Income Taxes Unrecognized tax expense (benefit) roll forward (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Income Tax Disclosure [Abstract] | ||||
| Unrecognized Tax Benefits | $ 62,027 | $ 61,470 | $ 63,086 | $ 23,417 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 1,678 | 3,080 | 3,037 | |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 1,121 | $ (4,696) | (458) | |
| Unrecognized Tax Benefits, Increase Resulting from Acquisition | $ 37,090 | |||
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 52,700 | |||
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
|
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|