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Background and Basis of Presentation - Other Income (Expenses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Loss on early extinguishment of debt | $ 0 | $ 0 | $ (78,152) | $ 0
Loss on change in fair value of derivative instruments, net | 0 | 0 | (7,148) | 0
Gain on sale of strategic equity investment | 0 | 0 | 5,338 | 0
Interest income | 1,851 | 3,193 | 3,900 | 8,049
Other | 69 | 47 | 774 | 151
Other income (expense), net | $ 1,920 | $ 3,240 | $ (75,288) | $ 8,200

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