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Other Income (Expense), Net Other Income (Expense), Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Other Nonoperating Income (Expense), Net - Total | $ (2,557) | $ 34 | $ 11,532 | $ 38,055
Other Nonoperating Income (Expense), Net - Other | (457) | 34 | (368) | 1,399
kaleo [Member] |  |  |  |
Unrealized Gain (Loss) on Investments - kaleo | $ (2,100) | $ 0 | $ 11,900 | $ 24,800

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