$RDFN
Redfin Corp Stock $rdfn

$rdfn Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000138282123000020 Filed on February 16, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$325.7M	$479.7M	$2.284B
YoY Change	-45.48%	-25.41%	18.81%
Cost Of Revenue	$269.5M	$442.2M	$1.998B
YoY Change	-48.66%	-17.35%	31.56%
Gross Profit	$56.21M	$37.46M	$286.1M
YoY Change	-22.51%	-65.33%	-29.16%
Gross Profit Margin	17.26%	7.81%	12.52%
Selling, General & Admin	$110.9M	$134.2M	$412.7M
YoY Change	8.37%	0.69%	15.57%
% of Gross Profit	197.25%	358.2%	144.26%
Research & Development	$48.19M		$196.3M
YoY Change	-2.92%		25.22%
% of Gross Profit	85.74%		68.61%
Depreciation & Amortization	$17.01M	$17.47M	$64.91M
YoY Change	14.85%	19.63%	38.38%
% of Gross Profit	30.27%	46.64%	22.69%
Operating Expenses	$160.1M	$134.2M	$649.4M
YoY Change	1.56%	0.69%	26.39%
Operating Profit	-$103.9M	-$96.71M	-$363.3M
YoY Change	22.07%	283.66%	230.44%
Interest Expense	$1.922M	-$233.0K	$17.75M
YoY Change	-50.22%	-93.87%	50.87%
% of Operating Profit
Other Income/Expense, Net	-$234.0K	-$693.0K	-$3.774M
YoY Change	-87.76%	-154.96%	-170.41%
Pretax Income	-$60.39M	-$62.25M	-$321.0M
YoY Change	-33.4%	124.34%	177.41%
Income Tax	$410.0K	-$299.0K	$126.0K
% Of Pretax Income
Net Earnings	-$60.80M	-$62.09M	-$321.1M
YoY Change	-33.05%	129.95%	192.98%
Net Earnings / Revenue	-18.67%	-12.94%	-14.06%
Basic Earnings Per Share	-$0.55		-$2.99
Diluted Earnings Per Share	-$0.55	-$0.57	-$2.99
COMMON SHARES
Basic Shares Outstanding	109.7M shares	108.7M shares	107.9M shares
Diluted Shares Outstanding	110.1M shares		107.9M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$290.5M	$362.1M	$362.1M
YoY Change	-58.98%	-42.04%	-42.04%
Cash & Equivalents	$149.9M	$239.8M	$239.8M
Short-Term Investments	$140.5M	$122.3M	$122.3M
Other Short-Term Assets	$14.92M	$8.690M	$245.2M
YoY Change	121.07%	15.5%	26.72%
Inventory	$10.69M	$114.3M	$114.3M
Prepaid Expenses	$33.78M	$34.51M
Receivables	$48.14M	$54.88M	$54.88M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$593.0M	$776.5M	$776.5M
YoY Change	-46.05%	-37.69%	-37.69%
LONG-TERM ASSETS
Property, Plant & Equipment	$52.55M	$55.11M	$97.14M
YoY Change	-13.62%	-6.08%	-13.94%
Goodwill	$461.3M	$461.3M
YoY Change	12.69%	12.69%
Intangibles	$152.5M	$162.3M
YoY Change	-13.83%	-12.72%
Long-Term Investments	$9.572M	$29.48M	$29.48M
YoY Change	-82.97%	-46.23%	-46.23%
Other Assets	$11.41M	$11.25M	$11.25M
YoY Change	-12.81%	-12.8%	-12.8%
Total Long-Term Assets	$761.4M	$797.7M	$797.7M
YoY Change	-0.85%	2.81%	2.81%
TOTAL ASSETS
Total Short-Term Assets	$593.0M	$776.5M	$776.5M
Total Long-Term Assets	$761.4M	$797.7M	$797.7M
Total Assets	$1.354B	$1.574B	$1.574B
YoY Change	-27.46%	-22.15%	-22.15%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$10.15M	$11.82M	$11.82M
YoY Change	-55.25%	-5.79%	-5.79%
Accrued Expenses	$105.6M	$123.2M	$123.2M
YoY Change	2.09%	4.32%	-2.56%
Deferred Revenue
YoY Change
Short-Term Debt	$185.3M	$190.5M	$190.5M
YoY Change	16.42%	-18.17%	-18.17%
Long-Term Debt Due	$23.47M	$23.43M	$23.43M
YoY Change		0.65%	0.65%
Total Short-Term Liabilities	$329.2M	$354.6M	$354.6M
YoY Change	9.6%	-11.74%	-11.74%
LONG-TERM LIABILITIES
Long-Term Debt	$928.7M	$1.078B	$1.078B
YoY Change	-25.02%	-11.19%	-11.19%
Other Long-Term Liabilities	$35.76M	$37.30M	$37.30M
YoY Change	-30.86%	-32.46%	-32.46%
Total Long-Term Liabilities	$964.4M	$1.115B	$1.115B
YoY Change	-25.26%	-12.12%	-12.12%
TOTAL LIABILITIES
Total Short-Term Liabilities	$329.2M	$354.6M	$354.6M
Total Long-Term Liabilities	$964.4M	$1.115B	$1.115B
Total Liabilities	$1.294B	$1.470B	$1.470B
YoY Change	-18.71%	-12.07%	-12.07%
SHAREHOLDERS EQUITY
Retained Earnings	-$754.1M	-$693.3M
YoY Change	62.88%	86.29%
Common Stock	$110.0K	$110.0K
YoY Change	2.8%	3.77%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$20.66M	$63.95M	$103.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.354B	$1.574B	$1.574B
YoY Change	-27.46%	-22.15%	-22.15%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$60.80M	-$62.09M	-$321.1M
YoY Change	-33.05%	129.95%	192.98%
Depreciation, Depletion And Amortization	$17.01M	$17.47M	$64.91M
YoY Change	14.85%	19.63%	38.38%
Cash From Operating Activities	$26.70M	$189.0M	$40.49M
YoY Change	-66.2%	67.9%	-113.43%
INVESTING ACTIVITIES
Capital Expenditures	$2.919M	$4.035M	$21.53M
YoY Change	-60.78%	-158.33%	-21.68%
Acquisitions			$97.34M
YoY Change			-83.99%
Other Investing Activities	$2.941M	$806.0K	-$162.8M
YoY Change	-104.47%	-112.35%	-70.33%
Cash From Investing Activities	$22.00K	-$3.229M	-$184.3M
YoY Change	-100.03%	-75.98%	-68.01%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$116.6M	-347.2M	-$332.1M
YoY Change	54.67%	1821.27%	-151.06%
NET CHANGE
Cash From Operating Activities	$26.70M	189.0M	$40.49M
Cash From Investing Activities	$22.00K	-3.229M	-$184.3M
Cash From Financing Activities	-$116.6M	-347.2M	-$332.1M
Net Change In Cash	-$89.89M	-161.4M	-$476.0M
YoY Change	29.24%	-299.22%	109.21%
FREE CASH FLOW
Cash From Operating Activities	$26.70M	$189.0M	$40.49M
Capital Expenditures	$2.919M	$4.035M	$21.53M
Free Cash Flow	$23.79M	$184.9M	$18.96M
YoY Change	-66.76%	54.8%	-105.76%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001382821
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2021Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
CY2022Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList
CY2021Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-38160
CY2022	dei	Entity Registrant Name EntityRegistrantName	Redfin Corporation
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	74-3064240
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	1099 Stewart Street
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 600
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Seattle
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98101
CY2022	dei	City Area Code CityAreaCode	(206)
CY2022	dei	Local Phone Number LocalPhoneNumber	576-8610
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $0.001 par value per share
CY2022	dei	Trading Symbol TradingSymbol	RDFN
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2022	dei	Auditor Firm AuditorFirmId	34
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CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6107000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	57193000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3774000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5360000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1898000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-321143000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-109613000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2022	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1560000	usd
CY2021	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	7269000	usd
CY2020	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	4454000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-322703000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-322703000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-116882000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-116882000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-22981000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-22981000	usd
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.99
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.99
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.12
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.12
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.23
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.23
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	107927464	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	107927464	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	104683460	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	104683460	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98574529	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	98574529	shares
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-321143000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-109613000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	94000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	6000	usd
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-3000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	533000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	379000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	172000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-320516000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-109228000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-18358000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-321143000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-109613000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	64907000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	46906000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	14564000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	68257000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	54722000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	36973000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	6137000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	4989000	usd
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	12038000	usd
CY2022	rdfn	Operating Lease Non Cash Lease Expense OperatingLeaseNonCashLeaseExpense	16234000	usd
CY2021	rdfn	Operating Lease Non Cash Lease Expense OperatingLeaseNonCashLeaseExpense	11630000	usd
CY2020	rdfn	Operating Lease Non Cash Lease Expense OperatingLeaseNonCashLeaseExpense	9204000	usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1136000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	2063000	usd
CY2022	rdfn	Gain Loss On Conversion Of Debt GainLossOnConversionOfDebt	0	usd
CY2021	rdfn	Gain Loss On Conversion Of Debt GainLossOnConversionOfDebt	0	usd
CY2020	rdfn	Gain Loss On Conversion Of Debt GainLossOnConversionOfDebt	-4634000	usd
CY2022	rdfn	Gain Loss On Interest Rate Lock Commitments Forward Sales Commitments And Fair Value Adjustment Of Loans Held For Sale GainLossOnInterestRateLockCommitmentsForwardSalesCommitmentsAndFairValueAdjustmentOfLoansHeldForSale	14427000	usd
CY2021	rdfn	Gain Loss On Interest Rate Lock Commitments Forward Sales Commitments And Fair Value Adjustment Of Loans Held For Sale GainLossOnInterestRateLockCommitmentsForwardSalesCommitmentsAndFairValueAdjustmentOfLoansHeldForSale	815000	usd
CY2020	rdfn	Gain Loss On Interest Rate Lock Commitments Forward Sales Commitments And Fair Value Adjustment Of Loans Held For Sale GainLossOnInterestRateLockCommitmentsForwardSalesCommitmentsAndFairValueAdjustmentOfLoansHeldForSale	-1921000	usd
CY2022	rdfn	Change In Fair Value Of Mortgage Servicing Rights Net Operating Activities ChangeInFairValueOfMortgageServicingRightsNetOperatingActivities	-801000	usd
CY2021	rdfn	Change In Fair Value Of Mortgage Servicing Rights Net Operating Activities ChangeInFairValueOfMortgageServicingRightsNetOperatingActivities	0	usd
CY2020	rdfn	Change In Fair Value Of Mortgage Servicing Rights Net Operating Activities ChangeInFairValueOfMortgageServicingRightsNetOperatingActivities	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	57193000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	3791000	usd
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-4227000	usd
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-349000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-24411000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7149000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	35496000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-243948000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	309063000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-25432000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5904000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	12248000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2333000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2472000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3059000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2086000	usd
CY2022	rdfn	Increase Decrease In Accrued And Other Liabilities IncreaseDecreaseInAccruedAndOtherLiabilities	-46454000	usd
CY2021	rdfn	Increase Decrease In Accrued And Other Liabilities IncreaseDecreaseInAccruedAndOtherLiabilities	25791000	usd
CY2020	rdfn	Increase Decrease In Accrued And Other Liabilities IncreaseDecreaseInAccruedAndOtherLiabilities	39092000	usd
CY2022	rdfn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-18452000	usd
CY2021	rdfn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-13268000	usd
CY2020	rdfn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-11312000	usd
CY2022	rdfn	Increase Decrease Payments To Acquire Mortgage Servicing Rights Msr IncreaseDecreasePaymentsToAcquireMortgageServicingRightsMSR	-3140000	usd
CY2021	rdfn	Increase Decrease Payments To Acquire Mortgage Servicing Rights Msr IncreaseDecreasePaymentsToAcquireMortgageServicingRightsMSR	0	usd
CY2020	rdfn	Increase Decrease Payments To Acquire Mortgage Servicing Rights Msr IncreaseDecreasePaymentsToAcquireMortgageServicingRightsMSR	0	usd
CY2022	rdfn	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	1662000	usd
CY2021	rdfn	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	0	usd
CY2020	rdfn	Proceeds From Sale Of Mortgage Servicing Rights Msr Operating Activities ProceedsFromSaleOfMortgageServicingRightsMSROperatingActivities	0	usd
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	3949442000	usd
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	986982000	usd
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	677310000	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	4000582000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	993070000	usd
CY2020	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	657763000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	40491000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-301568000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	61267000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21531000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	27492000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14686000	usd
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	182466000	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	146274000	usd
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	198172000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	17545000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	98687000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	7887000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	99455000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	106773000	usd
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	147852000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	97341000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	608000000	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-184338000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-576306000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-57119000	usd
CY2022	rdfn	Proceeds From Issuance Of Temporary Equity ProceedsFromIssuanceOfTemporaryEquity	0	usd
CY2021	rdfn	Proceeds From Issuance Of Temporary Equity ProceedsFromIssuanceOfTemporaryEquity	0	usd
CY2020	rdfn	Proceeds From Issuance Of Temporary Equity ProceedsFromIssuanceOfTemporaryEquity	39801000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	69701000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11528000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	22772000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	733000	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	21072000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7498000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	27066000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	16852000	usd
CY2022	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	3938265000	usd
CY2021	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	942993000	usd
CY2020	us-gaap	Proceeds From Unsecured Lines Of Credit ProceedsFromUnsecuredLinesOfCredit	662278000	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	3989407000	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	948979000	usd
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	644551000	usd
CY2022	us-gaap	Proceeds From Secured Lines Of Credit ProceedsFromSecuredLinesOfCredit	565334000	usd
CY2021	us-gaap	Proceeds From Secured Lines Of Credit ProceedsFromSecuredLinesOfCredit	624828000	usd
CY2020	us-gaap	Proceeds From Secured Lines Of Credit ProceedsFromSecuredLinesOfCredit	89619000	usd
CY2022	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	765114000	usd
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	448996000	usd
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	70115000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	527000	usd
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4000	usd
CY2022	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2021	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	561529000	usd
CY2020	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	647486000	usd
CY2022	rdfn	Purchase Of Capped Call Related To Convertible Debt PurchaseOfCappedCallRelatedToConvertibleDebt	0	usd
CY2021	rdfn	Purchase Of Capped Call Related To Convertible Debt PurchaseOfCappedCallRelatedToConvertibleDebt	62647000	usd
CY2020	rdfn	Purchase Of Capped Call Related To Convertible Debt PurchaseOfCappedCallRelatedToConvertibleDebt	0	usd
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	2159000	usd
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	108061000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	855000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	796000	usd
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	221000	usd
CY2022	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	83614000	usd
CY2021	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	usd
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	usd
CY2022	rdfn	Proceeds From Customer Escrow Deposits ProceedsFromCustomerEscrowDeposits	0	usd
CY2021	rdfn	Proceeds From Customer Escrow Deposits ProceedsFromCustomerEscrowDeposits	-10611000	usd
CY2020	rdfn	Proceeds From Customer Escrow Deposits ProceedsFromCustomerEscrowDeposits	4074000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-332094000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	650341000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	694227000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-94000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-6000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-476035000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-227539000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	698372000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	718281000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	945820000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	247448000	usd
CY2021	rdfn	Issuance Of Common Stock For Repurchase And Conversions Of Convertible Senior Notes IssuanceOfCommonStockForRepurchaseAndConversionsOfConvertibleSeniorNotes	0	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	242246000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	718281000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	945820000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	20107000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	7592000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	4958000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	3660000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	4059000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	2348000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	99000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	659000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1682000	usd
CY2022	rdfn	Leasehold Improvements Paid Directly By Lessor LeaseholdImprovementsPaidDirectlyByLessor	118000	usd
CY2021	rdfn	Leasehold Improvements Paid Directly By Lessor LeaseholdImprovementsPaidDirectlyByLessor	1334000	usd
CY2020	rdfn	Leasehold Improvements Paid Directly By Lessor LeaseholdImprovementsPaidDirectlyByLessor	37000	usd
CY2022	rdfn	Issuance Of Common Stock For Repurchase And Conversions Of Convertible Senior Notes IssuanceOfCommonStockForRepurchaseAndConversionsOfConvertibleSeniorNotes	0	usd
CY2020	rdfn	Issuance Of Common Stock For Repurchase And Conversions Of Convertible Senior Notes IssuanceOfCommonStockForRepurchaseAndConversionsOfConvertibleSeniorNotes	98397000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	239840000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	591003000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	925276000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	2406000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	127278000	usd
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	20544000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	242246000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	718281000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	945820000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	331446000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	69701000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	165257000	usd
CY2020	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	8174000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	12705000	usd
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	16852000	usd
CY2020	rdfn	Stock Issued During Period Shares Repurchase Of Convertible Securities StockIssuedDuringPeriodSharesRepurchaseOfConvertibleSecurities	2056180	shares
CY2020	rdfn	Stock Issued During Period Value Repurchase Of Convertible Securities StockIssuedDuringPeriodValueRepurchaseOfConvertibleSecurities	-699000	usd
CY2020	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-138000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39321000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	169000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	590557000	usd
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	13787000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8980000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	27067000	usd
CY2021	rdfn	Adjustments To Additional Paid In Capital Purchase Of Capped Calls Related To Convertible Debt AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCallsRelatedToConvertibleDebt	62647000	usd
CY2021	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-63000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	58781000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-385000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-109613000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	309852000	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	6465000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4987000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	7498000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	71917000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-627000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-321143000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	63953000	usd
CY2022	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts presented in the prior period consolidated statements of comprehensive loss have been reclassified to conform to the current period financial statement presentation. The change in classification does not affect previously reported total revenue or expenses in the consolidated statements of comprehensive loss.
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—The preparation of consolidated financial statements, in conformity with GAAP, requires our management to make estimates and assumptions that affect the reported amounts of assets and liabilities and results of operations during the respective periods. Our estimates include, but are not limited to, valuation of deferred income taxes, stock-based compensation, net realizable value of inventory, capitalization of website and software development costs, the incremental borrowing rate for the determination of the present value of lease payments, recoverability of intangible assets with finite lives, fair value of our mortgage loans held for sale (“LHFS”) and mortgage servicing rights, estimated useful life of intangible assets, fair value of reporting units for purposes of allocating and evaluating goodwill for impairment, and current expected credit losses on certain financial assets. The amounts ultimately realized from the affected assets or ultimately recognized as liabilities will depend on, among other factors, general business conditions and could differ materially in the near term from the carrying amounts reflected in the consolidated financial statements.</span>
CY2022	rdfn	Material Classes Of Receivables MaterialClassesOfReceivables	3	classofreceivable
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Credit Risk</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—Financial instruments that potentially subject us to concentrations of credit risk are primarily cash and cash equivalents and investments. We generally place our cash and cash equivalents and investments with major financial institutions we deem to be of high-credit-quality in order to limit our credit exposure. We maintain our cash accounts with financial institutions where deposits exceed federal insurance limits.</span>
CY2022	rdfn	Numberof Inventory Categories NumberofInventoryCategories	3	category
CY2022	rdfn	Inventory Real Estate Rental Period InventoryRealEstateRentalPeriod	P30D
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	196250000	usd
CY2022Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	2650000	usd
CY2021Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	660000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	461349000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	409382000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	usd
CY2022Q4	rdfn	Operating Lease Right Of Use Asset Held For Sale OperatingLeaseRightOfUseAssetHeldForSale	413000	usd
CY2022Q4	rdfn	Operating Lease Liability Held For Sale OperatingLeaseLiabilityHeldForSale	352000	usd
CY2022	us-gaap	Marketing Expense MarketingExpense	158071000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	133593000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	119278000	usd
CY2020	us-gaap	Advertising Expense AdvertisingExpense	42919000	usd
CY2022	rdfn	Advertising Production Costs AdvertisingProductionCosts	3425000	usd
CY2021	rdfn	Advertising Production Costs AdvertisingProductionCosts	2303000	usd
CY2020	rdfn	Advertising Production Costs AdvertisingProductionCosts	256000	usd
CY2022	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1136000	usd
CY2022	rdfn	Operating Lease Number Of Subleases OperatingLeaseNumberOfSubleases	2	sublease
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	254593000	usd
CY2022	us-gaap	Restructuring Charges RestructuringCharges	40469000	usd
CY2022	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	2437000	usd
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	6	segment
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2284442000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1998389000	usd
CY2022	us-gaap	Gross Profit GrossProfit	286053000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	649383000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-363330000	usd
CY2022	rdfn	Operating And Nonoperating Income Expense Including Income Tax Expense Benefit Net OperatingAndNonoperatingIncomeExpenseIncludingIncomeTaxExpenseBenefitNet	42187000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-321143000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1922765000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1518945000	usd
CY2021	us-gaap	Gross Profit GrossProfit	403820000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	156718000	usd
CY2021	us-gaap	Marketing Expense MarketingExpense	138740000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	218315000	usd
CY2021	us-gaap	Restructuring Charges RestructuringCharges	0	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	513773000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-109953000	usd
CY2021	rdfn	Operating And Nonoperating Income Expense Including Income Tax Expense Benefit Net OperatingAndNonoperatingIncomeExpenseIncludingIncomeTaxExpenseBenefitNet	340000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-109613000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	886093000	usd
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	653983000	usd
CY2020	us-gaap	Gross Profit GrossProfit	232110000	usd
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	84297000	usd
CY2020	us-gaap	Marketing Expense MarketingExpense	54881000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	85624000	usd
CY2020	us-gaap	Restructuring Charges RestructuringCharges	6516000	usd
CY2020	us-gaap	Operating Expenses OperatingExpenses	231318000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	792000	usd
CY2020	rdfn	Operating And Nonoperating Income Expense Including Income Tax Expense Benefit Net OperatingAndNonoperatingIncomeExpenseIncludingIncomeTaxExpenseBenefitNet	-19319000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2022Q4	us-gaap	Share Price SharePrice	4.24
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	77277000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	54671000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	758000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	204000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	576000	usd
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	86000	usd
CY2022Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	97636000	usd
CY2021Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	119410000	usd
CY2022Q4	rdfn	Inventory Real Estate Not Available For Sale InventoryRealEstateNotAvailableForSale	2467000	usd
CY2021Q4	rdfn	Inventory Real Estate Not Available For Sale InventoryRealEstateNotAvailableForSale	16377000	usd
CY2022Q4	us-gaap	Inventory Real Estate Construction In Process InventoryRealEstateConstructionInProcess	14170000	usd
CY2021Q4	us-gaap	Inventory Real Estate Construction In Process InventoryRealEstateConstructionInProcess	222434000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	114273000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	358221000	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	8404000	usd
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	2364000	usd
CY2022	rdfn	Number Of Homes Purchased NumberOfHomesPurchased	1569	home
CY2021	rdfn	Number Of Homes Purchased NumberOfHomesPurchased	2021	home
CY2022	rdfn	Inventory Net Additions InventoryNetAdditions	806269000	usd
CY2021	rdfn	Inventory Net Additions InventoryNetAdditions	1034916000	usd
CY2022	rdfn	Number Of Homes Sold NumberOfHomesSold	2044	home
CY2021	rdfn	Number Of Homes Sold NumberOfHomesSold	1450	home
CY2022	rdfn	Inventory Net Sales InventoryNetSales	1033866000	usd
CY2021	rdfn	Inventory Net Sales InventoryNetSales	738809000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	76788000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	59766000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55105000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	58671000	usd
CY2022	us-gaap	Depreciation Depreciation	26740000	usd
CY2021	us-gaap	Depreciation Depreciation	20047000	usd
CY2020	us-gaap	Depreciation Depreciation	14076000	usd
CY2022Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	19906000	usd
CY2021Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	19175000	usd
CY2020Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	11414000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	21367000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	15560000	usd
CY2022	rdfn	Finance Lease Cost FinanceLeaseCost	882000	usd
CY2021	rdfn	Finance Lease Cost FinanceLeaseCost	565000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3599000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1464000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8619000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	35000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	20525000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	658000	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due Year One LesseeOperatingLeaseLiabilityOtherPaymentsDueYearOne	2602000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due Year One LesseeLeaseLiabilityPaymentsDueYearOne	23785000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	14799000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	278000	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due Year Two LesseeOperatingLeaseLiabilityOtherPaymentsDueYearTwo	491000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due Year Two LesseeLeaseLiabilityPaymentsDueYearTwo	15568000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10649000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	164000	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due Year Three LesseeOperatingLeaseLiabilityOtherPaymentsDueYearThree	434000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due Year Three LesseeLeaseLiabilityPaymentsDueYearThree	11247000	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due Year Four LesseeOperatingLeaseLiabilityOtherPaymentsDueYearFour	159000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due Year Four LesseeLeaseLiabilityPaymentsDueYearFour	8813000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4620000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due Year Five LesseeOperatingLeaseLiabilityOtherPaymentsDueYearFive	116000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due Year Five LesseeLeaseLiabilityPaymentsDueYearFive	4736000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	678000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due After Year Five LesseeOperatingLeaseLiabilityOtherPaymentsDueAfterYearFive	40000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due After Year Five LesseeLeaseLiabilityPaymentsDueAfterYearFive	718000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	59890000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1135000	usd
CY2022Q4	rdfn	Lessee Operating Lease Liability Other Payments Due LesseeOperatingLeaseLiabilityOtherPaymentsDue	3842000	usd
CY2022Q4	rdfn	Lessee Lease Liability Payments Due LesseeLeaseLiabilityPaymentsDue	64867000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4537000	usd
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	53000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	55353000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	1082000	usd
CY2022	rdfn	Operating Lease Capitalized Interest Expense OperatingLeaseCapitalizedInterestExpense	1996000	usd
CY2022	rdfn	Financing Lease Capitalized Interest Expense FinancingLeaseCapitalizedInterestExpense	31000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y7M6D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y9M18D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y8M12D
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y2M12D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.045
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.044
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.054
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.054
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	21504000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	16421000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	100000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	83000	usd
CY2022	rdfn	Finance Lease Cash Flows From Finance Lease Excluding Principal Payments And Interest FinanceLeaseCashFlowsFromFinanceLeaseExcludingPrincipalPaymentsAndInterest	612000	usd
CY2021	rdfn	Finance Lease Cash Flows From Finance Lease Excluding Principal Payments And Interest FinanceLeaseCashFlowsFromFinanceLeaseExcludingPrincipalPaymentsAndInterest	347000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	132000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7677000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	234000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1333000	usd
CY2020Q2	us-gaap	Loss Contingency Patents Allegedly Infringed Number LossContingencyPatentsAllegedlyInfringedNumber	4	patent
CY2020Q4	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	10	plaintiff
CY2022Q2	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	3000	usd
CY2022Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	10	plaintiff
CY2022Q2	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	1000	usd
CY2022Q2	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	10	plaintiff
CY2022Q2	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	3000	usd
CY2022Q4	us-gaap	Escrow Deposit EscrowDeposit	17649000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	230390000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	68118000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	162272000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	215880000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	29951000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	185929000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	38167000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	26901000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	38988000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	23741000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	17618000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	17380000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	15633000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	48912000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	162272000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	409382000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	461349000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	76539000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	78437000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	27543000	usd
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	25217000	usd
CY2022Q4	rdfn	Accrued Payroll Taxes Current Cares Act AccruedPayrollTaxesCurrentCARESAct	0	usd
CY2021Q4	rdfn	Accrued Payroll Taxes Current Cares Act AccruedPayrollTaxesCurrentCARESAct	7760000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5661000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	6708000	usd
CY2022Q4	rdfn	Accrued And Other Liabilities Current AccruedAndOtherLiabilitiesCurrent	109743000	usd
CY2021Q4	rdfn	Accrued And Other Liabilities Current AccruedAndOtherLiabilitiesCurrent	118122000	usd
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	110000000	usd
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	110000000	usd
CY2022Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	39914000	usd
CY2022	rdfn	Temporary Equity Dividends Shares TemporaryEquityDividendsShares	30640	shares
CY2020Q2	us-gaap	Convertible Preferred Stock Shares Issued Upon Conversion ConvertiblePreferredStockSharesIssuedUponConversion	2622177	shares
CY2022	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.00055
CY2022	us-gaap	Preferred Stock Dividend Rate Per Dollar Amount PreferredStockDividendRatePerDollarAmount	17.95
CY2022	rdfn	Dividend Rate Volume Weighted Average Closing Price Trading Days DividendRateVolumeWeightedAverageClosingPriceTradingDays	10	d
CY2022Q4	rdfn	Temporary Equity Conversion Price Ratio Denominator TemporaryEquityConversionPriceRatioDenominator	19.51	usd
CY2022	rdfn	Temporary Equity Conversion Stock Price Trigger TemporaryEquityConversionStockPriceTrigger	27.32
CY2022	rdfn	Temporary Equity Threshold Consecutive Trading Days TemporaryEquityThresholdConsecutiveTradingDays	30	d
CY2022	rdfn	Temporary Equity Threshold Consecutive Trading Days TemporaryEquityThresholdConsecutiveTradingDays	30	d
CY2022	rdfn	Temporary Equity Threshold Consecutive Trading Days TemporaryEquityThresholdConsecutiveTradingDays	30	d
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	8.89
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3282789	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4019011	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.02
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y8M23D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	122038000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Other Increases Decreases In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod	150000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Other Share Increase Decrease In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsOtherShareIncreaseDecreaseInPeriodWeightedAverageExercisePrice	27.50
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	700333	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.94
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	185889	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.10
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y10M24D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1145000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3282789	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	9.10
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y10M24D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1145000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	484000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	793000	usd
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	2228000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5588000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	90920000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	55822000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	68257000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	54722000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	36973000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	3660000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	4059000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	2348000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-321143000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-109613000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-18527000	usd
CY2022	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1560000	usd
CY2021	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	7269000	usd
CY2020	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	4454000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-322703000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-322703000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-116882000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-116882000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-22981000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-22981000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	107927464	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	107927464	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	104683460	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	104683460	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98574529	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	98574529	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.99
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.99
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.12
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.12
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.23
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.23
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	35104832	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	26686190	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	22175834	shares
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	164242000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	143917000	usd
CY2022Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	34445000	usd
CY2021Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	35234000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	23240000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	18828000	usd
CY2022Q4	rdfn	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	15019000	usd
CY2021Q4	rdfn	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	17396000	usd
CY2022Q4	rdfn	Deferred Tax Assets Capitalized Research And Development Costs DeferredTaxAssetsCapitalizedResearchAndDevelopmentCosts	32216000	usd
CY2021Q4	rdfn	Deferred Tax Assets Capitalized Research And Development Costs DeferredTaxAssetsCapitalizedResearchAndDevelopmentCosts	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	30719000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	23152000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	299881000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	238527000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	245212000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	176872000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	54669000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	61655000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	40069000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	48250000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	11225000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	13465000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3618000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1141000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	54912000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	62856000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	243000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1201000	usd
CY2017Q1	rdfn	Operating Loss Carryforwards Limitations On Use Value OperatingLossCarryforwardsLimitationsOnUseValue	1506000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0489
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0906
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.2523
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.0253
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.1488
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.6914
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.0014
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.0012
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.0103
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0138
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0541
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.2042
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.2129
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.4189
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1.3288
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.0020
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	-0.0162
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.0132
CY2022	rdfn	Effective Income Tax Rate Reconciliation Acquisition Costs Percent EffectiveIncomeTaxRateReconciliationAcquisitionCostsPercent	-0.0001
CY2021	rdfn	Effective Income Tax Rate Reconciliation Acquisition Costs Percent EffectiveIncomeTaxRateReconciliationAcquisitionCostsPercent	-0.0144
CY2020	rdfn	Effective Income Tax Rate Reconciliation Acquisition Costs Percent EffectiveIncomeTaxRateReconciliationAcquisitionCostsPercent	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.0320
CY2022	rdfn	Effective Income Tax Rate Reconciliation Expiration Of Tax Attribute Carryforwards Percent EffectiveIncomeTaxRateReconciliationExpirationOfTaxAttributeCarryforwardsPercent	-0.0353
CY2021	rdfn	Effective Income Tax Rate Reconciliation Expiration Of Tax Attribute Carryforwards Percent EffectiveIncomeTaxRateReconciliationExpirationOfTaxAttributeCarryforwardsPercent	0
CY2020	rdfn	Effective Income Tax Rate Reconciliation Expiration Of Tax Attribute Carryforwards Percent EffectiveIncomeTaxRateReconciliationExpirationOfTaxAttributeCarryforwardsPercent	0
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0003
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.0528
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6107000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1084000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1215000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1084000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1215000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	97000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1055000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-7322000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-958000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7322000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6107000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4692000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3105000	usd
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2159000	usd
CY2022	rdfn	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	-210000	usd
CY2021	rdfn	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	32000	usd
CY2020	rdfn	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1327000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1555000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	946000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5809000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4692000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3105000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5809000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4692000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	usd
CY2022Q4	rdfn	Adjustments To Additional Paid In Capital Convertible Debt Capped Call Transaction AdjustmentsToAdditionalPaidInCapitalConvertibleDebtCappedCallTransaction	62647000	usd

Files In Submission

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$RDFN
Redfin Corp Stock $rdfn

2023 Q1 Form 10-K Financial Statement

#000138282123000020 Filed on February 16, 2023

Income Statement

Balance Sheet

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$RDFN Redfin Corp Stock $rdfn

2023 Q1 Form 10-K Financial Statement

#000138282123000020 Filed on February 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDFN
Redfin Corp Stock $rdfn