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Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Taxes [Line Items]
U.S. federal statutory tax rate (as a percent)	35.00%	35.00%	35.00%	35.00%
Unrecognized Tax Benefits	$ 0.8		$ 0.8		$ 0.7

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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