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Depreciation and Amortization (Tables) | 9 Months Ended
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Sep. 30, 2019
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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, 2019 and 2018 was as follows (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Operating expenses |  | $ | 5,599 |  |  | $ | 5,794 |  |  | $ | 16,505 |  |  | $ | 17,301 |
Corporate general and administrative expenses |  |  | 35 |  |  |  | 58 |  |  |  | 105 |  |  |  | 227 |
Total depreciation and amortization expense |  | $ | 5,634 |  |  | $ | 5,852 |  |  | $ | 16,610 |  |  | $ | 17,528 |

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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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