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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Revolving credit facility, Carrying value | $ 286,000,000 | $ 199,230,000 |
| Senior notes, Carrying value | 300,000,000 | 0 |
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Fair value, Level 2 inputs
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Revolving credit facility, Estimated fair value (Level 2) | 286,000,000 | 199,230,000 |
| Senior notes, Estimated fair value (Level 2) | $ 314,625,000 | $ 0 |