Income Taxes Unrecognized tax expense (benefit) roll forward (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Income Tax Disclosure [Abstract] | ||||
| Unrecognized Tax Benefits | $ 63,765 | $ 62,027 | $ 61,470 | $ 63,086 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 1,506 | 1,678 | 3,080 | |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | (922) | $ (1,121) | (4,696) | |
| Unrecognized Tax Benefits, Increase Resulting from Acquisition | 1,154 | $ 0 | ||
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 54,300 | |||
| X | ||||||||||
- References No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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