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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2012
Accrued Liabilities, Current [Abstract] |
Summary of accrued expenses | Accrued expenses consisted of the following (in thousands):
|  | 2012 |  | 2011
Accrued interest |  | $ | 14,371 |  |  | $ | 18,072 |
Accrued bonus |  | 11,762 |  |  | 8,849 |
Accrued insurance |  | 52,593 |  |  | 52,437 |
Accrued property and other taxes |  | 12,074 |  |  | 12,959 |
Construction retainage |  | 293 |  |  | 8,247 |
Other |  | 25,464 |  |  | 25,272 |
Total |  | $ | 116,557 |  |  | $ | 125,836 |

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