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Joint Ventures (Additional Information) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 USD ($) joint_venture | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Number of joint ventures that are 50% owned (entity) | joint_venture | 2 |  |
Equity income related to joint ventures | $ 1,007 | $ 1,009 |
Due from joint ventures, current | $ 4,600 |  | $ 3,700
Rogers INOAC Corporation (RIC) |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership interest in joint venture (percent) | 50.00% |  |
Corporate Joint Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Due to related parties, current | $ 2,000 |  | $ 2,100

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