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Operations and Significant Accounting Policies - New Accounting Standards (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Accounting Standards Update 2016-09 [Member] | Income Tax Expense (Benefit) [Member] | Maximum [Member]
New Accounting Standards [Line Items]
Effect of the Adoption	$ 1.0

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Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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