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Recently Adopted Accounting Standards (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2017 | Sep. 30, 2017
Accounting Changes and Error Corrections [Abstract] |  |
Excess tax benefit due to adoption of ASU 2016-09, amount | $ 0.0 | $ 1.0

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- Definition Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount + References No definition available. + Details
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- References No definition available. + Details
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