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Other Income (Expense), Net - Other Income (Expense), Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Other Income and Expenses [Abstract] |  |  |  |
Interest and investment income | $ 3,684 | $ 3,740 | $ 11,173 | $ 11,013
Gain on asset acquisition and sale of business | 8,515 | 0 | 22,690 | 0
Loss on extinguishment of long-term debt | 0 | 0 | (5,488) | 0
Other | (4,396) | (8,654) | (4,603) | (8,907)
Other income (expense), net | $ 7,803 | $ (4,914) | $ 23,772 | $ 2,106

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