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Defined Contribution Plan (Details)	12 Months Ended
	Dec. 31, 2014
Defined Contribution Plan [Abstract]
Percent of annual salary that can be contributed	15.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent

X

- Details

Name:	us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration