XML 52 R59.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Segments and Major Customers (Details 1) - Accounts receivable - Customer Concentration Risk	Dec. 31, 2019	Dec. 31, 2018
Customer 1 [Member]
Concentration Risk
Customer concentration risk	19.00%	39.00%
Customer 2 [Member]
Concentration Risk
Customer concentration risk	14.00%
Customer 3 [Member]
Concentration Risk
Customer concentration risk		12.00%

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_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	srt_MajorCustomersAxis=rmbs_Customer1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=rmbs_Customer2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_MajorCustomersAxis=rmbs_Customer3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: