$BLZE
Backblaze, Inc. Stock $blze

$blze Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000146205624000053 Filed on November 07, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$32.59M
YoY Change		28.82%
Cost Of Revenue		$14.79M
YoY Change		9.18%
Gross Profit		$17.80M
YoY Change		51.45%
Gross Profit Margin		54.62%
Selling, General & Admin		$19.26M
YoY Change		8.96%
% of Gross Profit		108.22%
Research & Development		$10.73M
YoY Change		11.36%
% of Gross Profit		60.3%
Depreciation & Amortization		$5.400M
YoY Change		-1.82%
% of Gross Profit		30.34%
Operating Expenses		$30.00M
YoY Change		9.81%
Operating Profit		-$12.20M
YoY Change		-21.64%
Interest Expense		-$555.0K
YoY Change		-159.29%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		-$12.75M
YoY Change		-20.57%
Income Tax		$0.00
% Of Pretax Income
Net Earnings		-$12.75M
YoY Change		-20.57%
Net Earnings / Revenue		-39.13%
Basic Earnings Per Share		-$0.29
Diluted Earnings Per Share		-$0.29
COMMON SHARES
Basic Shares Outstanding	44.40M shares	42.90M shares
Diluted Shares Outstanding		43.52M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$20.88M
YoY Change		-29.69%
Cash & Equivalents		$2.950M
Short-Term Investments		$17.93M
Other Short-Term Assets		$4.120M
YoY Change		-60.0%
Inventory
Prepaid Expenses		$2.570M
Receivables		$2.762M
Other Receivables		$4.134M
Total Short-Term Assets		$31.90M
YoY Change		-28.93%
LONG-TERM ASSETS
Property, Plant & Equipment		$57.26M
YoY Change		-4.72%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets		$1.367M
YoY Change		57.49%
Total Long-Term Assets		$104.3M
YoY Change		16.11%
TOTAL ASSETS
Total Short-Term Assets		$31.90M
Total Long-Term Assets		$104.3M
Total Assets		$136.2M
YoY Change		1.11%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$1.670M
YoY Change		-15.87%
Accrued Expenses		$1.129M
YoY Change		-30.09%
Deferred Revenue		$30.14M
YoY Change		27.77%
Short-Term Debt		$0.00
YoY Change		-100.0%
Long-Term Debt Due		$16.52M
YoY Change		171.8%
Total Short-Term Liabilities		$59.20M
YoY Change		-2.91%
LONG-TERM LIABILITIES
Long-Term Debt		$16.56M
YoY Change		15.83%
Other Long-Term Liabilities		$17.65M
YoY Change		44.69%
Total Long-Term Liabilities		$34.21M
YoY Change		29.11%
TOTAL LIABILITIES
Total Short-Term Liabilities		$59.20M
Total Long-Term Liabilities		$34.21M
Total Liabilities		$93.41M
YoY Change		6.89%
SHAREHOLDERS EQUITY
Retained Earnings		-$181.6M
YoY Change		34.28%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$42.83M
YoY Change
Total Liabilities & Shareholders Equity		$136.2M
YoY Change		1.11%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		-$12.75M
YoY Change		-20.57%
Depreciation, Depletion And Amortization		$5.400M
YoY Change		-1.82%
Cash From Operating Activities		$4.629M
YoY Change		-2822.94%
INVESTING ACTIVITIES
Capital Expenditures		$3.598M
YoY Change		-16.52%
Acquisitions
YoY Change
Other Investing Activities		-$3.342M
YoY Change		-135.67%
Cash From Investing Activities		-$6.940M
YoY Change		-237.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-4.012M
YoY Change		9.32%
NET CHANGE
Cash From Operating Activities		4.629M
Cash From Investing Activities		-6.940M
Cash From Financing Activities		-4.012M
Net Change In Cash		-6.323M
YoY Change		-622.56%
FREE CASH FLOW
Cash From Operating Activities		$4.629M
Capital Expenditures		$3.598M
Free Cash Flow		$1.031M
YoY Change		-123.01%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-16055000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-34154000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15094000	usd
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	BACKBLAZE, INC.
	dei	Entity Address Address Line1 EntityAddressAddressLine1	201 Baldwin Ave.
	dei	Entity Address City Or Town EntityAddressCityOrTown	San Mateo
	dei	City Area Code CityAreaCode	650
	dei	Local Phone Number LocalPhoneNumber	352-3738
	dei	Security12b Title Security12bTitle	Class A Common Stock, $0.0001 par value per share
	dei	Trading Symbol TradingSymbol	BLZE
	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	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	44400000	shares
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2950000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	12502000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8254000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8413000	usd
CY2024Q3	us-gaap	Assets Current AssetsCurrent	31897000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	38514000	usd
CY2024Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	4682000	usd
CY2023Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	4128000	usd
CY2024Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	41532000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	45600000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	15729000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9980000	usd
CY2024Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	41037000	usd
CY2023Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	32521000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1367000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	944000	usd
CY2024Q3	us-gaap	Assets Assets	136244000	usd
CY2023Q4	us-gaap	Assets Assets	131687000	usd
CY2024Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	1670000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1973000	usd
CY2024Q3	blze	Accrued Liabilities And Other Liabilities Current AccruedLiabilitiesAndOtherLiabilitiesCurrent	7016000	usd
CY2023Q4	blze	Accrued Liabilities And Other Liabilities Current AccruedLiabilitiesAndOtherLiabilitiesCurrent	8768000	usd
CY2024Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3853000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1878000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	30139000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	25976000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	59198000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	57087000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	93413000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	86749000	usd
CY2024Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
	us-gaap	Net Income Loss NetIncomeLoss	-34154000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	32589000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25299000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0001462056
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-8893125
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94401
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-16055000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1254000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7974000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	47358000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	44938000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	6336000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	42831000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-47505000	usd
CY2023Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	10779000	usd
CY2023Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	32521000	usd
CY2023Q3	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	1000000.0	usd
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	4900000	usd
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	2500000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	4105000	usd
CY2023Q4	blze	Employee Stock Purchase Plan Withholding Current EmployeeStockPurchasePlanWithholdingCurrent	426000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1284000	usd
CY2023Q4	blze	Value Added Tax Payable ValueAddedTaxPayable	1266000	usd
CY2023Q4	blze	Financed Insurance Premiums Current FinancedInsurancePremiumsCurrent	893000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	794000	usd
CY2024Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y9M18D
CY2024Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.113
CY2024Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3775000	usd
CY2023Q3	blze	Finance Lease Cost FinanceLeaseCost	4390000	usd
	blze	Finance Lease Cost Interest Expense FinanceLeaseCostInterestExpense	1770000	usd
	blze	Lease Financing Obligation LeaseFinancingObligation	1003000	usd
CY2024Q3	blze	Lease Financing Obligation Interest Expense LeaseFinancingObligationInterestExpense	154000	usd
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	16247775	shares
	us-gaap	Restructuring Charges RestructuringCharges	3616000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2024Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1576000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	73282000	usd
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
CY2024Q3	us-gaap	Short Term Investments ShortTermInvestments	17931000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	16799000	usd
CY2024Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2762000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	800000	usd
CY2024Q3	blze	Finance Lease Liability And Lease Financing Obligation Current FinanceLeaseLiabilityAndLeaseFinancingObligationCurrent	16520000	usd
CY2023Q4	blze	Finance Lease Liability And Lease Financing Obligation Current FinanceLeaseLiabilityAndLeaseFinancingObligationCurrent	18492000	usd
CY2024Q3	blze	Long Term Debt Excluding Current Maturities And Convertible Debt LongTermDebtExcludingCurrentMaturitiesAndConvertibleDebt	4682000	usd
CY2023Q4	blze	Long Term Debt Excluding Current Maturities And Convertible Debt LongTermDebtExcludingCurrentMaturitiesAndConvertibleDebt	4128000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	4073000	usd
CY2024Q3	blze	Finance Lease Liability And Lease Financing Obligation Noncurrent FinanceLeaseLiabilityAndLeaseFinancingObligationNoncurrent	11881000	usd
CY2023Q4	blze	Finance Lease Liability And Lease Financing Obligation Noncurrent FinanceLeaseLiabilityAndLeaseFinancingObligationNoncurrent	13310000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8151000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	192388000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-181608000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-147454000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	44938000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	136244000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	131687000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	32589000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25299000	usd
CY2024Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	12442000	usd
CY2024Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	224435000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93842000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	73282000	usd
CY2024Q3	us-gaap	Cost Of Revenue CostOfRevenue	14789000	usd
CY2023Q3	us-gaap	Cost Of Revenue CostOfRevenue	13546000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	43002000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	38509000	usd
CY2024Q3	us-gaap	Gross Profit GrossProfit	17800000	usd
CY2023Q3	us-gaap	Gross Profit GrossProfit	11753000	usd
	us-gaap	Gross Profit GrossProfit	50840000	usd
	us-gaap	Gross Profit GrossProfit	34773000	usd
CY2024Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	10734000	usd
CY2023Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	9639000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	30069000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	30097000	usd
CY2023Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	10736000	usd
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	32736000	usd
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	31170000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	7541000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	6944000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20552000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	19786000	usd
CY2024Q3	us-gaap	Operating Expenses OperatingExpenses	29998000	usd
CY2023Q3	us-gaap	Operating Expenses OperatingExpenses	27319000	usd
	us-gaap	Operating Expenses OperatingExpenses	83357000	usd
	us-gaap	Operating Expenses OperatingExpenses	81053000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-15566000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-32517000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-46280000	usd
CY2024Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	313000	usd
CY2023Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	447000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1059000	usd
CY2024Q3	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	868000	usd
CY2023Q3	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	936000	usd
	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	2690000	usd
	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	2801000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-12753000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16055000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-34148000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47505000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
	us-gaap	Net Income Loss NetIncomeLoss	-34154000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-47505000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.29
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.29
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.44
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.44
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.81
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.81
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.35
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.35
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36665195	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36665195	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41973727	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41973727	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35255672	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35255672	shares
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	45098000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	-12753000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1337000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3426000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	1359000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	1171000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7388000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7553000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-8998000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3929000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16630000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	11165000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7632000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	73282000	usd
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	segment
CY2024Q3	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://www.backblaze.com/20240930#FinanceLeaseLiabilityAndLeaseFinancingObligationCurrent http://www.backblaze.com/20240930#FinanceLeaseLiabilityAndLeaseFinancingObligationNoncurrent
CY2024Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	5210000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	42831000	usd
CY2024Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	11723000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-12198000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	-12753000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43515110	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43515110	shares
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9149000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	42831000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	54185000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1359000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20845000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	68748000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-47505000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3309000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1171000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	19787000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	47358000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	33000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-113000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1708000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1839000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	21268000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18337000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	19495000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	18670000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	289000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	242000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	314000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	0	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1962000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1135000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	140000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-867000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	423000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	313000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-383000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-592000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	837000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-366000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	5300000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	1697000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-1266000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-1968000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10272000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-10598000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	32501000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	19492000	usd
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	31402000	usd
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	57380000	usd
	blze	Proceeds From Sale Of Property Plant And Equipment Net Of Expenses ProceedsFromSaleOfPropertyPlantAndEquipmentNetOfExpenses	337000	usd
	blze	Proceeds From Sale Of Property Plant And Equipment Net Of Expenses ProceedsFromSaleOfPropertyPlantAndEquipmentNetOfExpenses	319000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	885000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5066000	usd
	us-gaap	Payments For Software PaymentsForSoftware	10235000	usd
	us-gaap	Payments For Software PaymentsForSoftware	11061000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11882000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	22080000	usd
	blze	Principal Payments On Capital Lease And Lease Financing Obligations PrincipalPaymentsOnCapitalLeaseAndLeaseFinancingObligations	14755000	usd
	blze	Principal Payments On Capital Lease And Lease Financing Obligations PrincipalPaymentsOnCapitalLeaseAndLeaseFinancingObligations	14878000	usd
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	554000	usd
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	4273000	usd
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	2500000	usd
	blze	Payments Of Principal On Insurance Premium Financing PaymentsOfPrincipalOnInsurancePremiumFinancing	893000	usd
	blze	Payments Of Principal On Insurance Premium Financing PaymentsOfPrincipalOnInsurancePremiumFinancing	1545000	usd
	blze	Proceeds From Lease Financing Financing Activity ProceedsFromLeaseFinancingFinancingActivity	0	usd
	blze	Proceeds From Lease Financing Financing Activity ProceedsFromLeaseFinancingFinancingActivity	2500000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	6347000	usd
CY2024Q3	us-gaap	Cash Cash	2950000	usd
CY2023Q3	us-gaap	Cash Cash	9016000	usd
CY2023Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	6078000	usd
CY2024Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	4682000	usd
CY2023Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7632000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15094000	usd
	us-gaap	Interest Paid Net InterestPaidNet	2692000	usd
	us-gaap	Interest Paid Net InterestPaidNet	2752000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	54000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	58000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	2041000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	2174000	usd
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	3162000	usd
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	3703000	usd
	blze	Accrued Bonus Settled In Restricted Stock Units AccruedBonusSettledInRestrictedStockUnits	3507000	usd
	blze	Accrued Bonus Settled In Restricted Stock Units AccruedBonusSettledInRestrictedStockUnits	1848000	usd
	blze	Accrued Bonus Classified As Stock Based Compensation AccruedBonusClassifiedAsStockBasedCompensation	1812000	usd
	blze	Accrued Bonus Classified As Stock Based Compensation AccruedBonusClassifiedAsStockBasedCompensation	2586000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	11355000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	11995000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	94000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	131000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7457000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5568000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Organization and Description of Business<div style="margin-top:12pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Description of Business</span></div><div style="margin-top:12pt;text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Backblaze</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, Inc. and its subsidiaries (collectively, “Ba</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">ckblaze” or the “Company”) is a storage cloud platform, providing businesses and consumers with solutions to store and use their data. Backblaze provides these cloud services through purpose-built, web-scale software built on commodity hardware. Backblaze was incorporated in the state of Delaware on April 20, 2007 and is headquartered in San Mateo, California.</span></div>
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassifications</span></div><div style="margin-top:12pt;text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Certain reclassifications have been made to prior periods to confirm with current year presentation.</span></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported and disclosed in the condensed consolidated financial statements and the accompanying notes. Such estimates and assumptions include the costs to be capitalized as internal-use software, which include determining whether projects will result in new or additional functionality, the useful lives of other long-lived assets, impairment considerations for long-lived assets, the incremental borrowing rate for lease agreements, lease and non-lease component allocation, estimates related to variable consideration, valuation of the Company’s ESPP expense, and accounting for income taxes, including estimates for deferred tax assets, valuation allowance, and uncertain tax positions. The Company bases its estimates on historical experience and on assumptions that management considers reasonable. Future actual results could differ materially from these estimates.</span></div>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:12pt;text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentrations and Risks and Uncertainties</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Liquidity. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company believes that its existing cash, cash equivalents and short-term investments together with cash provided by operations, will be sufficient to support its working capital and capital expenditure requirements for at least the next 12 months. However, to achieve its continued growth and objectives, the Company may need to obtain additional sources of financing which may include entering into lease agreements, sale-leaseback arrangements, credit facilities, other debt financing arrangements for the purpose of acquiring infrastructure equipment and to fund its operations, or pursue equity financing. In the event that the Company requires additional financing, it may not be able to raise such financing on terms acceptable to us or at all. If the Company is unable to obtain additional sources of financing, raise additional capital or generate cash flows necessary to expand its operations and invest in continued innovation, it may not be able to compete successfully, which would harm its business, results of operations and financial condition.<br/><br/></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Credit risk.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Financial instruments that potentially subject the Company to credit risk primarily consist of cash, cash equivalents, accounts receivable, short-term investments, and unbilled accounts receivable. The Company maintains its cash, restricted cash, and short-term investments with high-quality financial institutions with investment-grade ratings. In the event of a failure of any financial institutions where the Company maintains deposits, it may lose timely access to its funds at such institutions and incur significant losses to the extent its funds exceed the $250,000 limit insured by the Federal Deposit Insurance Corporation. Deposits with these financial institutions may exceed the amount of insurance provided on such deposits. For accounts receivable, the Company is exposed to credit risk in the event of nonpayment by customers to the extent of the amount recorded on the condensed consolidated balance sheets. While the Company and its bank has not been directly affected by the failures of certain banks, the banking industry overall has experienced disruption and uncertainty, which could put additional pressures on the Company’s bank and other banks, and may negatively impact the availability and costs for various banking and investment offerings. The Company does not have separate collateral requirements to support financial instruments subject to credit risk.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Vendors.</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The Company acquires infrastructure equipment from third-party vendors. Vendors may have limited sources of equipment and supplies, which may expose the Company to potential supply and service disruptions that could harm the Company’s busine</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">ss.</span></div><div style="text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table presents concentrations related to the Company’s cash disbursements, accounts payable transactions, and accounts receivable transactions:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:44.354%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.081%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.406%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.081%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.406%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.081%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.406%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.085%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">Three Months Ended September 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">Nine Months Ended September 30,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2024</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2023</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2024</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2023</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Cash disbursement concentration</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Number of vendors</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Total cash disbursements represented by vendors listed above</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">40%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21%</span></td></tr><tr style="height:6pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:6pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">September 30,<br/>2024</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">December 31,<br/>2023</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Accounts payable concentration</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Number of vendors</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Total accounts payable balance represented by vendors listed above</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">42%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">30%</span></td></tr><tr style="height:6pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Accounts receivable concentration</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Number of customers</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Total accounts receivable balance represented by customers listed above</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">36%</span></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Revenue.</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The Company derives substantially all of its revenue from the services operating on its Backblaze Storage Cloud platform: its Backblaze B2 Cloud Storage (“Backblaze B2”) and Backblaze Computer Backup (“Computer Backup”) offerings. The potential for severe impact to the Company’s business could result if the Company was unable to operate its platform or serve customers through its platform for an extended period of time.</span></div>
CY2024Q3	us-gaap	Capitalized Contract Cost Amortization Period CapitalizedContractCostAmortizationPeriod	P5Y
CY2024Q3	us-gaap	Capitalized Contract Cost Accumulated Impairment CapitalizedContractCostAccumulatedImpairment	0	usd
CY2023Q4	us-gaap	Capitalized Contract Cost Accumulated Impairment CapitalizedContractCostAccumulatedImpairment	0	usd
CY2024Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	35349000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	30049000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	11941000	usd
CY2023Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	9694000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	23215000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	20509000	usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	38600000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	32589000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25299000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93842000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	73282000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	32589000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25299000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93842000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93842000	usd
CY2024Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	17931000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	7000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	17938000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	17931000	usd
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	16799000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	10000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	16789000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	16799000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	17931000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	17938000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	17931000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	17938000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	16799000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	16789000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	16799000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	16789000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0	usd
CY2023Q4	blze	Debt Securities Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	4	security
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	16789000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10000	usd
CY2023Q4	blze	Debt Securities Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesHeldToMaturityUnrealizedLossPositionNumberOfPositions	4	security
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	16789000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	10000	usd
CY2024Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	2601000	usd
CY2023Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	2375000	usd
CY2024Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2570000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2313000	usd
CY2024Q3	blze	Receivables From Payment Processor Current ReceivablesFromPaymentProcessorCurrent	1533000	usd
CY2023Q4	blze	Receivables From Payment Processor Current ReceivablesFromPaymentProcessorCurrent	1276000	usd
CY2024Q3	us-gaap	Prepaid Insurance PrepaidInsurance	0	usd
CY2023Q4	us-gaap	Prepaid Insurance PrepaidInsurance	1001000	usd
CY2024Q3	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	1550000	usd
CY2023Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	1448000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8254000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8413000	usd
CY2024Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	134143000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	124963000	usd
CY2024Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	92611000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	79363000	usd
CY2024Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	41532000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	45600000	usd
CY2024Q3	us-gaap	Depreciation Depreciation	5400000	usd
CY2023Q3	us-gaap	Depreciation Depreciation	5500000	usd
	us-gaap	Depreciation Depreciation	16400000	usd
	us-gaap	Depreciation Depreciation	15800000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	200000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	300000	usd
CY2024Q3	blze	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	57261000	usd
CY2023Q4	blze	Property Plant And Equipment And Operating Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndOperatingLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	55580000	usd
CY2024Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	56696000	usd
CY2023Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	43300000	usd
CY2024Q3	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	15659000	usd
CY2024Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	41037000	usd
CY2024Q3	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	1900000	usd
CY2024Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	2597000	usd
CY2024Q3	blze	Employee Stock Purchase Plan Withholding Current EmployeeStockPurchasePlanWithholdingCurrent	1366000	usd
CY2024Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1129000	usd
CY2024Q3	blze	Value Added Tax Payable ValueAddedTaxPayable	1096000	usd
CY2024Q3	blze	Financed Insurance Premiums Current FinancedInsurancePremiumsCurrent	0	usd
CY2024Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	828000	usd
CY2024Q3	blze	Accrued Liabilities And Other Liabilities Current AccruedLiabilitiesAndOtherLiabilitiesCurrent	7016000	usd
CY2023Q4	blze	Accrued Liabilities And Other Liabilities Current AccruedLiabilitiesAndOtherLiabilitiesCurrent	8768000	usd
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y8M12D
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.110
CY2023Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3932000	usd
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	11831000	usd
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	11157000	usd
CY2024Q3	blze	Finance Lease Cost FinanceLeaseCost	3704000	usd
	blze	Finance Lease Cost FinanceLeaseCost	11601000	usd
	blze	Finance Lease Cost FinanceLeaseCost	12547000	usd
CY2024Q3	blze	Finance Lease Cost Interest Expense FinanceLeaseCostInterestExpense	596000	usd
CY2023Q3	blze	Finance Lease Cost Interest Expense FinanceLeaseCostInterestExpense	718000	usd
	blze	Finance Lease Cost Interest Expense FinanceLeaseCostInterestExpense	2170000	usd
CY2024Q3	blze	Lease Financing Obligation LeaseFinancingObligation	820000	usd
CY2023Q3	blze	Lease Financing Obligation LeaseFinancingObligation	325000	usd
	blze	Lease Financing Obligation LeaseFinancingObligation	2549000	usd
CY2023Q3	blze	Lease Financing Obligation Interest Expense LeaseFinancingObligationInterestExpense	64000	usd
	blze	Lease Financing Obligation Interest Expense LeaseFinancingObligationInterestExpense	549000	usd
	blze	Lease Financing Obligation Interest Expense LeaseFinancingObligationInterestExpense	223000	usd
CY2024Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	750000	usd
CY2023Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	783000	usd
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2319000	usd
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2393000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	5068000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Remainder Of Fiscal Year1 MinimumLeasePaymentsSaleLeasebackTransactionsRemainderOfFiscalYear1	803000	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Remainder Of Fiscal Year FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsRemainderOfFiscalYear	5871000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	13079000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Within One Year1 MinimumLeasePaymentsSaleLeasebackTransactionsWithinOneYear1	2921000	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Year One FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsYearOne	16000000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	7145000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Within Two Years1 MinimumLeasePaymentsSaleLeasebackTransactionsWithinTwoYears1	0	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Year Two FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsYearTwo	7145000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2431000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Within Three Years1 MinimumLeasePaymentsSaleLeasebackTransactionsWithinThreeYears1	0	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Year Three FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsYearThree	2431000	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Within Four Years1 MinimumLeasePaymentsSaleLeasebackTransactionsWithinFourYears1	0	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Year Four FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsYearFour	0	usd
CY2024Q3	blze	Finance Lease Liability To Be Paid After Year Four FinanceLeaseLiabilityToBePaidAfterYearFour	0	usd
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CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions After Year Four FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsAfterYearFour	0	usd
CY2024Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	27723000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Payment Due MinimumLeasePaymentsSaleLeasebackTransactionsPaymentDue	3724000	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Payment Due FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsPaymentDue	31447000	usd
CY2024Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	2710000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions Undiscounted Excess Amount MinimumLeasePaymentsSaleLeasebackTransactionsUndiscountedExcessAmount	336000	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions Undiscounted Excess Amount FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactionsUndiscountedExcessAmount	3046000	usd
CY2024Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	25013000	usd
CY2024Q3	blze	Minimum Lease Payments Sale Leaseback Transactions1 MinimumLeasePaymentsSaleLeasebackTransactions1	3388000	usd
CY2024Q3	blze	Finance Lease Liability And Minimum Lease Payments Sale Leaseback Transactions FinanceLeaseLiabilityAndMinimumLeasePaymentsSaleLeasebackTransactions	28401000	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y7M6D
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.070
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CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.071
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1493000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4547000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4034000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3042000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3024000	usd
CY2024Q3	blze	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	2852000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	18992000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2697000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	16295000	usd
CY2024Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	3190000	usd
CY2023Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2583000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	8998000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	7930000	usd
CY2024Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	1100000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P3Y
CY2024Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	6000000.0	usd
CY2024Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Due In Remainder Of Fiscal Year UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear	1400000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P5Y
CY2024Q3	us-gaap	Purchase Obligation Future Minimum Payments Remainder Of Fiscal Year PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear	300000	usd
CY2024Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	900000	usd
CY2024Q3	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	500000	usd
CY2023Q3	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	500000	usd
	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1500000	usd
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CY2024Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	4700000	usd
CY2024Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	20967834	shares
CY2023Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	22927115	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9307142	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.41
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y6M25D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	31250000	usd
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	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
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	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	287388	shares
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CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6883987	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.16
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y25D
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	15150000	usd
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	6283883	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	6.46
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P4Y10M20D
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	15017000	usd
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	6883987	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	7.16
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y25D
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	15150000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	12500000	usd
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CY2024Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	4500000	usd
CY2024Q3	blze	Employee Stock Purchase Plan Withholding Current EmployeeStockPurchasePlanWithholdingCurrent	1400000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8438000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7958000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19495000	usd
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CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Incremental Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost	1000000	usd
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6568548	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	16202427	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7826746	shares
CY2023Q3	us-gaap	Restructuring Charges RestructuringCharges	12000	usd
CY2022Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	usd
	us-gaap	Restructuring Charges RestructuringCharges	3616000	usd
	us-gaap	Payments For Restructuring PaymentsForRestructuring	3604000	usd
CY2023Q3	us-gaap	Restructuring Reserve RestructuringReserve	12000	usd
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6000	usd
CY2024Q3	us-gaap	Restructuring Reserve RestructuringReserve	0	usd

Files In Submission

Name	View Source	Status
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
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R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
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0001462056-24-000053-index-headers.html	Edgar Link	pending
0001462056-24-000053-index.html	Edgar Link	pending
0001462056-24-000053.txt	Edgar Link	pending
0001462056-24-000053-xbrl.zip	Edgar Link	pending
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blze-20240930.xsd	Edgar Link	pending
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ex322blze10-q20240930.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
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R3.htm	Edgar Link	pending
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R60.htm	Edgar Link	pending
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R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending

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$BLZE
Backblaze, Inc. Stock $blze

2024 Q4 Form 10-Q Financial Statement

#000146205624000053 Filed on November 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BLZE Backblaze, Inc. Stock $blze

2024 Q4 Form 10-Q Financial Statement

#000146205624000053 Filed on November 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BLZE
Backblaze, Inc. Stock $blze