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Pension Plan (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Pension Plan [Abstract]
Funded percentage (in percent)	100.00%us-gaap_DefinedBenefitPlanFundedPercentage
Contributions to defined benefit pension plan	$ 24,000us-gaap_DefinedBenefitPlanContributionsByEmployer	$ 27,000us-gaap_DefinedBenefitPlanContributionsByEmployer

X

- Details

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X

- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

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- Definition

Plan assets of a defined benefit plan, as a percentage of projected benefit obligation.

+ References

No definition available.

+ Details

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