XML 15 R39.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Segments and Major Customers (Details 1) - Customer Concentration Risk - Accounts Receivable [Member] | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Customer 1 [Member] |  |
Concentration Risk [Line Items] |  |
Customer concentration risk | 62.00% | 50.00%
Customer 2 [Member] |  |
Concentration Risk [Line Items] |  |
Customer concentration risk | 12.00% |
Customer 3 [Member] |  |
Concentration Risk [Line Items] |  |
Customer concentration risk |  | 33.00%

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
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=rmbs_Customer1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=rmbs_Customer2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=rmbs_Customer3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |