Summary of Significant Accounting Policies - Income Taxes (Details) $ in Millions |
3 Months Ended |
|---|---|
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Mar. 31, 2019
USD ($)
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| Income Taxes [Line Items] | |
| Total amount of unrecognized tax benefits relating to uncertain tax positions | $ 38.8 |
| Decrease in the total amount of unrecognized tax benefits relating to uncertain tax positions | (2.3) |
| Maximum | |
| Income Taxes [Line Items] | |
| Reasonably possible reduction to the balance of unrecognized tax benefits in succeeding 12 months | $ 5.9 |
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- Definition Income taxes. No definition available.
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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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