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Balance Sheet Details- Accrued Price Protection Liability (Details 5) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Accrued Price Protection Rebate Activity [Roll Forward] |  |
Beginning balance | $ 21,571 | $ 15,176
Charged as a reduction of revenue | 20,136 | 23,445
Reversal of unclaimed rebates | (2,408) | (40)
Payments | (19,219) | (13,958)
Ending balance | $ 20,080 | $ 24,623

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- Definition Accrued price protection liability. + References No definition available. + Details
Name: | mxl_AccruedPriceProtectionLiability
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Accrued price protection rebate activity + References No definition available. + Details
Name: | mxl_AccruedPriceProtectionRebateActivityRollForward
Namespace Prefix: | mxl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Price protection rebate charges as a reduction of revenue + References No definition available. + Details
Name: | mxl_PriceProtectionRebateCharges
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Price Protection payments + References No definition available. + Details
Name: | mxl_PriceProtectionpayments
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Reversal Of Unclaimed Rebates + References No definition available. + Details
Name: | mxl_ReversalOfUnclaimedRebates
Namespace Prefix: | mxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration