Subsequent Event (Details) - Line of credit - Revolving Credit Facility - USD ($) $ in Millions	Oct. 16, 2026	Apr. 22, 2026
June 2021 Credit Agreement, Second Amendment
Subsequent Event [Line Items]
Debt covenant, unrestricted cash plus available and undrawn commitments, minimum		$ 80.0
Subsequent Event \| June 23, 2021 Credit Agreement, Third Amendment
Subsequent Event [Line Items]
Credit facility, incremental borrowing capacity	$ 70.0
Credit facility, maximum borrowing capacity	200.0
Debt covenant, unrestricted cash plus available and undrawn commitments, minimum	$ 60.0

Debt Instrument, Covenant, Unrestricted Cash Plus Available And Undrawn Commitments, Minimum

No definition available.

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Namespace Prefix:	mxl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Facility, Incremental Borrowing Capacity

+ References

No definition available.

+ Details

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Namespace Prefix:	mxl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

+ Details

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Period Type:	duration

- Details

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- Details

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Balance Type:
Period Type:

- Details

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- Details

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- Details

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