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INTANGIBLE ASSETS, NET (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | $ 17,370 | $ 17,370 |
Accumulated amortization | 15,826 | 14,178 |
Intangible assets, net | 1,544 | 3,192 |
Amortization expense | 1,648 | 1,865 | $ 2,121
Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | 8,600 | 8,600 |
Accumulated amortization | 7,314 | 6,082 |
Trademarks [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | 800 | 800 |
Accumulated amortization | $ 800 | 800 |
Useful lives | 2 years |  |
Customer Relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Original amount | $ 7,970 | 7,970 |
Accumulated amortization | $ 7,712 | $ 7,296 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: 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=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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