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FAIR VALUE MEASUREMENTS Narrative (Details) (USD $)
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1 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
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Dec. 31, 2013
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Sep. 30, 2014
Axeon [Member]
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Dec. 31, 2013
Axeon [Member]
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Sep. 30, 2014
Axeon [Member]
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Feb. 26, 2014
Axeon [Member]
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Sep. 30, 2014
Axeon [Member]
Financial Guarantee [Member]
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Sep. 30, 2014
Recurring Fair Value Measurements
Fair Value Level 3
Axeon [Member]
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Sep. 30, 2014
Nonrecurring Fair Value Measurements
Fair Value Level 3
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Dec. 31, 2013
Nonrecurring Fair Value Measurements
Fair Value Level 3
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Dec. 31, 2012
TexStar Asset Acquisition [Member]
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Aug. 31, 2014
TexStar Asset Acquisition [Member]
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| Fair Value Inputs, Liabilities, Quantitative Information [Line Items] | ||||||||||||
| Date of Acquisition | Dec. 13, 2012 | |||||||||||
| Cost of Acquired Entity | $ 325,000,000 | |||||||||||
| Contingent Consideration, Liability | 0 | |||||||||||
| Guarantee liability | 1,700,000 | 1,700,000 | ||||||||||
| Amount of Guarantees Provided | 73,300,000 | |||||||||||
| Number of Guarantees with Unlimited Exposure | 2 | |||||||||||
| Assets held for sale | 2,256,000 | 21,987,000 | 2,300,000 | 22,000,000 | ||||||||
| Carrying amount, note receivable from Axeon | 170,385,000 | |||||||||||
| Term Loan Receivable | 190,000,000 | 190,000,000 | ||||||||||
| Equity method losses in excess of investment | 21,300,000 | |||||||||||
| Equity Method Investments | $ 72,872,000 | $ 68,735,000 | $ 0 | |||||||||