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Income Taxes (Narrative) (Details 2) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Income tax contingencies |  |  |  |
Unrecognized tax benefits | $ 164,531 | $ 146,215 | $ 134,044 | $ 115,653
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit | 144,900 |  |  |
Long-term deferred tax assets |  |  |  |
Income tax contingencies |  |  |  |
Unrecognized tax benefits | 19,600 | 18,900 |  |
Other assets | Foreign tax authority | National Tax Services |  |  |  |
Income tax contingencies |  |  |  |
Unrecognized tax benefits | 143,600 | 126,100 |  |
Long-term income taxes payable |  |  |  |
Income tax contingencies |  |  |  |
Unrecognized tax benefits | $ 1,300 | $ 1,300 |  |

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