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Related Party Transaction (Details) (LHT, USD $) In Thousands, unless otherwise specified | Mar. 21, 2013
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LHT |
Related Party Transaction |
Initial term of agreement | 5 years
Automatic extension term | 2 years
Expected minimum annual payment from related party | $ 120

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- Definition Related Party Transactions, Automatic Extension Term to Agreement + References No definition available. + Details
Name: | rmbs_RelatedPartyTransactionsExtensionToAgreement
Namespace Prefix: | rmbs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Definition Related Party Transactions, Initial Term of Agreement + References No definition available. + Details
Name: | rmbs_RelatedPartyTransactionsInitialTermOfAgreement
Namespace Prefix: | rmbs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Definition Minimum annual amount to be received from transactions with related parties. + References No definition available. + Details
Name: | rmbs_RelatedPartyTransactionsMinimumAnnualReceivables
Namespace Prefix: | rmbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration