XML 27 R57.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Segments and Major Customers (Details 1) (Accounts Receivable [Member], Customer Concentration Risk) | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Customer 1 [Member] |  |
Concentration Risk |  |
Customer concentration risk | 33.00%rmbs_Customerconcentrationrisk / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = rmbs_Customer1Member |
Customer 2 [Member] |  |
Concentration Risk |  |
Customer concentration risk | 50.00%rmbs_Customerconcentrationrisk / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = rmbs_Customer2Member | 73.00%rmbs_Customerconcentrationrisk / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = rmbs_Customer2Member

X
- Definition Customer concentration risk + References No definition available. + Details
Name: | rmbs_Customerconcentrationrisk
Namespace Prefix: | rmbs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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