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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Income Tax Contingency [Line Items] |  |  |
Annual effective tax rate | 26.60% | 23.30% |
Net tax expense on sale of intellectual property rights |  | $ 9,600 |
Discrete tax benefit | $ (18) | (8,067) |
Unrecognized tax benefits | 17,000 |  | $ 16,800
Accrued interest and penalties | 1,100 |  | $ 1,000
Equity Compensation |  |  |
Income Tax Contingency [Line Items] |  |  |
Discrete tax benefit | $ 2,800 | $ 4,600 |

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