$RMBS
RAMBUS INC Stock $rmbs

$rmbs Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000091727321000028 Filed on November 05, 2021

Income Statement

Concept	2021 Q3	2020 Q4	2020 Q3
Revenue	$81.28M	$61.91M	$56.92M
YoY Change	42.81%	3.28%	-0.84%
Cost Of Revenue	$18.43M	$13.45M	$15.26M
YoY Change	20.72%	-7.72%	21.39%
Gross Profit	$62.86M	$48.46M	$41.65M
YoY Change	50.91%	6.81%	-7.08%
Gross Profit Margin	77.33%	78.27%	73.18%
Selling, General & Admin	$22.21M	$22.10M	$20.18M
YoY Change	10.05%	3.76%	-23.9%
% of Gross Profit	35.33%	45.6%	48.46%
Research & Development	$35.59M	$34.80M	$33.73M
YoY Change	5.51%	-5.43%	-18.69%
% of Gross Profit	56.62%	71.81%	80.99%
Depreciation & Amortization	$11.04M	$13.50M	$10.80M
YoY Change	2.24%	18.42%	13.68%
% of Gross Profit	17.57%	27.86%	25.93%
Operating Expenses	$58.16M	$59.47M	$54.15M
YoY Change	7.41%	1.51%	-20.01%
Operating Profit	$4.695M	-$11.00M	-$12.50M
YoY Change	-137.56%	-16.71%	-45.35%
Interest Expense	$2.672M	$800.0K	$2.586M
YoY Change	3.33%	-78.95%	3.56%
% of Operating Profit	56.91%
Other Income/Expense, Net	$54.00K		$968.0K
YoY Change	-94.42%		-77.12%
Pretax Income	$4.749M	-$7.500M	-$11.53M
YoY Change	-141.18%	50.0%	-38.14%
Income Tax	$1.100M	$1.500M	$1.200M
% Of Pretax Income	23.16%
Net Earnings	$3.676M	-$12.07M	-$12.74M
YoY Change	-128.86%	26.58%	-26.51%
Net Earnings / Revenue	4.52%	-19.49%	-22.38%
Basic Earnings Per Share	$0.03		-$0.11
Diluted Earnings Per Share	$0.03	-$78.97K	-$0.11
COMMON SHARES
Basic Shares Outstanding	109.0M shares	112.7M shares	113.8M shares
Diluted Shares Outstanding	113.7M shares	112.7M shares	113.8M shares

Balance Sheet

Concept	2021 Q3	2020 Q4	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$419.7M	$502.6M	$520.2M
YoY Change	-19.31%	23.29%	53.91%
Cash & Equivalents	$151.9M	$129.0M	$89.48M
Short-Term Investments	$267.9M	$373.7M	$430.7M
Other Short-Term Assets	$11.99M	$15.90M	$16.20M
YoY Change	-25.98%	-14.05%	-81.38%
Inventory	$8.085M	$14.47M	$14.22M
Prepaid Expenses
Receivables	$46.67M	$27.90M	$33.03M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$624.8M	$699.7M	$725.0M
YoY Change	-13.83%	5.27%	10.45%
LONG-TERM ASSETS
Property, Plant & Equipment	$51.52M	$57.69M	$59.43M
YoY Change	-13.31%	29.03%	54.07%
Goodwill	$279.1M	$183.2M	$183.2M
YoY Change	52.32%	-0.13%	11.39%
Intangibles	$62.43M	$36.49M	$41.05M
YoY Change	52.08%	-33.54%	16.09%
Long-Term Investments		$2.800M	$3.100M
YoY Change		-22.22%	-20.51%
Other Assets	$4.359M	$4.535M	$4.671M
YoY Change	-6.68%	-23.54%	-26.8%
Total Long-Term Assets	$577.9M	$551.7M	$584.0M
YoY Change	-1.04%	-18.18%	-9.23%
TOTAL ASSETS
Total Short-Term Assets	$624.8M	$699.7M	$725.0M
Total Long-Term Assets	$577.9M	$551.7M	$584.0M
Total Assets	$1.203B	$1.251B	$1.309B
YoY Change	-8.12%	-6.54%	0.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$13.28M	$8.993M	$13.32M
YoY Change	-0.32%	-5.82%	41.3%
Accrued Expenses	$21.83M	$28.10M	$20.30M
YoY Change	7.55%	5.64%	-1.93%
Deferred Revenue	$20.32M	$10.20M	$14.95M
YoY Change	35.95%	-14.64%	57.1%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$0.00	$0.00
YoY Change
Total Short-Term Liabilities	$95.18M	$85.86M	$90.88M
YoY Change	4.72%	-0.37%	2.93%
LONG-TERM LIABILITIES
Long-Term Debt	$161.7M	$156.0M	$154.2M
YoY Change	4.89%	4.84%	4.9%
Other Long-Term Liabilities	$17.83M	$6.894M	$8.714M
YoY Change	104.61%	-64.23%	-69.98%
Total Long-Term Liabilities	$17.83M	$6.894M	$8.714M
YoY Change	104.61%	-64.23%	-69.98%
TOTAL LIABILITIES
Total Short-Term Liabilities	$95.18M	$85.86M	$90.88M
Total Long-Term Liabilities	$17.83M	$6.894M	$8.714M
Total Liabilities	$354.8M	$338.7M	$350.8M
YoY Change	1.15%	-7.98%	3.61%
SHAREHOLDERS EQUITY
Retained Earnings	-$422.7M	-$357.8M	-$321.8M
YoY Change	31.37%	23.26%	14.63%
Common Stock	$1.271B	$1.271B	$1.280B
YoY Change	-0.72%	0.74%	2.05%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$847.8M	$912.7M	$965.8M
YoY Change
Total Liabilities & Shareholders Equity	$1.203B	$1.251B	$1.309B
YoY Change	-8.12%	-6.54%	0.71%

Cashflow Statement

Concept	2021 Q3	2020 Q4	2020 Q3
OPERATING ACTIVITIES
Net Income	$3.676M	-$12.07M	-$12.74M
YoY Change	-128.86%	26.58%	-26.51%
Depreciation, Depletion And Amortization	$11.04M	$13.50M	$10.80M
YoY Change	2.24%	18.42%	13.68%
Cash From Operating Activities	$46.00M	$42.10M	$44.10M
YoY Change	4.3%	-1.86%	71.6%
INVESTING ACTIVITIES
Capital Expenditures	-$2.260M	-$8.900M	-$8.000M
YoY Change	-71.75%	286.96%	471.43%
Acquisitions
YoY Change
Other Investing Activities	-$93.07M	$64.60M	-$46.70M
YoY Change	99.3%	-328.27%	5.18%
Cash From Investing Activities	-$95.33M	$55.70M	-$54.70M
YoY Change	74.28%	-282.03%	19.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.322M	-51.30M	-3.500M
YoY Change	-5.09%	2342.86%	105.88%
NET CHANGE
Cash From Operating Activities	46.00M	42.10M	44.10M
Cash From Investing Activities	-95.33M	55.70M	-54.70M
Cash From Financing Activities	-3.322M	-51.30M	-3.500M
Net Change In Cash	-52.66M	46.50M	-14.10M
YoY Change	273.45%	355.88%	-35.32%
FREE CASH FLOW
Cash From Operating Activities	$46.00M	$42.10M	$44.10M
Capital Expenditures	-$2.260M	-$8.900M	-$8.000M
Free Cash Flow	$48.26M	$51.00M	$52.10M
YoY Change	-7.38%	12.83%	92.25%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000917273
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2021Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
	dei	Entity File Number EntityFileNumber	000-22339
	dei	Entity Registrant Name EntityRegistrantName	RAMBUS INC
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-3112828
	dei	Document Transition Report DocumentTransitionReport	false
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	109364769	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	111697994	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	109364769	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	111697994	shares
CY2021Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	371000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	357000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Entity Address Address Line1 EntityAddressAddressLine1	4453 North First Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 100
	dei	Entity Address City Or Town EntityAddressCityOrTown	San Jose
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	95134
	dei	City Area Code CityAreaCode	408
	dei	Local Phone Number LocalPhoneNumber	462-8000
	dei	Security12b Title Security12bTitle	Common Stock, $.001 Par Value
	dei	Trading Symbol TradingSymbol	RMBS
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2021Q3	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	161733000	USD
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	us-gaap	Interest Expense InterestExpense	7969000	USD
	us-gaap	Interest Expense InterestExpense	7721000	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	54000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	968000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	119000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6964000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4749000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-11532000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	15430000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-26086000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1073000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1205000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3201000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2330000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	3676000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-12737000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12229000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.25
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.25
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108989000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113828000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111103000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113437000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113661000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113828000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	114954000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113437000	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	3676000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-12737000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12229000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-217000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	6000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-234000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	8000	USD
CY2021Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	0	USD
CY2020Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-86000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-85000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-48000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3459000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-12817000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	11910000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-28456000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	830588000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	3676000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-217000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-651000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	6978000	USD
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-13000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7482000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	847843000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	972730000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-12737000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	6000	USD
CY2020Q3	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-86000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-919000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6834000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	965828000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	912706000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12229000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-234000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-85000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-4951000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	6978000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-100081000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21281000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	847843000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	975373000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	8000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-48000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-702000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	19613000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	965828000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12229000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	21281000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	19613000	USD
	us-gaap	Depreciation Depreciation	19623000	USD
	us-gaap	Depreciation Depreciation	21675000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13456000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13848000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	5702000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	5394000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1939000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	569000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-717000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-521000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	48000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	83000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-1800000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	16258000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-11014000	USD
	rmbs	Increase Decrease In Contract With Customer Passage Of Time Asset IncreaseDecreaseInContractWithCustomerPassageOfTimeAsset	-87335000	USD
	rmbs	Increase Decrease In Contract With Customer Passage Of Time Asset IncreaseDecreaseInContractWithCustomerPassageOfTimeAsset	-122498000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5910000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2114000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-6506000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4132000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1007000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1063000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-7626000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-5067000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-21414000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-13317000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	9670000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	3003000	USD
	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	2980000	USD
	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	5105000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	137049000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	143392000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7527000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20799000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	419073000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	655063000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	297759000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	527971000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	227045000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2948000	USD
	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	0	USD
	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	1131000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-97115000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1089000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-146074000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	5002000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	8083000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	9953000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	8785000	USD
	rmbs	Payments Under Installment PaymentsUnderInstallment	9826000	USD
	rmbs	Payments Under Installment PaymentsUnderInstallment	9152000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100081000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-114858000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9854000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-362000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-157000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	22918000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-12693000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	129324000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	102518000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	152242000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	89825000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	11809000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	28986000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Shares Issued1 NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1	6978000	shares
	us-gaap	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Shares Issued1 NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1	0	shares
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	151871000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	128967000	USD
CY2020Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	3554000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	968000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-11532000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1205000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-12737000	USD
CY2020Q3	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	-0.11
CY2020Q3	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	-0.11
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	184409000	USD
	us-gaap	Gross Profit GrossProfit	137112000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	65209000	USD
	us-gaap	Operating Expenses OperatingExpenses	170162000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-33050000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	14685000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6964000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-26086000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2330000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
	us-gaap	Earnings Per Share Basic Undistributed EarningsPerShareBasicUndistributed	-0.25
	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	-0.25
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-12737000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-12817000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-28456000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	965828000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
	rmbs	Depreciationandamortizationofoperatingleasesrightofuseassets Depreciationandamortizationofoperatingleasesrightofuseassets	21675000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	569000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-122498000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2114000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	143392000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-97600000	USD
CY2021Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	289743000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	375512000	USD
CY2021Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	20668000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	10461000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	9700000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	8500000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	21200000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	3676000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-12737000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12229000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-28416000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	108989000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113828000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111103000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113437000	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4672000	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3851000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113661000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113828000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	114954000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113437000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.25
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.25
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2200000	shares
CY2020Q4	us-gaap	Goodwill Goodwill	183222000	USD
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	95869000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	279091000	USD
CY2021Q3	us-gaap	Goodwill Gross GoodwillGross	300861000	USD
CY2021Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	21770000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	279091000	USD
CY2021Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	341351000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	278920000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	62431000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	301982000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	265495000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	36487000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4200000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13500000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4600000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13800000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	4010000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14508000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	13491000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	11180000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5180000	USD
CY2021Q3	rmbs	Intangible Asset Amortization Expense After Year Four IntangibleAssetAmortizationExpenseAfterYearFour	2862000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	51231000	USD
CY2021Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	11200000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	62431000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	81282000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	56915000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	236523000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	184409000	USD
	rmbs	Maximum Maturity Period Available For Sale Securities MaximumMaturityPeriodAvailableForSaleSecurities	P3Y
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	352015000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	352158000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	25000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	168000	USD
CY2021Q3	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	67713000	USD
CY2021Q3	us-gaap	Cash Cash	67713000	USD
CY2021Q3	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	419728000	USD
CY2021Q3	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	419871000	USD
CY2021Q3	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	25000	USD
CY2021Q3	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	168000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	441186000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	441244000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	64000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	122000	USD
CY2020Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	61463000	USD
CY2020Q4	us-gaap	Cash Cash	61463000	USD
CY2020Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	502649000	USD
CY2020Q4	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	502707000	USD
CY2020Q4	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	64000	USD
CY2020Q4	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	122000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	352015000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	441186000	USD
CY2021Q3	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	67713000	USD
CY2020Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	61463000	USD
CY2021Q3	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	419728000	USD
CY2020Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	502649000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	168948000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	251897000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	168000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	122000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7510000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	164232000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	103625000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	267857000	USD
CY2021Q3	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.250
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2196000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4708000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4062000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4180000	USD
CY2021Q3	rmbs	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	21735000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	44391000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7490000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	36901000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.045
CY2021Q3	us-gaap	Lease Cost LeaseCost	1900000	USD
CY2020Q3	us-gaap	Lease Cost LeaseCost	1800000	USD
	us-gaap	Lease Cost LeaseCost	5600000	USD
	us-gaap	Lease Cost LeaseCost	7700000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	6400000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	5600000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	15400000	USD
CY2021Q3	us-gaap	Contractual Obligation ContractualObligation	197327000	USD
CY2021Q3	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	3855000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	15126000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	176180000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	2166000	USD
CY2021Q3	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	0	USD
CY2021Q3	rmbs	Unrecognizedtaxbenefitexcludingforeigntaxwithholdings Unrecognizedtaxbenefitexcludingforeigntaxwithholdings	21400000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	14800000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1100000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1200000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3200000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2300000	USD
CY2021Q3	us-gaap	Income Taxes Paid IncomeTaxesPaid	5000000	USD
CY2020Q3	us-gaap	Income Taxes Paid IncomeTaxesPaid	5200000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	143400000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1600000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	134000000	USD

Files In Submission

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0000917273-21-000028-index-headers.html	Edgar Link	pending
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$RMBS
RAMBUS INC Stock $rmbs

2021 Q3 Form 10-Q Financial Statement

#000091727321000028 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$RMBS RAMBUS INC Stock $rmbs

2021 Q3 Form 10-Q Financial Statement

#000091727321000028 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS
RAMBUS INC Stock $rmbs