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SEGMENT REPORTING (Reconciliation of Reporting Information from Segments to Consolidated Totals) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Total revenues of reportable segment and consolidated revenues $ 175,628 $ 182,127 $ 170,167
Operating Income      
Total operating income for reportable segments $ 40,644 $ 45,870 37,930
Financing income, net (166)
Other income (expenses) $ 268 $ (856) (4,760)
Consolidated income before taxes on income 41,833 47,574 38,002
Assets      
Current assets 91,705 103,222  
Property and equipment, net 31,514 31,908 32,546
Total assets 142,003 152,337 160,542
Other significant items      
Expenditures for assets 14,871 13,172 12,576
Asset expenditures, reportable segments and unallocated amounts 18,547 15,193 13,963
Depreciation, amortization and impairment for reportable segments 8,788 9,068 9,718
Depreciation and amortization 11,962 12,219 16,196
Reportable Segment [Member]      
Operating Income      
Total operating income for reportable segments 40,644 45,870 37,930
Assets      
Total assets [1] 76,055 78,930 82,297
Other significant items      
Expenditures for assets 14,871 13,172 12,576
Depreciation, amortization and impairment for reportable segments 9,717 9,990 14,338
Unallocated Amounts [Member]      
Operating Income      
Financing income, net $ 1,189 $ 1,704 238
Other income (expenses) (166)
Assets      
Current assets $ 46,119 $ 57,159 61,530
Investments in affiliated and other companies 4,783 1,095 1,511
Property and equipment, net 8,730 7,786 8,644
Other unallocated amounts 6,316 7,367 6,560
Other significant items      
Expenditure for assets unallocated amounts 3,676 2,021 1,387
Depreciation and amortization, unallocated amounts $ 2,245 $ 2,229 $ 1,858
[1] Including goodwill.