EMPLOYEE BENEFIT PLANS (Additional Information) (Details) (USD $)	6 Months Ended	12 Months Ended
Jun. 30, 2013	Dec. 31, 2012
Additional contributions to benefit plan	$ 101,000
Pension Plan, Defined Benefit [Member]
Estimated future employer contributions in next fiscal year	110,000	211,000
Supplemental Employee Retirement Plan, Defined Benefit [Member]
Estimated future employer contributions in next fiscal year	$ 80,000	$ 80,000

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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