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Depreciation and Amortization (Tables) | 9 Months Ended
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Sep. 30, 2014
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Depreciation and Amortization Expense for Property and Equipment and Intangible Assets | Depreciation and amortization expense for property and equipment and intangible assets for the three and nine months ended September 30, 2014 and 2013 was as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Operating expenses |  | $ | 5,087 |  |  | $ | 4,686 |  |  | $ | 14,666 |  |  | $ | 13,911 |
Corporate general and administrative expenses |  |  | 101 |  |  |  | 84 |  |  |  | 334 |  |  |  | 233 |
Total depreciation and amortization expense |  | $ | 5,188 |  |  | $ | 4,770 |  |  | $ | 15,000 |  |  | $ | 14,144 |

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- Definition Tabular disclosure of depreciation and amortization expense for property and equipment and intangible assets. + References No definition available. + Details
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