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INCOME TAX (Schedule of Income Tax Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |  |
Pretax income | $ 55,546 | $ 50,054 | $ 41,833
Statutory tax rate | 24.00% | 25.00% | 26.50%
Tax computed at the ordinary tax rate | $ 13,331 | $ 12,514 | $ 11,086
Nondeductible expenses (income) | (815) | 766 | 526
Losses in respect of which no deferred taxes were generated (including changes in valuation allowance) | 243 | (151) | 831
Deductible financial expenses recorded to other comprehensive income | (113) | 90 | (439)
Tax adjustment in respect of different tax rates | 3,119 | 2,040 | 1,411
Taxes in respect of withholding at the source from royalties and dividends | 542 | 95 | 78
Adjustment in respect of tax rate deriving from "approved enterprises" | (436) | (501) | (405)
Others | 1,834 | 24 | (266)
Income tax expense (benefit) | $ 17,705 | $ 14,877 | $ 12,822

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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