SIGNIFICANT ACCOUNTING POLICIES (Employee Related Benefits) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Severance expenses	$ 2,652,000us-gaap_SeveranceCosts1	$ 2,881,000us-gaap_SeveranceCosts1	$ 2,802,000us-gaap_SeveranceCosts1
Employer contributions to benefit plan per dollar contributed by employee	1
Employer match percentage	3.00%
Additional employer contributions to benefit plan per dollar contributed by employee	500
Contributions to employee benefits plan	$ 311,000	$ 317,000	$ 351,000
Additional employer matching percentage	3.00%

Defined Contribution Plan Additional Employer Matching Contribution Amount Per Dollar Employee Contributes

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- Definition

Defined Contribution Plan Additional Employer Matching Contribution Percent

+ References

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- Definition

Defined Contribution Plan Employer Matching Contribution Amount Per Dollar Employee Contributes

+ References

No definition available.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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- Definition

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

+ References

No definition available.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

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-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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-Name Accounting Standards Codification

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-SubTopic 10

-Section S99

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

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-Subparagraph (SAB TOPIC 5.P.3)

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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-Publisher FASB

-Name Accounting Standards Codification

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