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Details Of Certain Accounts - Other Current Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Note receivable | $ 10,000 | $ 10,000
Prepaid insurance | 4,492 | 4,426
Other prepaids | 8,829 | 9,547
Deferred costs | 13,466 | 7,971
Spare parts inventory | 2,482 | 2,548
Income tax receivable | 2,005 | 880
Value added tax receivable | 957 | 1,345
Other | 1,208 | 671
Total other current assets | $ 43,439 | $ 37,388
Current note receivable, interest rate (as a percent) | 6.00% |

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