v3.3.1.900

Income Taxes (Tax Credit Carryforwards) (Details) $ in Millions | Dec. 31, 2015 USD ($)
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Tax Credit Carryforward [Line Items] |
Taxable income required for full realization of deferred tax assets | $ 138.8
Federal | Research and development tax credit carryforward |
Tax Credit Carryforward [Line Items] |
Tax credit carryforward | 4.6
State | Research and development tax credit carryforward |
Tax Credit Carryforward [Line Items] |
Tax credit carryforward | $ 3.4

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