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ACCRUED EXPENSES (Tables) | 12 Months Ended
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Dec. 31, 2017
Payables and Accruals [Abstract] |
Accrued Expenses | Accrued expenses consisted of the following at December 31 (in thousands):
| December 31, 2017 |  | December 31, 2016
Insurance | $ | 57,889 |  |  | $ | 63,061 |
Interest | 12,660 |  |  | 21,536 |
Accrued compensation and benefits | 55,861 |  |  | 34,641 |
Income, real estate, sales and other taxes | 27,330 |  |  | 35,083 |
Other | 34,242 |  |  | 36,400 |
| $ | 187,982 |  |  | $ | 190,721 |

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