2015
USD ($)
mi
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Dec. 31, 2014
USD ($)
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May. 31, 2013
USD ($)
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|---|---|---|---|
| Restricted Cash Items [Line Items] | |||
| Current restricted cash | $ 684,073,000 | $ 481,737,000 | |
| Non-current restricted cash | $ 739,145,000 | 550,811,000 | |
| Creole Trail Pipeline LP [Member] | Creole Trail Pipeline [Member] | |||
| Restricted Cash Items [Line Items] | |||
| Length of Natural Gas Pipeline, in miles | mi | 94 | ||
| Creole Trail Pipeline LP [Member] | CTPL Term Loan [Member] | |||
| Restricted Cash Items [Line Items] | |||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 400,000,000 | $ 400,000,000 | |
| Creole Trail Pipeline LP [Member] | Payment of Liabilities [Member] | |||
| Restricted Cash Items [Line Items] | |||
| Current restricted cash | 19,000,000 | 24,900,000 | |
| Creole Trail Pipeline LP [Member] | Construction And Interest Payments [Member] | |||
| Restricted Cash Items [Line Items] | |||
| Non-current restricted cash | $ 0 | $ 11,300,000 |
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- Definition Length of Natural Gas Pipeline No definition available.
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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