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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2021
Accounting Policies [Abstract] |
Depreciation Expense Excluded from Each Line Item in Consolidated Statements of Operations | The following table summarizes depreciation and finance lease amortization expense excluded from each line item in our condensed consolidated statements of operations (in thousands):
|  | Three Months Ended March 31, |  |
|  | 2021 |  | 2020 |  |  |  |
Cost of revenues |  | $ | 5,219 |  |  | $ | 4,628 |  |  |  |  |
Operating expense |  | 12,802 |  |  | 14,451 |  |  |  |  |
General and administrative expense |  | 880 |  |  | 801 |  |  |  |  |

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