RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions	Jul. 11, 2018	Jun. 19, 2018
Related Party Transaction [Line Items]
Ownership percentage by noncontrolling interest		10.30%
Starboard Value, LP \| Settlement Agreement
Related Party Transaction [Line Items]
Maximum reimbursement		$ 2.0
Costs paid to related party	$ 2.0

Related Party Transaction, Due From (To) Related Party, Reimbursement Maximum

No definition available.

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Namespace Prefix:	mlnx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

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- 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

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- Details

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- Details

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