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EMPLOYEE BENEFIT PLANS (Detail Textuals) (Multiple employer pension plan, USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Multiple employer pension plan |
Multiemployer Plans [Line Items] |
Cash contribution to plan | $ 170 us-gaap_DefinedBenefitPlanContributionsByEmployer / us-gaap_MultiemployerPlanTypeAxis = us-gaap_MultiemployerPlansPensionMember

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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=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_MultiemployerPlansLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration