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Balance Sheet Details - Additional Information (Details) - USD ($) $ in Millions |  | 1 Months Ended
--- | --- | ---
Aug. 31, 2023 | Sep. 30, 2023 | Mar. 31, 2022
Balance Sheet Related Disclosures [Abstract] |  |  |
Proceeds loaned under notes receivable |  |  | $ 10.0
First initial repayments of notes receivable due to the company annually |  | $ 1.5 |
Repayments of notes receivable due to the company annually | $ 2.0 | $ 1.7 |

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- Definition First Initial Repayments Of Notes Receivable Due To The Company Annually + References No definition available. + Details
Name: | mxl_FirstInitialRepaymentsOfNotesReceivableDueToTheCompanyAnnually
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Proceeds Loaned Under Notes Receivable + References No definition available. + Details
Name: | mxl_ProceedsLoanedUnderNotesReceivable
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Repayments Of Notes Receivable Due To The Company Annually + References No definition available. + Details
Name: | mxl_RepaymentsOfNotesReceivableDueToTheCompanyAnnually
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration