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Benefit Plans (Details Textuals) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2013	Jun. 30, 2014
Pension Plans, Defined Benefit [Member]
Benefit Plans (Textuals) [Abstract]
Contribution to benefit plan	$ 5,295
Expected contribution to benefit plans for remainder of fiscal year		1,400
Retiree Health Care Benefits [Member]
Benefit Plans (Textuals) [Abstract]
Contribution to benefit plan	100
Expected contribution to benefit plans for remainder of fiscal year		$ 150

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- Details

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- 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=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period.

+ References

No definition available.

+ Details

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