CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues:
Products	$ 157,531us-gaap_SalesRevenueGoodsNet	$ 133,554us-gaap_SalesRevenueGoodsNet	$ 155,691us-gaap_SalesRevenueGoodsNet
Services	77,602us-gaap_SalesRevenueServicesNet	101,312us-gaap_SalesRevenueServicesNet	115,875us-gaap_SalesRevenueServicesNet
Total revenues	235,133us-gaap_Revenues	234,866us-gaap_Revenues	271,566us-gaap_Revenues
Cost of revenues:
Products	106,905us-gaap_CostOfGoodsSold	86,304us-gaap_CostOfGoodsSold	96,805us-gaap_CostOfGoodsSold
Services	44,593us-gaap_CostOfServices	68,906us-gaap_CostOfServices	76,832us-gaap_CostOfServices
Total cost of revenues	151,498us-gaap_CostOfRevenue	155,210us-gaap_CostOfRevenue	173,637us-gaap_CostOfRevenue
Gross profit	83,635us-gaap_GrossProfit	79,656us-gaap_GrossProfit	97,929us-gaap_GrossProfit
Operating expenses:
Research and development, net	25,158us-gaap_ResearchAndDevelopmentExpense	27,900us-gaap_ResearchAndDevelopmentExpense	29,241us-gaap_ResearchAndDevelopmentExpense
Selling and marketing	32,537us-gaap_SellingAndMarketingExpense	32,214us-gaap_SellingAndMarketingExpense	34,988us-gaap_SellingAndMarketingExpense
General and administrative	20,903us-gaap_GeneralAndAdministrativeExpense	23,071us-gaap_GeneralAndAdministrativeExpense	23,618us-gaap_GeneralAndAdministrativeExpense
Restructuring costs		564us-gaap_RestructuringCosts	315us-gaap_RestructuringCosts
Impairment of goodwill and intangible assets			31,879
Total operating expenses	78,598us-gaap_OperatingExpenses	83,749us-gaap_OperatingExpenses	120,041us-gaap_OperatingExpenses
Operating income (loss)	5,037us-gaap_OperatingIncomeLoss	(4,093)us-gaap_OperatingIncomeLoss	(22,112)us-gaap_OperatingIncomeLoss
Financial expenses, net	(3,837)gilt_FinancialIncomeExpensesNet	(6,239)gilt_FinancialIncomeExpensesNet	(3,432)gilt_FinancialIncomeExpensesNet
Other income			2,729us-gaap_OtherNonoperatingIncomeExpense
Income (loss) before taxes on income	1,200	(10,332)	(22,815)
Taxes on income (tax benefit)	1,901us-gaap_IncomeTaxExpenseBenefit	(755)us-gaap_IncomeTaxExpenseBenefit	(1,893)us-gaap_IncomeTaxExpenseBenefit
Net loss from continuing operations	(701)	(9,577)	(20,922)
Net loss from discontinued operations	(795)	(8,320)	(2,270)
Net loss	$ (1,496)us-gaap_NetIncomeLoss	$ (17,897)us-gaap_NetIncomeLoss	$ (23,192)us-gaap_NetIncomeLoss
Net loss per share (basic and diluted):
Continuing operations	$ (0.02)	$ (0.23)	$ (0.51)
Discontinued operations	$ (0.02)	$ (0.20)	$ (0.05)
Total loss per share	$ (0.04)us-gaap_EarningsPerShareBasicAndDiluted	$ (0.43)us-gaap_EarningsPerShareBasicAndDiluted	$ (0.56)us-gaap_EarningsPerShareBasicAndDiluted
Weighted average number of shares used in computing net loss per share:
Basic and diluted	42,444,482	41,960,925	41,410,409

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