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

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

Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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