XML 80 R70.htm IDEA: XBRL DOCUMENT v3.22.2.2

Stockholders' Equity (Details 2) - USD ($) $ in Thousands, shares in Millions	3 Months Ended					9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2022	Sep. 30, 2021
Accelerated share repurchases
Repurchase and retirement of common stock under repurchase program	$ 100,412		$ 13			$ 100,412	$ 100,081
2020 Accelerated share repurchase program
Accelerated share repurchases
Accelerated share repurchase program, upfront payment					$ 50,000
Repurchase and retirement of common stock under repurchase program (in shares)				(0.1)	(2.6)
Repurchase and retirement of common stock under repurchase program					$ (40,000)
Remaining initial payment, unsettled forward contract indexed to Company's stock					$ 10,000
2021 Accelerated share repurchase program
Accelerated share repurchases
Accelerated share repurchase program, upfront payment				$ 100,000
Repurchase and retirement of common stock under repurchase program (in shares)		(0.4)		(3.9)
Repurchase and retirement of common stock under repurchase program				$ (80,000)
Remaining initial payment, unsettled forward contract indexed to Company's stock				$ 20,000
2022 Accelerated share repurchase program
Accelerated share repurchases
Accelerated share repurchase program, upfront payment	$ 100,000
Repurchase and retirement of common stock under repurchase program (in shares)	(3.1)
Repurchase and retirement of common stock under repurchase program	$ (80,000)
Remaining initial payment, unsettled forward contract indexed to Company's stock	$ 20,000

X

- Definition

Unsettled Forward Contract Indexed to Issuers Stock Classified within Stock

+ References

No definition available.

+ Details

Name:	rmbs_UnsettledForwardContractIndexedToIssuersStockClassifiedWithinStock
Namespace Prefix:	rmbs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Upfront Payment Under Accelerated Stock Repurchase Program

+ References

No definition available.

+ Details

Name:	rmbs_UpfrontPaymentUnderAcceleratedStockRepurchaseProgram
Namespace Prefix:	rmbs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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_AcceleratedShareRepurchasesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	rmbs_AcceleratedShareRepurchaseProgramAxis=rmbs_A2020AcceleratedShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	rmbs_AcceleratedShareRepurchaseProgramAxis=rmbs_A2021AcceleratedShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	rmbs_AcceleratedShareRepurchaseProgramAxis=rmbs_A2022AcceleratedShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: