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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (4,368) |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 28 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 94 |  |
Other comprehensive income (loss) | (122) |  | (166)
Accumulated Other Comprehensive Income (Loss), Net of Tax | (4,246) |  |
Unrealized gain (loss) on marketable securities [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (24) |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 28 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0 |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | 28 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | 4 |  |
Actuarial loss on retirement plan [Member] |  |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (4,344) | [1] |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 0 |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 94 |  | 169
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax | 94 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (4,250) |  |
[1] | Refer to Note 11: Supplemental Executive Retirement Plan.

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e681-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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