$RMBS
RAMBUS INC Stock $rmbs

$rmbs Overview Financials Valuation SEC Filings Company Website

2020 Q2 Form 10-Q Financial Statement

#000091727320000024 Filed on August 07, 2020

Income Statement

Concept	2020 Q2	2019 Q2	2019 Q1
Revenue	$61.72M	$58.30M	$48.38M
YoY Change	5.87%	3.26%	4.22%
Cost Of Revenue	$16.15M	$13.03M	$11.20M
YoY Change	23.96%	17.48%	-7.62%
Gross Profit	$45.57M	$45.27M	$37.19M
YoY Change	0.66%	-0.22%	8.4%
Gross Profit Margin	73.84%	77.65%	76.86%
Selling, General & Admin	$21.72M	$23.79M	$26.52M
YoY Change	-8.71%	-2.81%	-12.18%
% of Gross Profit	47.67%	52.56%	71.32%
Research & Development	$34.69M	$37.89M	$40.62M
YoY Change	-8.45%	0.51%	1.25%
% of Gross Profit	76.12%	83.7%	109.23%
Depreciation & Amortization	$11.90M	$10.00M	$4.809M
YoY Change	19.0%	-12.28%	63.46%
% of Gross Profit	26.11%	22.09%	12.93%
Operating Expenses	$56.66M	$82.32M	$68.60M
YoY Change	-31.17%	32.39%	-2.45%
Operating Profit	-$11.09M	-$37.05M	-$31.41M
YoY Change	-70.07%	85.35%	-27.98%
Interest Expense	$2.580M	$2.534M	$2.271M
YoY Change	1.82%	-45.32%	-48.63%
% of Operating Profit
Other Income/Expense, Net	$2.108M	$4.438M	$5.142M
YoY Change	-52.5%	22.77%	9.52%
Pretax Income	-$8.980M	-$32.61M	-$26.27M
YoY Change	-72.46%	99.17%	-32.51%
Income Tax	$200.0K	$4.400M	$300.0K
% Of Pretax Income
Net Earnings	-$9.140M	-$36.98M	-$26.58M
YoY Change	-75.28%	140.8%	-25.53%
Net Earnings / Revenue	-14.81%	-63.43%	-54.93%
Basic Earnings Per Share	-$0.08	-$0.33	-$0.24
Diluted Earnings Per Share	-$0.08	-$0.33	-$0.24
COMMON SHARES
Basic Shares Outstanding	113.6M shares	110.9M shares	109.7M shares
Diluted Shares Outstanding	113.6M shares	110.9M shares	109.7M shares

Balance Sheet

Concept	2020 Q2	2019 Q2	2019 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$486.1M	$337.7M	$305.9M
YoY Change	43.94%	13.21%	5.05%
Cash & Equivalents	$103.3M	$114.2M	$143.0M
Short-Term Investments	$382.8M	$223.5M	$162.9M
Other Short-Term Assets	$18.00M	$87.80M	$16.90M
YoY Change	-79.5%	505.52%	0.6%
Inventory	$11.55M	$9.326M	$8.192M
Prepaid Expenses
Receivables	$35.20M	$28.23M	$43.81M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$706.2M	$640.9M	$545.0M
YoY Change	10.2%	19.19%	8.62%
LONG-TERM ASSETS
Property, Plant & Equipment	$50.86M	$41.59M	$22.64M
YoY Change	22.28%	-17.21%	-53.22%
Goodwill	$183.2M	$153.1M	$207.8M
YoY Change	19.64%	-26.61%	-1.67%
Intangibles	$45.62M	$29.75M	$55.51M
YoY Change	53.37%	-58.07%	-32.38%
Long-Term Investments	$3.300M	$4.100M	$3.200M
YoY Change	-19.51%
Other Assets	$4.895M	$6.763M	$7.419M
YoY Change	-27.62%	39.96%	64.61%
Total Long-Term Assets	$610.4M	$671.3M	$776.4M
YoY Change	-9.07%	-32.06%	-25.19%
TOTAL ASSETS
Total Short-Term Assets	$706.2M	$640.9M	$545.0M
Total Long-Term Assets	$610.4M	$671.3M	$776.4M
Total Assets	$1.317B	$1.312B	$1.321B
YoY Change	0.34%	-14.0%	-14.17%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$14.02M	$7.794M	$8.274M
YoY Change	79.83%	-7.06%	16.86%
Accrued Expenses	$20.60M	$22.30M	$23.00M
YoY Change	-7.62%	28.16%	53.33%
Deferred Revenue	$10.84M	$6.448M	$15.77M
YoY Change	68.13%	-52.53%	688.7%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00
YoY Change
Total Short-Term Liabilities	$83.46M	$84.42M	$69.28M
YoY Change	-1.14%	-44.53%	-52.5%
LONG-TERM LIABILITIES
Long-Term Debt	$152.4M	$145.3M	$143.6M
YoY Change	4.89%	-17.21%	-17.52%
Other Long-Term Liabilities	$12.82M	$30.29M	$22.97M
YoY Change	-57.68%	287.19%	164.81%
Total Long-Term Liabilities	$12.82M	$30.29M	$22.97M
YoY Change	-57.68%	287.19%	164.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$83.46M	$84.42M	$69.28M
Total Long-Term Liabilities	$12.82M	$30.29M	$22.97M
Total Liabilities	$351.5M	$338.9M	$321.5M
YoY Change	3.69%	-19.36%	-23.56%
SHAREHOLDERS EQUITY
Retained Earnings	-$309.0M	-$263.4M	$4.500M
YoY Change	17.32%	170.46%	-99.28%
Common Stock	$1.274B	$1.247B	$1.235B
YoY Change	2.19%	3.02%	3.23%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$972.7M	$973.2M	$999.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.317B	$1.312B	$1.321B
YoY Change	0.34%	-14.0%	-14.17%

Cashflow Statement

Concept	2020 Q2	2019 Q2	2019 Q1
OPERATING ACTIVITIES
Net Income	-$9.140M	-$36.98M	-$26.58M
YoY Change	-75.28%	140.8%	-25.53%
Depreciation, Depletion And Amortization	$11.90M	$10.00M	$4.809M
YoY Change	19.0%	-12.28%	63.46%
Cash From Operating Activities	$62.00M	$31.10M	$28.76M
YoY Change	99.36%	763.89%	71.2%
INVESTING ACTIVITIES
Capital Expenditures	-$10.80M	-$2.100M	$664.0K
YoY Change	414.29%	-41.67%	-60.66%
Acquisitions
YoY Change
Other Investing Activities	-$122.8M	-$61.50M	-$800.0K
YoY Change	99.67%	-150.12%	-98.77%
Cash From Investing Activities	-$133.6M	-$63.60M	-$1.493M
YoY Change	110.06%	-153.4%	-97.76%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change			-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-600.0K	3.700M	-$170.0K
YoY Change	-116.22%	-11.9%	-99.69%
NET CHANGE
Cash From Operating Activities	62.00M	31.10M	$28.76M
Cash From Investing Activities	-133.6M	-63.60M	-$1.493M
Cash From Financing Activities	-600.0K	3.700M	-$170.0K
Net Change In Cash	-72.20M	-28.80M	$27.10M
YoY Change	150.69%	-122.7%	-126.06%
FREE CASH FLOW
Cash From Operating Activities	$62.00M	$31.10M	$28.76M
Capital Expenditures	-$10.80M	-$2.100M	$664.0K
Free Cash Flow	$72.80M	$33.20M	$28.10M
YoY Change	119.28%	361.11%	85.93%

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	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
CY2020Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2020Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	113743652	shares
CY2020Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	113743652	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	112131352	shares
CY2020Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	113743652	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112131352	shares
CY2020Q2	us-gaap	Restricted Cash Current RestrictedCashCurrent	334000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	342000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	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	Entity Address Address Line1 EntityAddressAddressLine1	4453 North First Street
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	95134
	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	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 Shell Company EntityShellCompany	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	14385000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	2580000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	2534000	USD
	us-gaap	Interest Expense InterestExpense	5135000	USD
	us-gaap	Interest Expense InterestExpense	4805000	USD
CY2020Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2017000	USD
CY2019Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4438000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5836000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	9580000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10447000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-32608000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-17467000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-58875000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	334000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4372000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1297000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4681000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-10781000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-36980000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-18764000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63556000	USD
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.33
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.58
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.58
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113572000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110875000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113240000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110287000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113572000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110875000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113240000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110287000	shares
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-10781000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-36980000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-18764000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63556000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1749000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-174000	USD
CY2020Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	134000	USD
CY2019Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	36000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	38000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	84000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-10645000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-38693000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-18724000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-63646000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	965698000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-10781000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000	USD
CY2020Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	134000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3430000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6707000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	965190000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	999887000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-36980000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1749000	USD
CY2019Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	36000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4952000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7080000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	973226000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	970918000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-18764000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	38000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	217000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12779000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	965190000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1012112000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63556000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-174000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	84000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	6022000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14269000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	973226000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-18764000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63556000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12779000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	14269000	USD
	us-gaap	Depreciation Depreciation	14625000	USD
	us-gaap	Depreciation Depreciation	9932000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9276000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9910000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4636000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3571000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3379000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	16990000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	102000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-266000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-318000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-175000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-2000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-153000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-1800000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-8841000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-19028000	USD
	rmbs	Increase Decrease In Contract With Customer Passage Of Time Asset IncreaseDecreaseInContractWithCustomerPassageOfTimeAsset	-83577000	USD
	rmbs	Increase Decrease In Contract With Customer Passage Of Time Asset IncreaseDecreaseInContractWithCustomerPassageOfTimeAsset	-75328000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1849000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1468000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	2593000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1709000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1080000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2030000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-773000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-8643000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-6966000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-1106000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-8740000	USD
	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	3565000	USD
	rmbs	Increasedecreaseinoperatingleaseliabilities Increasedecreaseinoperatingleaseliabilities	4526000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	99273000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	67460000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12780000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2783000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	487521000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	277706000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	407556000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	216382000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2496000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	1131000	USD
	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	0	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-91380000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-65107000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	7880000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	10219000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7663000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4271000	USD
	rmbs	Payments Under Installment PaymentsUnderInstallment	6600000	USD
	rmbs	Payments Under Installment PaymentsUnderInstallment	2480000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6383000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3468000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-419000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	0	USD
	rmbs	Transfer Of Cash And Cash Equivalents To Assets Held For Sale TransferOfCashAndCashEquivalentsToAssetsHeldForSale	0	USD
	rmbs	Transfer Of Cash And Cash Equivalents To Assets Held For Sale TransferOfCashAndCashEquivalentsToAssetsHeldForSale	7545000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1091000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1724000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	102518000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	116252000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	103609000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	114528000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	26354000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	26762000	USD
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	103275000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	102176000	USD
CY2020Q2	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	444492000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	528069000	USD
CY2020Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	10841000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	11947000	USD
CY2020Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3600000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	9700000	USD
CY2020Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	16000000.0	USD
CY2020Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-10781000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-36980000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-18764000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63556000	USD
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113572000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110875000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113240000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110287000	shares
CY2020Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113572000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110875000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113240000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110287000	shares
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.33
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.58
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.58
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1700000	shares
CY2019Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1600000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2100000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1500000	shares
CY2019Q4	us-gaap	Goodwill Goodwill	183465000	USD
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-243000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	183222000	USD
CY2020Q2	us-gaap	Goodwill Gross GoodwillGross	204992000	USD
CY2020Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	21770000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	183222000	USD
CY2020Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	301982000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	256358000	USD
CY2020Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	45624000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	301982000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	247082000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	54900000	USD
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4600000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9300000	USD
CY2019Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4900000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9900000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	9137000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14411000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	7444000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6740000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5292000	USD
CY2020Q2	rmbs	Intangible Asset Amortization Expense After Year Four IntangibleAssetAmortizationExpenseAfterYearFour	0	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	43024000	USD
CY2020Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	2600000	USD
CY2020Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	45624000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	59930000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	58297000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	123919000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	106681000	USD
	rmbs	Maximum Maturity Period Available For Sale Securities MaximumMaturityPeriodAvailableForSaleSecurities	P3Y
CY2020Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	441422000	USD
CY2020Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	441429000	USD
CY2020Q2	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Gains CashCashEquivalentsAndShortTermInvestmentsUnrealizedGains	95000	USD
CY2020Q2	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Losses CashCashEquivalentsAndShortTermInvestmentsUnrealizedLosses	102000	USD
CY2020Q2	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	44655000	USD
CY2020Q2	us-gaap	Cash Cash	44655000	USD
CY2020Q2	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	486077000	USD
CY2020Q2	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	486084000	USD
CY2020Q2	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	95000	USD
CY2020Q2	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	102000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	363542000	USD
CY2019Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	363587000	USD
CY2019Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Gains CashCashEquivalentsAndShortTermInvestmentsUnrealizedGains	19000	USD
CY2019Q4	rmbs	Cash Cash Equivalents And Short Term Investments Unrealized Losses CashCashEquivalentsAndShortTermInvestmentsUnrealizedLosses	64000	USD
CY2019Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	44122000	USD
CY2019Q4	us-gaap	Cash Cash	44122000	USD
CY2019Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	407664000	USD
CY2019Q4	rmbs	Cash Cash Equivalents And Short Term Investments Amortized Cost Disclosure CashCashEquivalentsAndShortTermInvestmentsAmortizedCostDisclosure	407709000	USD
CY2019Q4	rmbs	Gross Unrealized Gain On Securities And Cash GrossUnrealizedGainOnSecuritiesAndCash	19000	USD
CY2019Q4	rmbs	Gross Unrealized Loss On Securities And Cash GrossUnrealizedLossOnSecuritiesAndCash	64000	USD
CY2020Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	441422000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	363542000	USD
CY2020Q2	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	44655000	USD
CY2019Q4	rmbs	Cash Fair Value Disclosure CashFairValueDisclosure	44122000	USD
CY2020Q2	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	486077000	USD
CY2019Q4	rmbs	Cash Cash Equivalents And Short Term Investments Fair Value Disclosure CashCashEquivalentsAndShortTermInvestmentsFairValueDisclosure	407664000	USD
CY2020Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	238879000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	264934000	USD
CY2020Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	102000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	64000	USD
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	378807000	USD
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	12201000	USD
CY2020Q2	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	391008000	USD
CY2020Q2	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.250
CY2020Q2	us-gaap	Equity Method Investments EquityMethodInvestments	3300000	USD
CY2020Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y4M24D
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2719000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	8446000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	7295000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4564000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3925000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	25368000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	52317000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	10228000	USD
CY2020Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	42089000	USD
CY2020Q2	us-gaap	Contractual Obligation ContractualObligation	214852000	USD
CY2020Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.042
CY2020Q2	us-gaap	Lease Cost LeaseCost	2900000	USD
CY2019Q2	us-gaap	Lease Cost LeaseCost	2200000	USD
	us-gaap	Lease Cost LeaseCost	5800000	USD
	us-gaap	Lease Cost LeaseCost	4500000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	4300000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	5100000	USD
CY2020Q2	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	11694000	USD
CY2020Q2	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	18066000	USD
CY2020Q2	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	11400000	USD
CY2020Q2	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	173692000	USD
CY2020Q2	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	0	USD
CY2020Q2	rmbs	Unrecognizedtaxbenefitexcludingforeigntaxwithholdings Unrecognizedtaxbenefitexcludingforeigntaxwithholdings	26400000	USD
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	277838	shares
	rmbs	Employee Stock Purchase Plan Weighted Average Price Per Share EmployeeStockPurchasePlanWeightedAveragePricePerShare	10.51
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	429396	shares
	rmbs	Employee Stock Purchase Plan Weighted Average Price Per Share EmployeeStockPurchasePlanWeightedAveragePricePerShare	7.95
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2015Q1	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	20000000.0	shares
CY2020Q2	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	3600000	shares
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4400000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1300000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4700000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	125900000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3000000.0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	115700000	USD

Files In Submission

Name	View Source	Status
0000917273-20-000024-index-headers.html	Edgar Link	pending
0000917273-20-000024-index.html	Edgar Link	pending
0000917273-20-000024.txt	Edgar Link	pending
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$RMBS
RAMBUS INC Stock $rmbs

2020 Q2 Form 10-Q Financial Statement

#000091727320000024 Filed on August 07, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS RAMBUS INC Stock $rmbs

2020 Q2 Form 10-Q Financial Statement

#000091727320000024 Filed on August 07, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RMBS
RAMBUS INC Stock $rmbs