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Summary of Significant Accounting Policies, Classification of Venezuela as a Highly Inflationary Economy and Devaluation of Its Currency (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2014 USD ($) VEB / $ | Mar. 31, 2014 USD ($) VEB / $ Mechanism | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Mar. 31, 2015 VEB / $ | Dec. 31, 2012 USD ($)
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Total assets |  |  | $ 1,505,843 | $ 1,614,434 |  |  |
Monetary assets |  |  | 289,354 | 288,415 | $ 525,153 |  | $ 320,025
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Foreign currency transaction losses on net monetary assets denominated in bolivar |  |  | 10,200 | 46,300 |  |  |
Other Income (Expense), Net [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Foreign currency transaction losses on net monetary assets denominated in bolivar | $ 25,300 | $ 14,700 | 10,200 |  |  |  |
Venezuela [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Total assets |  |  | 7,900 | 14,600 |  |  |
Monetary assets |  |  | 4,300 | 8,200 |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Number of foreign exchange mechanisms | Mechanism |  | 2 |  |  |  |  |
SICAD I [Member] | Venezuela [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Foreign currency exchange rate | VEB / $ |  | 10.7 |  |  |  |  |
SICAD II [Member] | Venezuela [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Foreign currency exchange rate | VEB / $ | 50 |  |  |  |  |  |
SIMADI [Member] | Venezuela [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Foreign currency exchange rate | VEB / $ |  |  |  |  |  | 193 |
Correct Certain Accounting Errors for Hyper-Inflationary Adjustments with Respect to Operations in Venezuela [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Out-of-period adjustment to income statement |  |  | 6,300 |  |  |  |
Subsidiary [Member] | Venezuela [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Payable to parent company |  |  | $ 33,700 | $ 34,800 |  |  |
Sales Revenue [Member] | Geographic Concentration Risk [Member] |  |  |  |  |  |  |
Operations in Venezuela [Abstract] |  |  |  |  |  |  |
Concentration risk percentage |  |  | 0.20% | 1.00% | 1.10% |  |

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