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The period required for customers to pay in advance of products being shipped by the reporting entity.

No definition available.

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Represents the lapse period for certain consignment arrangement.

No definition available.

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Represents the percentage of revenue generated during the period.

No definition available.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Name:	srt_RangeAxis=srt_MaximumMember
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Name:	us-gaap_BalanceSheetLocationAxis=mpwr_AccruedLiabilitiesCurrentMember
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Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
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Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
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Name:	srt_MajorCustomersAxis=mpwr_DistributorsMember
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