BENEFIT PLANS (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
BENEFIT PLANS [Abstract]
Percentage of employers contribution (in hundredths)	40.00%
Employer matching contribution (in hundredths)	6.00%
Employer contributions	$ 230,000	$ 253,000	$ 248,000

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration