$RDFN
Redfin Corp Stock $rdfn

$rdfn Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000138282121000248 Filed on August 05, 2021

Income Statement

Concept	2021 Q2	2020 Q2	2020 Q1
Revenue	$471.3M	$213.7M	$191.0M
YoY Change	120.59%	8.03%	73.41%
Cost Of Revenue	$345.2M	$167.6M	$178.1M
YoY Change	105.92%	12.17%	65.86%
Gross Profit	$126.1M	$46.04M	$12.88M
YoY Change	173.98%	-4.77%	367.82%
Gross Profit Margin	26.76%	21.55%	6.74%
Selling, General & Admin	$115.0M	$32.50M	$50.04M
YoY Change	253.69%	-27.29%	-8.44%
% of Gross Profit	91.14%	70.6%	388.5%
Research & Development	$41.49M	$17.96M	$20.27M
YoY Change	130.99%	11.82%	30.33%
% of Gross Profit	32.89%	39.01%	157.42%
Depreciation & Amortization	$4.751M	$3.435M	$3.307M
YoY Change	38.31%	67.64%	102.02%
% of Gross Profit	3.77%	7.46%	25.68%
Operating Expenses	$156.5M	$50.47M	$70.31M
YoY Change	210.02%	-16.95%	0.15%
Operating Profit	-$30.32M	-$4.426M	-$57.43M
YoY Change	584.98%	-64.37%	-14.86%
Interest Expense	$2.813M	$2.665M	$2.444M
YoY Change	5.55%	23.78%	14.42%
% of Operating Profit
Other Income/Expense, Net	$65.00K	$43.00K	-$1.346M
YoY Change	51.16%	19.44%	-1563.04%
Pretax Income	-$32.93M	-$6.600M	-$60.10M
YoY Change	398.94%	-47.62%	-10.57%
Income Tax	-$5.052M	$0.00
% Of Pretax Income
Net Earnings	-$27.88M	-$6.611M	-$60.12M
YoY Change	321.69%	-47.64%	-10.51%
Net Earnings / Revenue	-5.91%	-3.09%	-31.48%
Basic Earnings Per Share	-$0.29	-$0.08	-$0.64
Diluted Earnings Per Share	-$0.29	-$0.08	-$0.64
COMMON SHARES
Basic Shares Outstanding	104.4M shares	98.79M shares	93.44M shares
Diluted Shares Outstanding	104.4M shares	98.79M shares	93.44M shares

Balance Sheet

Concept	2021 Q2	2020 Q2	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$765.0M	$453.4M	$289.0M
YoY Change	68.72%	63.98%	-26.95%
Cash & Equivalents	$735.4M	$325.4M	$213.9M
Short-Term Investments	$29.61M	$128.1M	$75.05M
Other Short-Term Assets	$7.152M	$4.555M	$5.243M
YoY Change	57.01%	-22.27%	-78.24%
Inventory	$249.0M	$9.437M	$70.65M
Prepaid Expenses	$18.03M	$7.624M	$9.555M
Receivables	$84.76M	$34.18M	$21.82M
Other Receivables	$0.00	$42.40M	$44.30M
Total Short-Term Assets	$1.228B	$586.7M	$457.4M
YoY Change	109.27%	27.07%	-6.66%
LONG-TERM ASSETS
Property, Plant & Equipment	$53.91M	$41.41M	$40.50M
YoY Change	30.17%	16.09%	32.26%
Goodwill	$407.2M
YoY Change
Intangibles	$203.8M
YoY Change
Long-Term Investments	$36.09M	$18.80M	$26.70M
YoY Change	91.94%	-46.29%
Other Assets	$14.06M	$9.430M	$8.923M
YoY Change	49.09%	-11.26%	-5.1%
Total Long-Term Assets	$773.2M	$128.6M	$137.5M
YoY Change	501.28%	-6.7%	62.46%
TOTAL ASSETS
Total Short-Term Assets	$1.228B	$586.7M	$457.4M
Total Long-Term Assets	$773.2M	$128.6M	$137.5M
Total Assets	$2.001B	$715.3M	$594.8M
YoY Change	179.74%	19.31%	3.52%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$26.10M	$3.389M	$2.909M
YoY Change	669.99%	-19.63%	-83.41%
Accrued Expenses	$102.3M	$48.97M	$58.46M
YoY Change	109.01%	-14.73%	8.12%
Deferred Revenue
YoY Change
Short-Term Debt	$170.2M	$47.80M	$51.50M
YoY Change	256.06%	62.59%	238.82%
Long-Term Debt Due	$23.43M
YoY Change
Total Short-Term Liabilities	$354.1M	$139.4M	$136.1M
YoY Change	154.05%	18.03%	31.37%
LONG-TERM LIABILITIES
Long-Term Debt	$1.212B	$122.9M	$121.3M
YoY Change	885.77%	5.4%	5.39%
Other Long-Term Liabilities	$60.96M	$54.40M	$57.30M
YoY Change	12.06%	3.42%	37.74%
Total Long-Term Liabilities	$1.272B	$177.3M	$178.6M
YoY Change	617.7%	4.79%	13.98%
TOTAL LIABILITIES
Total Short-Term Liabilities	$354.1M	$139.4M	$136.1M
Total Long-Term Liabilities	$1.272B	$177.3M	$178.6M
Total Liabilities	$1.636B	$320.3M	$314.6M
YoY Change	410.69%	11.47%	20.9%
SHAREHOLDERS EQUITY
Retained Earnings	-$326.2M	-$318.5M	-$311.9M
YoY Change	2.42%	27.01%	30.96%
Common Stock	$105.0K	$99.00K	$94.00K
YoY Change	6.06%	7.61%	3.3%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$325.6M	$355.3M	$280.2M
YoY Change
Total Liabilities & Shareholders Equity	$2.001B	$715.3M	$594.8M
YoY Change	179.74%	19.31%	3.52%

Cashflow Statement

Concept	2021 Q2	2020 Q2	2020 Q1
OPERATING ACTIVITIES
Net Income	-$27.88M	-$6.611M	-$60.12M
YoY Change	321.69%	-47.64%	-10.51%
Depreciation, Depletion And Amortization	$4.751M	$3.435M	$3.307M
YoY Change	38.31%	67.64%	102.02%
Cash From Operating Activities	-$162.9M	$52.19M	-$43.45M
YoY Change	-412.07%	-154.11%	-7.86%
INVESTING ACTIVITIES
Capital Expenditures	-$8.290M	-$2.660M	$3.406M
YoY Change	211.65%	-58.11%	8.09%
Acquisitions
YoY Change
Other Investing Activities	-$526.2M	-$45.13M	-$60.00K
YoY Change	1065.98%	-35.72%
Cash From Investing Activities	-$534.5M	-$47.79M	-$3.468M
YoY Change	1018.45%	-37.59%	10.06%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	142.0M	125.3M	$30.21M
YoY Change	13.31%	379.68%	74.18%
NET CHANGE
Cash From Operating Activities	-162.9M	52.19M	-$43.45M
Cash From Investing Activities	-534.5M	-47.79M	-$3.468M
Cash From Financing Activities	142.0M	125.3M	$30.21M
Net Change In Cash	-555.4M	129.7M	-$16.74M
YoY Change	-528.05%	-188.32%	-49.23%
FREE CASH FLOW
Cash From Operating Activities	-$162.9M	$52.19M	-$43.45M
Capital Expenditures	-$8.290M	-$2.660M	$3.406M
Free Cash Flow	-$154.6M	$54.85M	-$46.86M
YoY Change	-381.82%	-160.88%	-6.86%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001382821
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-38160
	dei	Entity Registrant Name EntityRegistrantName	Redfin Corporation
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	74-3064240
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1099 Stewart Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 600
	dei	Entity Address City Or Town EntityAddressCityOrTown	Seattle
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98101
	dei	City Area Code CityAreaCode	(206)
	dei	Local Phone Number LocalPhoneNumber	576-8333
	dei	Security12b Title Security12bTitle	Common Stock, $0.001 par value per share
	dei	Trading Symbol TradingSymbol	RDFN
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	104912424	shares
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	735387000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	925276000	USD
CY2021Q2	us-gaap	Restricted Cash RestrictedCash	52295000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	20544000	USD
CY2021Q2	us-gaap	Short Term Investments ShortTermInvestments	29605000	USD
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	131561000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	204000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	160000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	84757000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	54719000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	249003000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	49158000	USD
CY2021Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	51643000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	42539000	USD
CY2021Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	18028000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	12131000	USD
CY2021Q2	us-gaap	Other Assets Current OtherAssetsCurrent	7152000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4898000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	1227870000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	1240826000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53907000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	43988000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	58144000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	44149000	USD
CY2021Q2	us-gaap	Long Term Investments LongTermInvestments	36085000	USD
CY2020Q4	us-gaap	Long Term Investments LongTermInvestments	11922000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	407228000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	9186000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	203782000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1830000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	14059000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	8619000	USD
CY2021Q2	us-gaap	Assets Assets	2001075000	USD
CY2020Q4	us-gaap	Assets Assets	1360520000	USD
CY2021Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	26095000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	5644000	USD
CY2021Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	102345000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	69460000	USD
CY2021Q2	rdfn	Other Payables Current OtherPayablesCurrent	17367000	USD
CY2020Q4	rdfn	Other Payables Current OtherPayablesCurrent	13184000	USD
CY2021Q2	us-gaap	Warehouse Agreement Borrowings WarehouseAgreementBorrowings	46425000	USD
CY2020Q4	us-gaap	Warehouse Agreement Borrowings WarehouseAgreementBorrowings	39029000	USD
CY2021Q2	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	123770000	USD
CY2020Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	23949000	USD
CY2021Q2	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	23428000	USD
CY2020Q4	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	22482000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	14633000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11973000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	354063000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	185721000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	60958000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	49339000	USD
CY2021Q2	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	1211517000	USD
CY2020Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	488268000	USD
CY2021Q2	rdfn	Accrued Payroll Taxes Noncurrent AccruedPayrollTaxesNoncurrent	7841000	USD
CY2020Q4	rdfn	Accrued Payroll Taxes Noncurrent AccruedPayrollTaxesNoncurrent	6812000	USD
CY2021Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1254000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	0	USD
CY2021Q2	us-gaap	Liabilities Liabilities	1635633000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	730140000	USD
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2021Q2	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	10000000	shares
CY2021Q2	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	10000000	shares
CY2020Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	40000	shares
CY2021Q2	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	40000	shares
CY2020Q4	us-gaap	Temporary Equity Shares Issued TemporaryEquitySharesIssued	40000	shares
CY2021Q2	us-gaap	Temporary Equity Shares Issued TemporaryEquitySharesIssued	40000	shares
CY2021Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	39846000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	39823000	USD
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	104838095	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	104838095	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103000594	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103000594	shares
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	105000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	103000	USD
CY2021Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	651627000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	860556000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	77000	USD
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CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-326213000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-270313000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	325596000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	590557000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2001075000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1360520000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	471315000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	471315000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	213665000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	213665000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	739634000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	404660000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	345179000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	167626000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	571140000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	345742000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	126136000	USD
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	us-gaap	Gross Profit GrossProfit	168494000	USD
	us-gaap	Gross Profit GrossProfit	58918000	USD
CY2021Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	41488000	USD
CY2020Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	17961000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	69166000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	38235000	USD
CY2021Q2	us-gaap	Marketing Expense MarketingExpense	55398000	USD
CY2020Q2	us-gaap	Marketing Expense MarketingExpense	9482000	USD
	us-gaap	Marketing Expense MarketingExpense	67200000	USD
	us-gaap	Marketing Expense MarketingExpense	35190000	USD
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	59567000	USD
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	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	96957000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	47349000	USD
CY2021Q2	us-gaap	Operating Expenses OperatingExpenses	156453000	USD
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	us-gaap	Operating Expenses OperatingExpenses	233323000	USD
	us-gaap	Operating Expenses OperatingExpenses	120774000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-30317000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-30317000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-4426000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-4426000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-64829000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-61856000	USD
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	135000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	437000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	293000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1540000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	2813000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	2665000	USD
	us-gaap	Interest Expense InterestExpense	4151000	USD
	us-gaap	Interest Expense InterestExpense	5109000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5052000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5052000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	65000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	43000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-27000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1303000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
CY2021Q2	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1878000	USD
CY2020Q2	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1284000	USD
	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	4214000	USD
	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1284000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-29756000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-29756000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-7895000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-7895000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-67876000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-67876000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-68012000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-68012000	USD
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.29
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.29
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.08
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.71
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.71
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	104391337	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	104391337	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98785318	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	98785318	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103912212	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103912212	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	96114012	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	96114012	shares
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	0	USD
CY2020Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	3000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	0	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-22000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	84000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-137000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	134000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	421000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-27794000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-6745000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-63528000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-66329000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18018000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6865000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	26327000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	14416000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2203000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3477000	USD
	rdfn	Operating Lease Non Cash Lease Expense OperatingLeaseNonCashLeaseExpense	5448000	USD
	rdfn	Operating Lease Non Cash Lease Expense OperatingLeaseNonCashLeaseExpense	4522000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1420000	USD
	rdfn	Gain Loss On Interest Rate Lock Commitments Forward Sales Commitments And Fair Value Adjustment Of Loans Held For Sale GainLossOnInterestRateLockCommitmentsForwardSalesCommitmentsAndFairValueAdjustmentOfLoansHeldForSale	238000	USD
	rdfn	Gain Loss On Interest Rate Lock Commitments Forward Sales Commitments And Fair Value Adjustment Of Loans Held For Sale GainLossOnInterestRateLockCommitmentsForwardSalesCommitmentsAndFairValueAdjustmentOfLoansHeldForSale	-1928000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	169000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-218000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22312000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14959000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	199845000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-65153000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7137000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-6827000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	15766000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1040000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	26915000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	13819000	USD
	rdfn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-6144000	USD
	rdfn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-5481000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	488274000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	294076000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	478652000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	274595000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-213638000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	8744000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13580000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6072000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	104877000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	88724000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	89536000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3183000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	92843000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	40351000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	608000000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-544078000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-51262000	USD
	rdfn	Proceeds From Issuance Of Temporary Equity ProceedsFromIssuanceOfTemporaryEquity	0	USD
	rdfn	Proceeds From Issuance Of Temporary Equity ProceedsFromIssuanceOfTemporaryEquity	39801000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	69701000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12496000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11052000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	16530000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6065000	USD
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	464250000	USD
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	290891000	USD
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	456854000	USD
	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	271627000	USD
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	230608000	USD
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	39587000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	130788000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	36816000	USD
	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	561529000	USD
	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	USD
	rdfn	Purchase Of Capped Call Related To Convertible Debt PurchaseOfCappedCallRelatedToConvertibleDebt	62647000	USD
	rdfn	Purchase Of Capped Call Related To Convertible Debt PurchaseOfCappedCallRelatedToConvertibleDebt	0	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1925000	USD
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
	rdfn	Proceeds From Customer Escrow Deposits ProceedsFromCustomerEscrowDeposits	97000	USD
	rdfn	Proceeds From Customer Escrow Deposits ProceedsFromCustomerEscrowDeposits	19056000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	353000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	30000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	305000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	599578000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	155546000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	0	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	0	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-22000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-158138000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	113006000	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
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	787682000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	360454000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2038000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2133000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1717000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1151000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1013000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1492000	USD
	rdfn	Leasehold Improvements Paid Directly By Lessor LeaseholdImprovementsPaidDirectlyByLessor	1334000	USD
	rdfn	Leasehold Improvements Paid Directly By Lessor LeaseholdImprovementsPaidDirectlyByLessor	0	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	343632000	USD
CY2021Q2	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	0	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	7299000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1737000	USD
CY2021Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5670000	USD
CY2021Q2	rdfn	Adjustments To Additional Paid In Capital Purchase Of Capped Calls Related To Convertible Debt AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCallsRelatedToConvertibleDebt	8168000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-1000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14729000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-84000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	325596000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	590557000	USD
	rdfn	Temporary Equity Stock Issued During Period Shares New Issues TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	0	shares
	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	23000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	7299000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5200000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	16530000	USD
	rdfn	Adjustments To Additional Paid In Capital Purchase Of Capped Calls Related To Convertible Debt AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCallsRelatedToConvertibleDebt	62647000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	53000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	28044000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-134000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	325596000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	280186000	USD
CY2020Q2	rdfn	Temporary Equity Stock Issued During Period Shares New Issues TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	40000	shares
CY2020Q2	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	39801000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	69701000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3436000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3589000	USD
CY2020Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2758000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7851000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-134000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	355260000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	331446000	USD
	rdfn	Temporary Equity Stock Issued During Period Shares New Issues TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	40000	shares
	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	39801000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	69701000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3436000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	7504000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	6065000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	15567000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	399000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	355260000	USD
	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, the 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, fair value of interest rate lock commitments, and forward sales commitments, fair value of reporting units for purposes of evaluating goodwill for impairment, current expected credit losses on certain financial assets, the fair value of the convertible feature related to our convertible senior notes, and the fair value of assets acquired and liabilities assumed in connection with our acquisition of RentPath. 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>
CY2020Q4	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	22482000	USD
CY2021Q1	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	25205000	USD
CY2020Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	488268000	USD
CY2021Q1	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	648023000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	860556000	USD
CY2021Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	690316000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-270313000	USD
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-262551000	USD
CY2021Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	5616000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	7723000	USD
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	6	segment
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	471315000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	213665000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	739634000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	404660000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	345179000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	167626000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	571140000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	345742000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	126136000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	46039000	USD
	us-gaap	Gross Profit GrossProfit	168494000	USD
	us-gaap	Gross Profit GrossProfit	58918000	USD
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	135000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	437000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	293000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1540000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	2813000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	2665000	USD
	us-gaap	Interest Expense InterestExpense	4151000	USD
	us-gaap	Interest Expense InterestExpense	5109000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5052000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5052000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	65000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	43000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-27000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1303000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1771000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	10674000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	10708000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	235000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1972000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	201000	USD
CY2021Q2	us-gaap	Share Price SharePrice	63.41
CY2021Q2	us-gaap	Interest Receivable InterestReceivable	90000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	108000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2021Q2	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	90391000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	209000	USD
CY2020Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	17153000	USD
CY2021Q2	rdfn	Inventory Real Estate Not Available For Sale InventoryRealEstateNotAvailableForSale	45132000	USD
CY2020Q4	rdfn	Inventory Real Estate Not Available For Sale InventoryRealEstateNotAvailableForSale	7225000	USD
CY2021Q2	us-gaap	Inventory Real Estate Construction In Process InventoryRealEstateConstructionInProcess	113480000	USD
CY2020Q4	us-gaap	Inventory Real Estate Construction In Process InventoryRealEstateConstructionInProcess	24780000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	249003000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	49158000	USD
CY2021Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	862000	USD
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	29000	USD
	rdfn	Inventory Net Additions InventoryNetAdditions	410960000	USD
	rdfn	Inventory Net Additions InventoryNetAdditions	70052000	USD
	rdfn	Inventory Net Sales InventoryNetSales	-213921000	USD
	rdfn	Inventory Net Sales InventoryNetSales	-133172000	USD
CY2021Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	49713000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	41614000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53907000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	43988000	USD
CY2021Q2	us-gaap	Depreciation Depreciation	4751000	USD
CY2020Q2	us-gaap	Depreciation Depreciation	3435000	USD
	us-gaap	Depreciation Depreciation	8970000	USD
	us-gaap	Depreciation Depreciation	6621000	USD
CY2021Q2	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	5045000	USD
CY2020Q2	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	2836000	USD
	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	8410000	USD
	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	5513000	USD
CY2021Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	3976000	USD
CY2020Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	3237000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	7417000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	6469000	USD
CY2021Q2	rdfn	Finance Lease Cost FinanceLeaseCost	161000	USD
CY2020Q2	rdfn	Finance Lease Cost FinanceLeaseCost	20000	USD
	rdfn	Finance Lease Cost FinanceLeaseCost	226000	USD
	rdfn	Finance Lease Cost FinanceLeaseCost	39000	USD
CY2021Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	434000	USD
CY2020Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	247000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	726000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	473000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	8697000	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due Year Four LesseeLeaseLiabilityPaymentsDueYearFour	11235000	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityOtherPaymentsDueNextTwelveMonths	406000	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due Next Twelve Months LesseeLeaseLiabilityPaymentsDueNextTwelveMonths	9312000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	16647000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	418000	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments Due Year One LesseeOperatingLeaseLiabilityOtherPaymentsDueYearOne	33000	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due Year One LesseeLeaseLiabilityPaymentsDueYearOne	17098000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	15654000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	405000	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments Due Year Two LesseeOperatingLeaseLiabilityOtherPaymentsDueYearTwo	0	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due Year Two LesseeLeaseLiabilityPaymentsDueYearTwo	16059000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	14296000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	319000	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments Due Year Three LesseeOperatingLeaseLiabilityOtherPaymentsDueYearThree	0	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due Year Three LesseeLeaseLiabilityPaymentsDueYearThree	14615000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	11183000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	52000	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments Due Year Four LesseeOperatingLeaseLiabilityOtherPaymentsDueYearFour	0	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	16917000	USD
CY2021Q2	rdfn	Finance Lease Liability To Be Paid After Year Four FinanceLeaseLiabilityToBePaidAfterYearFour	0	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments After Year Four LesseeOperatingLeaseLiabilityOtherPaymentsAfterYearFour	0	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due After Year Four LesseeLeaseLiabilityPaymentsDueAfterYearFour	16917000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	83394000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1403000	USD
CY2021Q2	rdfn	Lessee Operating Lease Liability Other Payments Due LesseeOperatingLeaseLiabilityOtherPaymentsDue	439000	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Due LesseeLeaseLiabilityPaymentsDue	85236000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	9087000	USD
CY2021Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	119000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	74307000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	1284000	USD
	rdfn	Operating Lease Capitalized Interest Expense OperatingLeaseCapitalizedInterestExpense	2933000	USD
	rdfn	Financing Lease Capitalized Interest Expense FinancingLeaseCapitalizedInterestExpense	59000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y2M12D
CY2021Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y4M24D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.044
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.044
CY2021Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.054
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.054
	us-gaap	Operating Lease Payments OperatingLeasePayments	7654000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	6994000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	42000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	5000	USD
	rdfn	Finance Lease Cash Flows From Finance Lease Excluding Principal Payments And Interest FinanceLeaseCashFlowsFromFinanceLeaseExcludingPrincipalPaymentsAndInterest	122000	USD
	rdfn	Finance Lease Cash Flows From Finance Lease Excluding Principal Payments And Interest FinanceLeaseCashFlowsFromFinanceLeaseExcludingPrincipalPaymentsAndInterest	25000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6139000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	214000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	768000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2021Q2	rdfn	Lessee Lease Liability Payments Remainder Of Fiscal Year LesseeLeaseLiabilityPaymentsRemainderOfFiscalYear	222444000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	215880000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12098000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	203782000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	4880000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	3050000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1830000	USD
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8926000	USD
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	122000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9048000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	244000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	17852000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	35705000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	35705000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	20458000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	15050000	USD
CY2021Q2	rdfn	Finite Lived Intangible Asset Expected Amortization After Year Four FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour	79012000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	203782000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	9186000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	407228000	USD
CY2021Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	72746000	USD
CY2021Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	72746000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	49238000	USD
CY2021Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16364000	USD
CY2021Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16364000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	9722000	USD
CY2021Q2	rdfn	Accrued Payroll Taxes Current Cares Act AccruedPayrollTaxesCurrentCARESAct	7841000	USD
CY2020Q4	rdfn	Accrued Payroll Taxes Current Cares Act AccruedPayrollTaxesCurrentCARESAct	6812000	USD
CY2021Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5394000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3688000	USD
CY2021Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	102345000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	69460000	USD
	us-gaap	Preferred Stock Dividend Rate Per Dollar Amount PreferredStockDividendRatePerDollarAmount	17.95
CY2021Q2	rdfn	Temporary Equity Conversion Price Ratio Denominator TemporaryEquityConversionPriceRatioDenominator	19.51	USD
	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.00055
CY2021Q2	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	15269000	USD
CY2020Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	11183000	USD
CY2021Q2	rdfn	Miscellaneous Other Payables Current MiscellaneousOtherPayablesCurrent	2098000	USD
CY2020Q4	rdfn	Miscellaneous Other Payables Current MiscellaneousOtherPayablesCurrent	2001000	USD
CY2021Q2	rdfn	Other Payables Current OtherPayablesCurrent	17367000	USD
CY2020Q4	rdfn	Other Payables Current OtherPayablesCurrent	13184000	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
CY2021Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	39846000	USD
CY2021Q2	rdfn	Temporary Equity Dividends Shares TemporaryEquityDividendsShares	30640	shares
CY2020Q2	us-gaap	Convertible Preferred Stock Shares Issued Upon Conversion ConvertiblePreferredStockSharesIssuedUponConversion	2622177	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4489132	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.14
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y18D
	rdfn	Temporary Equity Conversion Stock Price Trigger TemporaryEquityConversionStockPriceTrigger	27.32
	rdfn	Temporary Equity Threshold Consecutive Trading Days TemporaryEquityThresholdConsecutiveTradingDays	30	tradingDay
	rdfn	Temporary Equity Threshold Consecutive Trading Days TemporaryEquityThresholdConsecutiveTradingDays	30	tradingDay
	rdfn	Temporary Equity Threshold Consecutive Trading Days TemporaryEquityThresholdConsecutiveTradingDays	30	tradingDay
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q2	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	10000000	shares
CY2020Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	10000000	shares
CY2021Q2	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5733738	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.23
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y4M20D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	352076000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1089203	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	4.77
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	290	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	10.80
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	5113	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	10.80
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4639132	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.80
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y2M4D
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	257994000	USD
CY2021Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	252608000	USD
CY2021Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	189000	USD
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3699318	shares
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13743000	USD
CY2020Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7205000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	26327000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14416000	USD
CY2021Q2	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	985000	USD
CY2020Q2	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	647000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1717000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1151000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-27878000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-6611000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-63662000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-66728000	USD
CY2021Q2	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1878000	USD
CY2020Q2	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1284000	USD
	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	4214000	USD
	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	1284000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-29756000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-29756000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-7895000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-7895000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-67876000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-67876000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-68012000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-68012000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	104391337	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	104391337	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98785318	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	98785318	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103912212	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103912212	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	96114012	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	96114012	shares
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.29
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.29
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.08
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.71
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.71
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	26395602	shares
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	12873233	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	26395602	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	12873233	shares
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5052000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0735
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2017Q1	rdfn	Operating Loss Carryforwards Limitations On Use Value OperatingLossCarryforwardsLimitationsOnUseValue	1538000	USD
CY2021Q2	rdfn	Adjustments To Additional Paid In Capital Convertible Debt Capped Call Transaction AdjustmentsToAdditionalPaidInCapitalConvertibleDebtCappedCallTransaction	54450000	USD

Files In Submission

Name	View Source	Status
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0001382821-21-000248.txt	Edgar Link	pending
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rdfn-20210630_htm.xml	Edgar Link	completed
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rdfn-20210630_pre.xml	Edgar Link	unprocessable
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$RDFN
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2021 Q2 Form 10-Q Financial Statement

#000138282121000248 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDFN Redfin Corp Stock $rdfn

2021 Q2 Form 10-Q Financial Statement

#000138282121000248 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RDFN
Redfin Corp Stock $rdfn