Amount of the collateral pledged in support of bank guarantees.

No definition available.

Name:	mbly_DebtObligationsCollateralPledgedForBankGuarantees
Namespace Prefix:	mbly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents marketable securities percentage amount.

+ References

No definition available.

+ Details

Name:	mbly_MarketableSecuritiesPercentageAmount
Namespace Prefix:	mbly_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents maximum investable portfolio invested in single issuer debt securities.

+ References

No definition available.

+ Details

Name:	mbly_MaximumInvestablePortfolioInvestedInSingleIssuer
Namespace Prefix:	mbly_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents percentage of earnings per share.

+ References

No definition available.

+ Details

Name:	mbly_PercentageOfEarningsPerShare
Namespace Prefix:	mbly_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents provision for warranty.

+ References

No definition available.

+ Details

Name:	mbly_ProvisionForWarranty
Namespace Prefix:	mbly_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This element represents Research and development reimbursements offset amount.

+ References

No definition available.

+ Details

Name:	mbly_ResearchAndDevelopmentReimbursementsOffsetAmount
Namespace Prefix:	mbly_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

+ Details

Name:	us-gaap_AdvertisingExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_NorthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_EuropeanUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=mbly_OtherGeographicLocatedIssuersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=mbly_FinancialInstitutesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=mbly_DebtSecuritiesOfCorporationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Advertising expenses	$ 1,455	$ 1,904	$ 973
Concentration Risk [Line Items]
Short-term and restricted bank deposits	3,200	3,100
Allowance for doubtful accounts	45	50
Research and development reimbursements offset	$ 13,533	12,615	$ 9,884
Percentage of earnings distributed used for calculation under the two-class method	100.00%
Provision for warranty	$ 816	$ 558
North America
Concentration Risk [Line Items]
Maximum investable portfolio invested	68.00%
European union
Concentration Risk [Line Items]
Maximum investable portfolio invested	18.00%
Other geographic located issuers
Concentration Risk [Line Items]
Maximum investable portfolio invested	14.00%
US Government Agencies Debt Securities
Concentration Risk [Line Items]
Marketable securities percentage amount	6.00%
Financial Institutes Debt Securities
Concentration Risk [Line Items]
Marketable securities percentage amount	39.00%
Debt securities of corporations
Concentration Risk [Line Items]
Marketable securities percentage amount	55.00%