Benefit Plans (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014 Y	Dec. 31, 2013	Dec. 31, 2012
Benefit Plans [Abstract]
Minimum Hours Of Work Required By Participants	1,000
Minimum Age Of Work Required By Participants	21
Maximum Annual Contributions Per Employee, Percent	60.00%
Cost Recognized	$ 1.9	$ 1.3	$ 1.0

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Defined Contribution Plan Minimum Age Of Work Required By Participants

+ References

No definition available.

+ Details

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- Definition

Defined Contribution Plan Minimum Hours Of Work Required By Participants

+ References

No definition available.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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