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UNIT-BASED COMPENSATION (Non-cash Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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DFW Net Profits Interests
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Non-cash compensation expense (in dollars) | $ 17 | $ 688 | $ 2,171 |
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SMP Net Profits Interests
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Non-cash compensation expense (in dollars) | $ 919 | $ 1,269 | |