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Summary of Significant Accounting Policies and Other Information - Schedule of Prepaid Expense and Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |  |  |  |  |  |
Insurance proceeds receivable | $ 10,563 |  |  |  | $ 8,500 |  |  |  | $ 0 | $ 0
Prepaid expenses | 3,710 |  |  |  | 4,072 |  |  |  | 2,578 | 4,840
Other | 86 |  |  |  | 1,072 |  |  |  | 125 | 0
Total | $ 14,359 | $ 14,536 | $ 12,453 | $ 15,291 | $ 13,644 | $ 5,146 | $ 4,026 | $ 4,132 | $ 2,703 | $ 4,840

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