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Depreciation and Amortization (Tables) | 6 Months Ended
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Jun. 30, 2018
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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 six months ended June 30, 2018 and 2017 was as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Operating expenses |  | $ | 5,825 |  |  | $ | 5,546 |  |  | $ | 11,507 |  |  | $ | 11,089 |
Corporate general and administrative expenses |  |  | 76 |  |  |  | 92 |  |  |  | 169 |  |  |  | 190 |
Total depreciation and amortization expense |  | $ | 5,901 |  |  | $ | 5,638 |  |  | $ | 11,676 |  |  | $ | 11,279 |

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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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- References No definition available. + Details
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