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Benefit Plans (Details Textuals) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended
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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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- 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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