$RMBS
RAMBUS INC Stock $rmbs

$rmbs Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-Q Financial Statement

#000091727323000014 Filed on May 05, 2023

Income Statement

Concept	2023 Q1	2022 Q4
Revenue	$113.8M	$122.4M
YoY Change	14.85%	33.32%
Cost Of Revenue	$31.68M	$33.38M
YoY Change	41.42%	88.21%
Gross Profit	$82.09M	$88.98M
YoY Change	7.09%	20.18%
Gross Profit Margin	72.16%	72.72%
Selling, General & Admin	$30.96M	$27.31M
YoY Change	15.08%	18.22%
% of Gross Profit	37.72%	30.69%
Research & Development	$41.90M	$40.12M
YoY Change	5.23%	10.64%
% of Gross Profit	51.04%	45.09%
Depreciation & Amortization	$8.874M	$12.39M
YoY Change	26.05%	10.61%
% of Gross Profit	10.81%	13.92%
Operating Expenses	$80.14M	$67.85M
YoY Change	17.29%	13.5%
Operating Profit	$1.942M	$21.14M
YoY Change	-76.66%	48.13%
Interest Expense	$381.0K	$351.0K
YoY Change	-37.02%	-131.51%
% of Operating Profit	19.62%	1.66%
Other Income/Expense, Net	$1.540M
YoY Change	-102.08%
Pretax Income	$3.482M	$16.49M
YoY Change	-105.3%	109.89%
Income Tax	$200.0K	$540.0K
% Of Pretax Income	5.74%	3.27%
Net Earnings	$3.281M	$15.95M
YoY Change	-104.95%	161.24%
Net Earnings / Revenue	2.88%	13.03%
Basic Earnings Per Share	$0.03
Diluted Earnings Per Share	$0.03	$0.15
COMMON SHARES
Basic Shares Outstanding	107.9M shares
Diluted Shares Outstanding	111.2M shares

Balance Sheet

Concept	2023 Q1	2022 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$292.1M	$313.2M
YoY Change	-15.0%	-35.5%
Cash & Equivalents	$99.88M	$125.3M
Short-Term Investments	$192.3M	$187.9M
Other Short-Term Assets	$14.60M	$12.02M
YoY Change	18.95%	13.42%
Inventory	$26.18M	$20.90M
Prepaid Expenses
Receivables	$59.41M	$55.37M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$492.8M	$527.2M
YoY Change	-9.6%	-22.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$89.39M	$86.26M
YoY Change	62.64%	53.93%
Goodwill	$292.0M	$292.0M
YoY Change	4.38%	4.75%
Intangibles	$46.94M	$50.88M
YoY Change	-18.56%	-12.91%
Long-Term Investments
YoY Change
Other Assets	$3.631M	$3.809M
YoY Change	9.9%	-10.17%
Total Long-Term Assets	$469.9M	$485.4M
YoY Change	-8.9%	-11.47%
TOTAL ASSETS
Total Short-Term Assets	$492.8M	$527.2M
Total Long-Term Assets	$469.9M	$485.4M
Total Assets	$962.6M	$1.013B
YoY Change	-9.26%	-17.85%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$18.12M	$24.82M
YoY Change	16.58%	120.01%
Accrued Expenses	$20.19M	$25.53M
YoY Change	-13.17%	-5.24%
Deferred Revenue	$20.85M	$23.86M
YoY Change	1.08%	-3.61%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$10.38M
YoY Change	-100.0%	-93.66%
Total Short-Term Liabilities	$96.17M	$126.7M
YoY Change	-42.89%	-52.59%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$45.98M	$46.65M
YoY Change	52.48%	63.84%
Total Long-Term Liabilities	$45.98M	$46.65M
YoY Change	52.48%	63.84%
TOTAL LIABILITIES
Total Short-Term Liabilities	$96.17M	$126.7M
Total Long-Term Liabilities	$45.98M	$46.65M
Total Liabilities	$200.9M	$233.3M
YoY Change	-24.97%	-36.99%
SHAREHOLDERS EQUITY
Retained Earnings	-$521.4M	-$513.3M
YoY Change	9.77%	17.93%
Common Stock	$1.287B	$1.298B
YoY Change	1.12%	-0.12%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$761.7M	$779.3M
YoY Change
Total Liabilities & Shareholders Equity	$962.6M	$1.013B
YoY Change	-9.26%	-17.85%

Cashflow Statement

Concept	2023 Q1	2022 Q4
OPERATING ACTIVITIES
Net Income	$3.281M	$15.95M
YoY Change	-104.95%	161.24%
Depreciation, Depletion And Amortization	$8.874M	$12.39M
YoY Change	26.05%	10.61%
Cash From Operating Activities	$38.91M	$51.29M
YoY Change	-8.7%	-28.93%
INVESTING ACTIVITIES
Capital Expenditures	$7.738M	$4.828M
YoY Change	359.77%	-177.06%
Acquisitions
YoY Change
Other Investing Activities	-$2.967M	-$60.69M
YoY Change	-101.42%	-45.07%
Cash From Investing Activities	-$10.71M	-$65.51M
YoY Change	-105.23%	-43.88%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$54.21M	-2.513M
YoY Change	-69.18%	-487.21%
NET CHANGE
Cash From Operating Activities	$38.91M	51.29M
Cash From Investing Activities	-$10.71M	-65.51M
Cash From Financing Activities	-$54.21M	-2.513M
Net Change In Cash	-$25.82M	-16.74M
YoY Change	-136.24%	-61.89%
FREE CASH FLOW
Cash From Operating Activities	$38.91M	$51.29M
Capital Expenditures	$7.738M	$4.828M
Free Cash Flow	$31.17M	$46.46M
YoY Change	-23.85%	-40.76%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000917273
CY2023Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2023Q1	dei	Amendment Flag AmendmentFlag	false
CY2023Q1	dei	Document Type DocumentType	10-Q
CY2023Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2023Q1	dei	Document Period End Date DocumentPeriodEndDate	2023-03-31
CY2023Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2023Q1	dei	Entity File Number EntityFileNumber	000-22339
CY2023Q1	dei	Entity Registrant Name EntityRegistrantName	RAMBUS INC
CY2023Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-3112828
CY2023Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	4453 North First Street
CY2023Q1	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 100
CY2023Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	San Jose
CY2023Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2023Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	95134
CY2023Q1	dei	City Area Code CityAreaCode	408
CY2023Q1	dei	Local Phone Number LocalPhoneNumber	462-8000
CY2023Q1	dei	Security12b Title Security12bTitle	Common Stock, $.001 Par Value
CY2023Q1	dei	Trading Symbol TradingSymbol	RMBS
CY2023Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2023Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023Q1	dei	Entity Shell Company EntityShellCompany	false
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	108845179	shares
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	99876000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	125334000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	192261000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	187892000	usd
CY2023Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	59408000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	55368000	usd
CY2023Q1	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	100435000	usd
CY2022Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	125698000	usd
CY2023Q1	us-gaap	Inventory Net InventoryNet	26180000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	20900000	usd
CY2023Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	14603000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	12022000	usd
CY2023Q1	us-gaap	Assets Current AssetsCurrent	492763000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	527214000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	46936000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	50880000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	292040000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	292040000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	89393000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	86255000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22696000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	24143000	usd
CY2023Q1	rmbs	Deferred Tax Assets Long Term DeferredTaxAssetsLongTerm	2623000	usd
CY2022Q4	rmbs	Deferred Tax Assets Long Term DeferredTaxAssetsLongTerm	3031000	usd
CY2023Q1	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	12548000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	25222000	usd
CY2023Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3631000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3809000	usd
CY2023Q1	us-gaap	Assets Assets	962630000	usd
CY2022Q4	us-gaap	Assets Assets	1012594000	usd
CY2023Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	18117000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	24815000	usd
CY2023Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	15906000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	20502000	usd
CY2023Q1	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	0	usd
CY2022Q4	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	10378000	usd
CY2023Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	20846000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	23861000	usd
CY2023Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	15669000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	18137000	usd
CY2023Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4287000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5024000	usd
CY2023Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	21349000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	23992000	usd
CY2023Q1	us-gaap	Liabilities Current LiabilitiesCurrent	96174000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	126709000	usd
CY2023Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	28127000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	29079000	usd
CY2023Q1	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	3963000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	5892000	usd
CY2023Q1	rmbs	Deferred Tax Liabilities Long Term DeferredTaxLiabilitiesLongTerm	26658000	usd
CY2022Q4	rmbs	Deferred Tax Liabilities Long Term DeferredTaxLiabilitiesLongTerm	24964000	usd
CY2023Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	45979000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	46653000	usd
CY2023Q1	us-gaap	Liabilities Liabilities	200901000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	233297000	usd
CY2023Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2023Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
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CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	108845179	shares
CY2023Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	108845179	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	107610356	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	107610356	shares
CY2023Q1	us-gaap	Common Stock Value CommonStockValue	109000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	108000	usd
CY2023Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1286570000	usd
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CY2023Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-521415000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-513256000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3535000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4963000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	761729000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	779297000	usd
CY2023Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	962630000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1012594000	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	113762000	usd
CY2022Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	99050000	usd
CY2023Q1	rmbs	Costof Product Revenue CostofProductRevenue	26423000	usd
CY2022Q1	rmbs	Costof Product Revenue CostofProductRevenue	18397000	usd
CY2023Q1	rmbs	Costof Contractand Other Revenue CostofContractandOtherRevenue	1691000	usd
CY2022Q1	rmbs	Costof Contractand Other Revenue CostofContractandOtherRevenue	624000	usd
CY2023Q1	rmbs	Amortizationofacquiredintangibleassetscostofrevenue Amortizationofacquiredintangibleassetscostofrevenue	3562000	usd
CY2022Q1	rmbs	Amortizationofacquiredintangibleassetscostofrevenue Amortizationofacquiredintangibleassetscostofrevenue	3378000	usd
CY2023Q1	us-gaap	Cost Of Revenue CostOfRevenue	31676000	usd
CY2022Q1	us-gaap	Cost Of Revenue CostOfRevenue	22399000	usd
CY2023Q1	us-gaap	Gross Profit GrossProfit	82086000	usd
CY2022Q1	us-gaap	Gross Profit GrossProfit	76651000	usd
CY2023Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	41898000	usd
CY2022Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39815000	usd
CY2023Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	30964000	usd
CY2022Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	26906000	usd
CY2023Q1	rmbs	Amortizationofacquiredintangibleassetsoperatingexpenses Amortizationofacquiredintangibleassetsoperatingexpenses	382000	usd
CY2022Q1	rmbs	Amortizationofacquiredintangibleassetsoperatingexpenses Amortizationofacquiredintangibleassetsoperatingexpenses	409000	usd
CY2023Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	6900000	usd
CY2022Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1200000	usd
CY2023Q1	us-gaap	Operating Expenses OperatingExpenses	80144000	usd
CY2022Q1	us-gaap	Operating Expenses OperatingExpenses	68330000	usd
CY2023Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	1942000	usd
CY2022Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	8321000	usd
CY2023Q1	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2161000	usd
CY2022Q1	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1360000	usd
CY2023Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-66497000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-240000	usd
CY2022Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-8283000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	381000	usd
CY2022Q1	us-gaap	Interest Expense InterestExpense	605000	usd
CY2023Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1540000	usd
CY2022Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-74025000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3482000	usd
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-65704000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	201000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	514000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	3281000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-66218000	usd
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.60
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.60
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108277000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109889000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111153000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109889000	shares
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	3281000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-66218000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	205000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-293000	usd
CY2023Q1	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	1223000	usd
CY2022Q1	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2568000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4709000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-69079000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	779297000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	3281000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	205000	usd
CY2023Q1	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	1223000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-29905000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13063000	usd
CY2023Q1	rmbs	Stock Issued During Period Value Payment Of Earn Out Related To Acquisition StockIssuedDuringPeriodValuePaymentOfEarnOutRelatedToAcquisition	5022000	usd
CY2023Q1	rmbs	Adjustments To Additional Paid In Capital Retirement Of Warrants AdjustmentsToAdditionalPaidInCapitalRetirementOfWarrants	10457000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	761729000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	862396000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-66218000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-293000	usd
CY2022Q1	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-2568000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-15500000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7778000	usd
CY2022Q1	rmbs	Adjustments To Additional Paid In Capital Retirement Of Convertible Senior Note Hedges AdjustmentsToAdditionalPaidInCapitalRetirementOfConvertibleSeniorNoteHedges	-62011000	usd
CY2022Q1	rmbs	Adjustments To Additional Paid In Capital Retirement Of Warrants AdjustmentsToAdditionalPaidInCapitalRetirementOfWarrants	46356000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	793126000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	3281000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-66218000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	13063000	usd
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	7778000	usd
CY2023Q1	us-gaap	Depreciation Depreciation	8874000	usd
CY2022Q1	us-gaap	Depreciation Depreciation	7040000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3944000	usd
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3786000	usd
CY2023Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3000	usd
CY2022Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	105000	usd
CY2023Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-66497000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-240000	usd
CY2022Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-8283000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2102000	usd
CY2022Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	648000	usd
CY2023Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-362000	usd
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-324000	usd
CY2023Q1	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	0	usd
CY2022Q1	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-688000	usd
CY2023Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	6900000	usd
CY2022Q1	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1200000	usd
CY2023Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
CY2022Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4039000	usd
CY2022Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7167000	usd
CY2023Q1	rmbs	Increase Decrease In Contract With Customer Passage Of Time Asset IncreaseDecreaseInContractWithCustomerPassageOfTimeAsset	-37937000	usd
CY2022Q1	rmbs	Increase Decrease In Contract With Customer Passage Of Time Asset IncreaseDecreaseInContractWithCustomerPassageOfTimeAsset	-33511000	usd
CY2023Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3285000	usd
CY2022Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	663000	usd
CY2023Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5280000	usd
CY2022Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2318000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-8805000	usd
CY2022Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1104000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-7547000	usd
CY2022Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-6853000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-4396000	usd
CY2022Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-4311000	usd
CY2023Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-2759000	usd
CY2022Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-4152000	usd
CY2023Q1	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	1689000	usd
CY2022Q1	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	1298000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	38906000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	42614000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7738000	usd
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1683000	usd
CY2023Q1	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	usd
CY2022Q1	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3000000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	45561000	usd
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	39433000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	18134000	usd
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	44781000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	24460000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	204091000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-10705000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	204756000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	771000	usd
CY2022Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	321000	usd
CY2023Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	30676000	usd
CY2022Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15821000	usd
CY2023Q1	rmbs	Payments Under Installment PaymentsUnderInstallment	3227000	usd
CY2022Q1	rmbs	Payments Under Installment PaymentsUnderInstallment	3220000	usd
CY2023Q1	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	10381000	usd
CY2022Q1	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	174454000	usd
CY2023Q1	rmbs	Proceeds From Retirement Of Convertible Senior Note Hedges ProceedsFromRetirementOfConvertibleSeniorNoteHedges	0	usd
CY2022Q1	rmbs	Proceeds From Retirement Of Convertible Senior Note Hedges ProceedsFromRetirementOfConvertibleSeniorNoteHedges	72415000	usd
CY2023Q1	rmbs	Payments For Retirement Of Warrants PaymentsForRetirementOfWarrants	10697000	usd
CY2022Q1	rmbs	Payments For Retirement Of Warrants PaymentsForRetirementOfWarrants	55148000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-54210000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-175907000	usd
CY2023Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	191000	usd
CY2022Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-224000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-25818000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	71239000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	125694000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	108264000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	99876000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	179503000	usd
CY2023Q1	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	37534000	usd
CY2022Q1	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	14238000	usd
CY2023Q1	rmbs	Stock Issued During Period Value Payment Of Earn Out Related To Acquisition StockIssuedDuringPeriodValuePaymentOfEarnOutRelatedToAcquisition	5022000	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	99876000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	125334000	usd
CY2023Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	360000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	99876000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	125694000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	302485000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	46936000	usd
CY2023Q1	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	112983000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	150920000	usd
CY2023Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	22661000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	25421000	usd
CY2023Q1	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	11600000	usd
CY2022Q1	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	11700000	usd
CY2023Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	24800000	usd
CY2023Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y
CY2022Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	349421000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	3281000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-66218000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108277000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	109889000	shares
CY2023Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2876000	shares
CY2022Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111153000	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	109889000	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.60
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.60
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	298541000	usd
CY2022Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3445000	shares
CY2022Q4	us-gaap	Goodwill Goodwill	292040000	usd
CY2023Q1	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	0	usd
CY2023Q1	us-gaap	Goodwill Goodwill	292040000	usd
CY2023Q1	us-gaap	Goodwill Gross GoodwillGross	313810000	usd
CY2023Q1	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	21770000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	292040000	usd
CY2023Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	349421000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	50880000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3900000	usd
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3800000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	11490000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	12722000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6683000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4365000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	476000	usd
CY2023Q1	rmbs	Intangible Asset Amortization Expense After Year Four IntangibleAssetAmortizationExpenseAfterYearFour	0	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	35736000	usd
CY2023Q1	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	11200000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	46936000	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	113762000	usd
CY2022Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	99050000	usd
CY2023Q1	rmbs	Maximum Maturity Period Available For Sale Securities MaximumMaturityPeriodAvailableForSaleSecurities	P3Y
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	209345000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	211738000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	20000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2413000	usd
CY2023Q1	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	82792000	usd
CY2023Q1	us-gaap	Cash Cash	82792000	usd
CY2023Q1	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	292137000	usd
CY2023Q1	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	294530000	usd
CY2023Q1	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	20000	usd
CY2023Q1	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	2413000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	218489000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	222105000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	8000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	3624000	usd
CY2022Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	94737000	usd
CY2022Q4	us-gaap	Cash Cash	94737000	usd
CY2022Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	313226000	usd
CY2022Q4	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	316842000	usd
CY2022Q4	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	8000	usd
CY2022Q4	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	3624000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	209345000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	218489000	usd
CY2023Q1	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	82792000	usd
CY2022Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	94737000	usd
CY2023Q1	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	292137000	usd
CY2022Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	313226000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	59550000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	74431000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	50000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	58000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	102177000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	112147000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2363000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3566000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	161727000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	186578000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2413000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	3624000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	170602000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	25654000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	196256000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	4459000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5292000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5360000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5588000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4750000	usd
CY2023Q1	rmbs	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	12999000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	38448000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	6034000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	32414000	usd
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.054
CY2023Q1	us-gaap	Lease Cost LeaseCost	1900000	usd
CY2022Q1	us-gaap	Lease Cost LeaseCost	1900000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	2200000	usd
CY2022Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	2300000	usd
CY2023Q1	rmbs	Payments For Retirement Of Warrants PaymentsForRetirementOfWarrants	10700000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-200000	usd
CY2023Q1	us-gaap	Contractual Obligation ContractualObligation	48694000	usd
CY2023Q1	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	20702000	usd
CY2023Q1	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	19559000	usd
CY2023Q1	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	8433000	usd
CY2023Q1	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	0	usd
CY2023Q1	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	0	usd
CY2023Q1	rmbs	Unrecognizedtaxbenefitexcludingforeigntaxwithholdings Unrecognizedtaxbenefitexcludingforeigntaxwithholdings	21100000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	200000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	500000	usd
CY2023Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	5400000	usd
CY2022Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	5000000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	169900000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	150100000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	164500000	usd

Files In Submission

Name	View Source	Status
0000917273-23-000014-index-headers.html	Edgar Link	pending
0000917273-23-000014-index.html	Edgar Link	pending
0000917273-23-000014.txt	Edgar Link	pending
0000917273-23-000014-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
picture1.jpg	Edgar Link	pending
picture2.jpg	Edgar Link	pending
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R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
rmbs-20230331.htm	Edgar Link	pending
rmbs-20230331.xsd	Edgar Link	pending
rmbs-ex101_2023331x10q.htm	Edgar Link	pending
rmbs-ex311_2023331x10q.htm	Edgar Link	pending
rmbs-ex312_2023331x10q.htm	Edgar Link	pending
rmbs-ex321_2023331x10q.htm	Edgar Link	pending
rmbs-ex322_2023331x10q.htm	Edgar Link	pending
Show.js	Edgar Link	pending
rmbs-20230331_cal.xml	Edgar Link	unprocessable
rmbs-20230331_def.xml	Edgar Link	unprocessable
rmbs-20230331_lab.xml	Edgar Link	unprocessable
rmbs-20230331_pre.xml	Edgar Link	unprocessable
rmbs-20230331_htm.xml	Edgar Link	completed

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$RMBS
RAMBUS INC Stock $rmbs

2023 Q1 Form 10-Q Financial Statement

#000091727323000014 Filed on May 05, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS RAMBUS INC Stock $rmbs

2023 Q1 Form 10-Q Financial Statement

#000091727323000014 Filed on May 05, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS
RAMBUS INC Stock $rmbs