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PREPAID EXPENSES AND OTHER CURRENT AND NONCURRENT ASSETS (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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PREPAID EXPENSES AND OTHER CURRENT AND NONCURRENT ASSETS [Abstract] |  |
Lubricant inventory, fuel oil and diesel oil inventory and other stores | $ 10,989 | $ 10,322
Prepaid items | 3,953 | 5,067
Insurance receivable | 1,352 | 1,817
Other | 2,096 | 940
Total prepaid expenses and other current assets | 18,390 | 18,146
Security deposit related to operating lease included in other noncurrent assets | $ 514 | $ 514

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