Income Taxes Unrecognized tax expense (benefit) roll forward (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Income Tax Disclosure [Abstract] | ||||
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | $ 23,417 | $ 26,053 | $ 10,808 | $ 5,462 |
| Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 2,025 | 2,585 | 3,158 | |
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 13,733 | $ 2,188 | ||
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | $ 4,661 | $ (1,073) | ||
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- References No definition available.
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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/presentationRef
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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/presentationRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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