SUPPLEMENTARY STATEMENTS OF OPERATIONS INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Financial income (expenses), net
Foreign currency gains (losses), net	$ (3,104)	$ 1,972	$ 688
Bank charges	(199)mbly_BankCharges	(117)mbly_BankCharges	(113)mbly_BankCharges
Loss from sales of marketable securities	(1,139)us-gaap_GainLossOnSaleOfSecuritiesNet	(466)us-gaap_GainLossOnSaleOfSecuritiesNet	(173)us-gaap_GainLossOnSaleOfSecuritiesNet
Financial income (expenses), net, Total	$ (4,442)mbly_FinancialIncomeExpenses	$ 1,389mbly_FinancialIncomeExpenses	$ 402mbly_FinancialIncomeExpenses

The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(h))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 13

-Subparagraph h

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.3)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 3

-Article 7

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