$BLKB
BLACKBAUD INC Stock $blkb

$blkb Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000128005824000065 Filed on October 30, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$286.7M
YoY Change		3.28%
Cost Of Revenue		$127.5M
YoY Change		4.72%
Gross Profit		$159.2M
YoY Change		2.15%
Gross Profit Margin		55.53%
Selling, General & Admin		$75.10M
YoY Change		-21.0%
% of Gross Profit		47.17%
Research & Development		$39.37M
YoY Change		3.7%
% of Gross Profit		24.73%
Depreciation & Amortization		$31.06M
YoY Change		10.95%
% of Gross Profit		19.51%
Operating Expenses		$115.4M
YoY Change		-13.77%
Operating Profit		$43.83M
YoY Change		98.81%
Interest Expense		$14.14M
YoY Change		46.99%
% of Operating Profit		32.26%
Other Income/Expense, Net		$1.194M
YoY Change		22.34%
Pretax Income		$32.68M
YoY Change		80.7%
Income Tax		$12.14M
% Of Pretax Income		37.15%
Net Earnings		$20.54M
YoY Change		127.81%
Net Earnings / Revenue		7.16%
Basic Earnings Per Share		$0.41
Diluted Earnings Per Share		$0.40
COMMON SHARES
Basic Shares Outstanding	50.72M shares	51.63M shares
Diluted Shares Outstanding		51.63M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$34.63M
YoY Change		11.36%
Cash & Equivalents	$67.63M	$34.63M
Short-Term Investments
Other Short-Term Assets		$501.8M
YoY Change		16.1%
Inventory
Prepaid Expenses
Receivables	$83.54M	$97.99M
Other Receivables		$14.72M
Total Short-Term Assets	$976.3M	$655.6M
YoY Change	5.01%	13.14%
LONG-TERM ASSETS
Property, Plant & Equipment	$91.93M	$95.05M
YoY Change	-6.85%	-5.49%
Goodwill	$1.053B	$1.057B
YoY Change	-0.12%	0.54%
Intangibles	$132.9M	$536.0M
YoY Change	-77.17%	-9.79%
Long-Term Investments	$4.943M	$5.284M
YoY Change
Other Assets	$67.22M	$60.44M
YoY Change	31.71%	-27.75%
Total Long-Term Assets	$1.519B	$1.945B
YoY Change	-23.36%	-3.88%
TOTAL ASSETS
Total Short-Term Assets	$976.3M	$655.6M
Total Long-Term Assets	$1.519B	$1.945B
Total Assets	$2.496B	$2.601B
YoY Change	-14.3%	-0.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$43.98M
YoY Change		11.63%
Accrued Expenses		$18.84M
YoY Change		-71.84%
Deferred Revenue	$359.5M	$411.6M
YoY Change	-8.41%	-1.02%
Short-Term Debt		$0.00
YoY Change
Long-Term Debt Due	$23.88M	$23.83M
YoY Change	23.97%	24.0%
Total Short-Term Liabilities	$1.252B	$962.2M
YoY Change	4.59%	2.62%
LONG-TERM LIABILITIES
Long-Term Debt	$1.051B	$977.0M
YoY Change	38.23%	35.06%
Other Long-Term Liabilities	$4.796M	$12.30M
YoY Change	-53.25%	313.44%
Total Long-Term Liabilities	$1.056B	$989.3M
YoY Change	37.01%	36.2%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.252B	$962.2M
Total Long-Term Liabilities	$1.056B	$989.3M
Total Liabilities	$2.354B	$2.057B
YoY Change	11.89%	14.06%
SHAREHOLDERS EQUITY
Retained Earnings	-$84.30M	$246.5M
YoY Change	-142.39%	27.39%
Common Stock	$1.292B	$1.227B
YoY Change	7.35%	4.81%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.060B
YoY Change	79.25%
Treasury Stock Shares
Shareholders Equity	$142.0M	$544.3M
YoY Change
Total Liabilities & Shareholders Equity	$2.496B	$2.601B
YoY Change	-14.3%	-0.09%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$20.54M
YoY Change		127.81%
Depreciation, Depletion And Amortization		$31.06M
YoY Change		10.95%
Cash From Operating Activities		$104.0M
YoY Change		-18.79%
INVESTING ACTIVITIES
Capital Expenditures		$15.61M
YoY Change		-10.3%
Acquisitions
YoY Change
Other Investing Activities		$0.00
YoY Change		-100.0%
Cash From Investing Activities		-$15.61M
YoY Change		-11.82%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		-460.8M
YoY Change		-9.14%
NET CHANGE
Cash From Operating Activities		104.0M
Cash From Investing Activities		-15.61M
Cash From Financing Activities		-460.8M
Net Change In Cash		-372.4M
YoY Change		-6.14%
FREE CASH FLOW
Cash From Operating Activities		$104.0M
Capital Expenditures		$15.61M
Free Cash Flow		$88.34M
YoY Change		-20.12%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	Blackbaud, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Address Address Line1 EntityAddressAddressLine1	65 Fairchild Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Charleston
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	69000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1203012000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	15562864	shares
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	591557000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	198869000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	808705000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2912279000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	277626000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	810421000	usd
CY2023Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	121766000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	378423000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	366353000	usd
CY2023Q3	us-gaap	Gross Profit GrossProfit	155860000	usd
	us-gaap	Gross Profit GrossProfit	474840000	usd
	us-gaap	Gross Profit GrossProfit	444068000	usd
CY2023Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	52462000	usd
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	147400000	usd
	us-gaap	Interest Expense InterestExpense	31449000	usd
	blkb	Nonoperating Income Expense Excluding Interest Expense NonoperatingIncomeExpenseExcludingInterestExpense	9654000	usd
	blkb	Nonoperating Income Expense Excluding Interest Expense NonoperatingIncomeExpenseExcludingInterestExpense	10447000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	18086000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	66159000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-8611000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9069000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18567000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5032000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	9017000	usd
	us-gaap	Net Income Loss NetIncomeLoss	47592000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-3579000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-31163000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1388000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2462000	usd
	blkb	Increase Decrease Accrued Expenses And Other Liabilities IncreaseDecreaseAccruedExpensesAndOtherLiabilities	-16373000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	18998000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	222386000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	2105000	usd
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	11-2617163
	dei	Entity Address State Or Province EntityAddressStateOrProvince	SC
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	29492
	dei	City Area Code CityAreaCode	843
	dei	Local Phone Number LocalPhoneNumber	216-6200
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	853263000	usd
CY2023Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	37965000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2355000	usd
CY2023Q3	us-gaap	Operating Expenses OperatingExpenses	133816000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51067255	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52495556	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54089897	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52107147	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52495556	shares
CY2023Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4794000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	5617000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	419000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	4093000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-10816000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-701000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5199000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-797000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	42393000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-3579000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	81627000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4815000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	95668000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7235000	usd
	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	42882000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5029000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-56325000	usd
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	1303400000	usd
	us-gaap	Repayments Of Debt RepaymentsOfDebt	1080192000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	55950000	usd
	blkb	Increase Decrease In Due To Customers IncreaseDecreaseInDueToCustomers	263732000	usd
	blkb	Change In Customer Funds Receivable ChangeInCustomerFundsReceivable	-6777000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	728257000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52704974	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51632569	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Central Index Key EntityCentralIndexKey	0001280058
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Trading Symbol TradingSymbol	BLKB
	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
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	50717678	shares
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34633000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	31251000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	428095000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	697006000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6307000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6907000	usd
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CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	101862000	usd
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CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	87499000	usd
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CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	27522000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	36927000	usd
CY2024Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	169507000	usd
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CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2600974000	usd
	dei	Amendment Flag AmendmentFlag	false
CY2024Q3	blkb	Due To Customers Current DueToCustomersCurrent	434093000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	962205000	usd
CY2024Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1227198000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1688000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	286727000	usd
CY2024Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	127517000	usd
CY2024Q3	us-gaap	Gross Profit GrossProfit	159210000	usd
CY2024Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	49454000	usd
CY2024Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39368000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25645000	usd
CY2024Q3	us-gaap	Operating Expenses OperatingExpenses	115385000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	43825000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12140000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	20542000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.41
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2024Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	6463000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-13525000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7062000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	8316000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-4376000	usd
	us-gaap	Net Income Loss NetIncomeLoss	47592000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	91618000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1721000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	76430000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-21776000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1786000	usd
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-1561000	usd
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-5106000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4757000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	33679000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	202983000	usd
	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	44664000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	733931000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://www.blackbaud.com/20240930#AccruedExpensesAndOtherCurrentLiabilities
CY2024Q3	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://www.blackbaud.com/20240930#AccruedExpensesAndOtherCurrentLiabilities
CY2023Q4	us-gaap	Supplier Finance Program Obligation Statement Of Financial Position Extensible Enumeration SupplierFinanceProgramObligationStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#LongTermDebtCurrent http://fasb.org/us-gaap/2024#LongTermDebtNoncurrent
CY2024Q3	us-gaap	Supplier Finance Program Obligation Statement Of Financial Position Extensible Enumeration SupplierFinanceProgramObligationStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#LongTermDebtCurrent http://fasb.org/us-gaap/2024#LongTermDebtNoncurrent
CY2023Q4	us-gaap	Derivative Asset Current Statement Of Financial Position Extensible Enumeration DerivativeAssetCurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#PrepaidExpenseAndOtherAssetsCurrent
CY2024Q3	us-gaap	Derivative Asset Current Statement Of Financial Position Extensible Enumeration DerivativeAssetCurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#PrepaidExpenseAndOtherAssetsCurrent
CY2024Q3	us-gaap	Derivative Asset Noncurrent Statement Of Financial Position Extensible Enumeration DerivativeAssetNoncurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherAssetsNoncurrent
CY2023Q4	us-gaap	Derivative Asset Noncurrent Statement Of Financial Position Extensible Enumeration DerivativeAssetNoncurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherAssetsNoncurrent
CY2023Q4	us-gaap	Derivative Liability Current Statement Of Financial Position Extensible Enumeration DerivativeLiabilityCurrentStatementOfFinancialPositionExtensibleEnumeration	http://www.blackbaud.com/20240930#AccruedExpensesAndOtherCurrentLiabilities
CY2024Q3	us-gaap	Derivative Liability Current Statement Of Financial Position Extensible Enumeration DerivativeLiabilityCurrentStatementOfFinancialPositionExtensibleEnumeration	http://www.blackbaud.com/20240930#AccruedExpensesAndOtherCurrentLiabilities
CY2023Q4	us-gaap	Derivative Liability Noncurrent Statement Of Financial Position Extensible Enumeration DerivativeLiabilityNoncurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherLiabilitiesNoncurrent
CY2024Q3	us-gaap	Derivative Liability Noncurrent Statement Of Financial Position Extensible Enumeration DerivativeLiabilityNoncurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherLiabilitiesNoncurrent
CY2024Q3	us-gaap	Derivative Instrument Gain Loss Reclassified From Aoci Into Income Effective Portion Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeInstrumentGainLossReclassifiedFromAociIntoIncomeEffectivePortionStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestExpense http://fasb.org/us-gaap/2024#RevenueFromContractWithCustomerExcludingAssessedTax
	us-gaap	Derivative Instrument Gain Loss Reclassified From Aoci Into Income Effective Portion Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeInstrumentGainLossReclassifiedFromAociIntoIncomeEffectivePortionStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestExpense http://fasb.org/us-gaap/2024#RevenueFromContractWithCustomerExcludingAssessedTax
	us-gaap	Derivative Instrument Gain Loss Reclassified From Aoci Into Income Effective Portion Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeInstrumentGainLossReclassifiedFromAociIntoIncomeEffectivePortionStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestExpense http://fasb.org/us-gaap/2024#RevenueFromContractWithCustomerExcludingAssessedTax
CY2023Q3	us-gaap	Derivative Instrument Gain Loss Reclassified From Aoci Into Income Effective Portion Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeInstrumentGainLossReclassifiedFromAociIntoIncomeEffectivePortionStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestExpense http://fasb.org/us-gaap/2024#RevenueFromContractWithCustomerExcludingAssessedTax
	dei	Security12b Title Security12bTitle	Common Stock, $0.001 Par Value
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	60444000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	392530000	usd
CY2024Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	20086722	shares
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50409292	shares
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1216000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13480000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4243000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	13000	usd
	blkb	Cash Used In Divestiture Of Businesses CashUsedInDivestitureOfBusinesses	1179000	usd
	blkb	Cash Used In Divestiture Of Businesses CashUsedInDivestitureOfBusinesses	0	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	250000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-49170000	usd
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	175800000	usd
	us-gaap	Repayments Of Debt RepaymentsOfDebt	293957000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6458000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	35568000	usd
	blkb	Increase Decrease In Due To Customers IncreaseDecreaseInDueToCustomers	339735000	usd
	blkb	Change In Customer Funds Receivable ChangeInCustomerFundsReceivable	-3286000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	325408000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-435117000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-496746000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	3527000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-311000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-265529000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-343244000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	462728000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	390687000	usd
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34633000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	31251000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	428095000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	697006000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	462728000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	728257000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	808705000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	5246000	usd
CY2024Q1	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	263656000	usd
CY2024Q1	blkb	Exercise Of Stock Options And Stock Appreciation Rights Value ExerciseOfStockOptionsAndStockAppreciationRightsValue	0	usd
CY2024Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	52723000	usd
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	33570000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2910000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	534054000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	21804000	usd
CY2024Q2	blkb	Exercise Of Stock Options And Stock Appreciation Rights Value ExerciseOfStockOptionsAndStockAppreciationRightsValue	0	usd
CY2024Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1760000	usd
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	24286000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1047000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	577337000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	20542000	usd
CY2024Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	63597000	usd
CY2024Q3	blkb	Exercise Of Stock Options And Stock Appreciation Rights Value ExerciseOfStockOptionsAndStockAppreciationRightsValue	0	usd
CY2024Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1467000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18574000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7062000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	544327000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	744032000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-14701000	usd
CY2023Q1	blkb	Exercise Of Stock Options And Stock Appreciation Rights Value ExerciseOfStockOptionsAndStockAppreciationRightsValue	0	usd
CY2023Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	30990000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	29925000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	1000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8534000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	719733000	usd
CY2023Q2	blkb	Exercise Of Stock Options And Stock Appreciation Rights Value ExerciseOfStockOptionsAndStockAppreciationRightsValue	0	usd
CY2023Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2270000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	33364000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8438000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	761370000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	9017000	usd
CY2023Q3	blkb	Adjustments To Additional Paid In Capital Stock Issued Retirements AdjustmentsToAdditionalPaidInCapitalStockIssuedRetirements	13000	usd
CY2023Q3	blkb	Exercise Of Stock Options And Stock Appreciation Rights Value ExerciseOfStockOptionsAndStockAppreciationRightsValue	0	usd
CY2023Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1881000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	32379000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-701000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	800171000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of estimates</span></div><div style="margin-top:9pt;text-align:justify"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting periods. On an ongoing basis, we reconsider and evaluate our estimates and assumptions, including those that impact revenue recognition, long-lived and intangible assets, income taxes, business combinations, stock-based compensation, capitalization of software and content development costs, our allowances for credit losses and sales returns, costs of obtaining contracts, valuation of derivative instruments, loss contingencies and insurance recoveries, among others. Changes in the facts or circumstances underlying these estimates could result in material changes and actual results could materially differ from these estimates.</span></div>
CY2024Q1	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	1600000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	20542000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	9017000	usd
	us-gaap	Net Income Loss NetIncomeLoss	47592000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-3579000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50409292	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52704974	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51067255	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52495556	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1223277	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1384923	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1039892	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51632569	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54089897	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52107147	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52495556	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.41
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.07
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.07
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	47210	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21660	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	380392	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	474150	shares
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	3100000	usd
CY2024Q3	us-gaap	Restricted Cash RestrictedCash	426750000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	695489000	usd
CY2024Q3	us-gaap	Escrow Deposit EscrowDeposit	1345000	usd
CY2023Q4	us-gaap	Escrow Deposit EscrowDeposit	1517000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	428095000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	697006000	usd
CY2024Q3	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	60251000	usd
CY2023Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	62377000	usd
CY2024Q3	blkb	Prepaid Software Maintenance Current And Long Term PrepaidSoftwareMaintenanceCurrentAndLongTerm	34500000	usd
CY2023Q4	blkb	Prepaid Software Maintenance Current And Long Term PrepaidSoftwareMaintenanceCurrentAndLongTerm	35169000	usd
CY2024Q3	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized After Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization	10479000	usd
CY2023Q4	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized After Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedAfterAccumulatedAmortization	9259000	usd
CY2024Q3	blkb	Taxes Prepaid And Receivable Current And Long Term TaxesPrepaidAndReceivableCurrentAndLongTerm	7376000	usd
CY2023Q4	blkb	Taxes Prepaid And Receivable Current And Long Term TaxesPrepaidAndReceivableCurrentAndLongTerm	3418000	usd
CY2024Q3	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	6427000	usd
CY2023Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	5615000	usd
CY2024Q3	us-gaap	Equity Method Investments EquityMethodInvestments	5284000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	0	usd
CY2024Q3	blkb	Prepaid Insurance Currentand Longterm PrepaidInsuranceCurrentandLongterm	5026000	usd
CY2023Q4	blkb	Prepaid Insurance Currentand Longterm PrepaidInsuranceCurrentandLongterm	3940000	usd
CY2024Q3	blkb	Derivative Assets Current And Long Term DerivativeAssetsCurrentAndLongTerm	1753000	usd
CY2023Q4	blkb	Derivative Assets Current And Long Term DerivativeAssetsCurrentAndLongTerm	16198000	usd
CY2024Q3	us-gaap	Other Assets OtherAssets	16847000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	14346000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	147943000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	150322000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	60444000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	51037000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	87499000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	99285000	usd
CY2024Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	5100000	usd
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	14800000	usd
CY2023Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	7900000	usd
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	24300000	usd
CY2024Q3	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	19800000	usd
CY2023Q4	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	25300000	usd
CY2024Q3	blkb	Prepaid Software Maintenance And Subscriptions Current PrepaidSoftwareMaintenanceAndSubscriptionsCurrent	31800000	usd
CY2023Q4	blkb	Prepaid Software Maintenance And Subscriptions Current PrepaidSoftwareMaintenanceAndSubscriptionsCurrent	32400000	usd
CY2024Q3	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	800000	usd
	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	2100000	usd
	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	1800000	usd
CY2024Q3	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedAccumulatedAmortization	9800000	usd
CY2023Q4	us-gaap	Hosting Arrangement Service Contract Implementation Cost Capitalized Accumulated Amortization HostingArrangementServiceContractImplementationCostCapitalizedAccumulatedAmortization	7700000	usd
CY2024Q3	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	14168000	usd
CY2023Q4	us-gaap	Taxes Payable Current And Noncurrent TaxesPayableCurrentAndNoncurrent	21282000	usd
CY2024Q3	blkb	Accrued Customer Credit Balances Current And Long Term AccruedCustomerCreditBalancesCurrentAndLongTerm	9746000	usd
CY2023Q4	blkb	Accrued Customer Credit Balances Current And Long Term AccruedCustomerCreditBalancesCurrentAndLongTerm	10238000	usd
CY2024Q3	blkb	Unrecognized Tax Benefit Currentand Longterm UnrecognizedTaxBenefitCurrentandLongterm	6221000	usd
CY2023Q4	blkb	Unrecognized Tax Benefit Currentand Longterm UnrecognizedTaxBenefitCurrentandLongterm	2954000	usd
CY2024Q3	blkb	Derivative Liabilities Current And Long Term DerivativeLiabilitiesCurrentAndLongTerm	5994000	usd
CY2023Q4	blkb	Derivative Liabilities Current And Long Term DerivativeLiabilitiesCurrentAndLongTerm	5540000	usd
CY2024Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4707000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6701000	usd
CY2024Q3	blkb	Accrued Commissions And Salaries Current And Long Term AccruedCommissionsAndSalariesCurrentAndLongTerm	3086000	usd
CY2023Q4	blkb	Accrued Commissions And Salaries Current And Long Term AccruedCommissionsAndSalariesCurrentAndLongTerm	4413000	usd
CY2024Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	3029000	usd
CY2023Q4	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	3865000	usd
CY2024Q3	us-gaap	Accrued Vacation Current And Noncurrent AccruedVacationCurrentAndNoncurrent	2810000	usd
CY2023Q4	us-gaap	Accrued Vacation Current And Noncurrent AccruedVacationCurrentAndNoncurrent	2452000	usd
CY2024Q3	blkb	Accrued Transaction Based Costs Related To Payments Services AccruedTransactionBasedCostsRelatedToPaymentsServices	2290000	usd
CY2023Q4	blkb	Accrued Transaction Based Costs Related To Payments Services AccruedTransactionBasedCostsRelatedToPaymentsServices	4323000	usd
CY2024Q3	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	2156000	usd
CY2023Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	3659000	usd
CY2024Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	0	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1403000	usd
CY2024Q3	us-gaap	Other Liabilities OtherLiabilities	6842000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	7750000	usd
CY2024Q3	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	61049000	usd
CY2023Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	74580000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12304000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	10258000	usd
CY2024Q3	blkb	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	48745000	usd
CY2023Q4	blkb	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	64322000	usd
CY2024Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	3118000	usd
CY2023Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	3012000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	7981000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	6556000	usd
CY2024Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1315000	usd
CY2023Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1674000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1412000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	894000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1194000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	976000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3085000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2997000	usd
CY2024Q3	blkb	Nonoperating Income Expense Excluding Interest Expense NonoperatingIncomeExpenseExcludingInterestExpense	2997000	usd
CY2023Q3	blkb	Nonoperating Income Expense Excluding Interest Expense NonoperatingIncomeExpenseExcludingInterestExpense	5662000	usd
	blkb	Nonoperating Income Expense Excluding Interest Expense NonoperatingIncomeExpenseExcludingInterestExpense	9654000	usd
	blkb	Nonoperating Income Expense Excluding Interest Expense NonoperatingIncomeExpenseExcludingInterestExpense	10447000	usd
CY2024Q3	us-gaap	Supplier Finance Program Obligation SupplierFinanceProgramObligation	2782000	usd
CY2023Q4	us-gaap	Supplier Finance Program Obligation SupplierFinanceProgramObligation	2800000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1004335000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	781145000	usd
CY2024Q3	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0475
CY2023Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0424
CY2024Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-3486000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-1481000	usd
CY2024Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	23830000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	19259000	usd
CY2024Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	977019000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	760405000	usd
CY2022Q1	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1100000000	usd
CY2024Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1500000000	usd
CY2024Q2	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6500000	usd
CY2024Q2	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1600000	usd
CY2024Q3	us-gaap	Debt Issuance Costs Line Of Credit Arrangements Net DebtIssuanceCostsLineOfCreditArrangementsNet	1800000	usd
CY2024Q2	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-3600000	usd
CY2024Q2	blkb	Lineof Credit Facility Available Increase Capacity Amount LineofCreditFacilityAvailableIncreaseCapacityAmount	360000000.0	usd
CY2024Q2	blkb	Line Of Credit Facility Available Increase Capacity Percent Of Ebitda LineOfCreditFacilityAvailableIncreaseCapacityPercentOfEBITDA	1
CY2023Q4	us-gaap	Supplier Finance Program Obligation SupplierFinanceProgramObligation	2800000	usd
	us-gaap	Supplier Finance Program Obligation Increase SupplierFinanceProgramObligationIncrease	2073000	usd
	us-gaap	Supplier Finance Program Obligation Decrease Settlement SupplierFinanceProgramObligationDecreaseSettlement	2091000	usd
CY2024Q3	us-gaap	Supplier Finance Program Obligation SupplierFinanceProgramObligation	2782000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	5417000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	23875000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	22660000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	22166000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	22375000	usd
CY2024Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	907842000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	1004335000	usd
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	-2700000	usd
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	usd
	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	usd
CY2024Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	1417000	usd
CY2023Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2216000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	5028000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	6905000	usd
CY2024Q3	us-gaap	Variable Lease Cost VariableLeaseCost	271000	usd
CY2023Q3	us-gaap	Variable Lease Cost VariableLeaseCost	357000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	883000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	1184000	usd
CY2024Q3	us-gaap	Sublease Income SubleaseIncome	914000	usd
CY2023Q3	us-gaap	Sublease Income SubleaseIncome	833000	usd
	us-gaap	Sublease Income SubleaseIncome	2518000	usd
	us-gaap	Sublease Income SubleaseIncome	2498000	usd
CY2024Q3	us-gaap	Lease Cost LeaseCost	774000	usd
CY2023Q3	us-gaap	Lease Cost LeaseCost	1740000	usd
	us-gaap	Lease Cost LeaseCost	3393000	usd
	us-gaap	Lease Cost LeaseCost	5591000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1657000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6277000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	6109000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6207000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	6101000	usd
CY2024Q3	blkb	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	20689000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	47040000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7115000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	39925000	usd
CY2024Q3	blkb	Liability Insurance Amount Total LiabilityInsuranceAmountTotal	50000000	usd
CY2024Q3	blkb	Liability Insurance Amount Deductible LiabilityInsuranceAmountDeductible	250000	usd
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="margin-top:9pt;text-align:justify"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We recorded expenses and offsetting insurance recoveries related to the Security Incident as follows:</span></div><div style="margin-top:3pt"><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:47.291%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.622%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #004054;padding:0 1pt"></td><td colspan="6" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #004054;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">Three months ended</span></div><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">September 30,</span></div></td><td colspan="3" style="border-left:1pt solid #004054;padding:0 1pt"></td><td colspan="6" style="background-color:#004054;border-left:1pt solid #004054;border-right:1pt solid #004054;border-top:1pt solid #004054;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">Nine months ended</span></div><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">September 30,</span></div></td></tr><tr><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #004054;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">(dollars in thousands)</span></td><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">2024</span></div></td><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">2023</span></div></td><td colspan="3" style="border-left:1pt solid #004054;padding:0 1pt"></td><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">2024</span></div></td><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-right:1pt solid #004054;border-top:1pt solid #ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">2023</span></div></td></tr><tr><td colspan="3" style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Gross expense</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">637 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4,086 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ebfbff;padding:0 1pt"></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12,782 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,646 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Offsetting insurance recoveries</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Net expense</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">637 </span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4,086 </span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:0 1pt"></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12,782 </span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,646 </span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;border-top:1pt solid #51555c;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:9pt;text-align:justify"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following summarizes our cumulative expenses, insurance recoveries recognized and insurance recoveries paid as of:</span></div><div style="margin-top:3pt"><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:73.461%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.620%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #004054;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">(dollars in thousands)</span></td><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-top:1pt solid #004054;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">September 30,<br/>2024</span></td><td colspan="3" style="background-color:#004054;border-left:1pt solid #004054;border-right:1pt solid #004054;border-top:1pt solid #004054;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#ffffff;font-family:'Calibri',sans-serif;font-size:8pt;font-weight:700;line-height:120%">December 31,<br/>2023</span></td></tr><tr><td colspan="3" style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Cumulative gross expense</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">174,213 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">161,431 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #004054;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Cumulative offsetting insurance recoveries recognized</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(50,000)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(50,000)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ebfbff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Cumulative net expense</span></td><td style="background-color:#ebfbff;border-top:1pt solid #51555c;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #51555c;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">124,213 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #51555c;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-top:1pt solid #51555c;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-top:1pt solid #51555c;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">111,431 </span></td><td style="background-color:#ebfbff;border-top:1pt solid #51555c;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #51555c;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #51555c;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Cumulative offsetting insurance recoveries paid</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(50,000)</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#51555c;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(50,000)</span></td><td style="background-color:#ebfbff;border-bottom:1pt solid #0cd973;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div>
CY2024Q3	blkb	Security Incident Expense SecurityIncidentExpense	637000	usd
CY2023Q3	blkb	Security Incident Expense SecurityIncidentExpense	4086000	usd
	blkb	Security Incident Expense SecurityIncidentExpense	12782000	usd
	blkb	Security Incident Expense SecurityIncidentExpense	48646000	usd
CY2024Q3	blkb	Security Incident Accrued Insurance Recoveries SecurityIncidentAccruedInsuranceRecoveries	0	usd
CY2023Q3	blkb	Security Incident Accrued Insurance Recoveries SecurityIncidentAccruedInsuranceRecoveries	0	usd
	blkb	Security Incident Accrued Insurance Recoveries SecurityIncidentAccruedInsuranceRecoveries	0	usd
	blkb	Security Incident Accrued Insurance Recoveries SecurityIncidentAccruedInsuranceRecoveries	0	usd
CY2024Q3	blkb	Security Incident Net Expense SecurityIncidentNetExpense	637000	usd
CY2023Q3	blkb	Security Incident Net Expense SecurityIncidentNetExpense	4086000	usd
	blkb	Security Incident Net Expense SecurityIncidentNetExpense	12782000	usd
	blkb	Security Incident Net Expense SecurityIncidentNetExpense	48646000	usd
CY2024Q3	blkb	Security Incident Cumulative Expense SecurityIncidentCumulativeExpense	174213000	usd
CY2023Q4	blkb	Security Incident Cumulative Expense SecurityIncidentCumulativeExpense	161431000	usd
CY2024Q3	blkb	Security Incident Cumulative Accrued Insurance Recoveries SecurityIncidentCumulativeAccruedInsuranceRecoveries	50000000	usd
CY2023Q4	blkb	Security Incident Cumulative Accrued Insurance Recoveries SecurityIncidentCumulativeAccruedInsuranceRecoveries	50000000	usd
CY2024Q3	blkb	Security Incident Cumulative Net Expense SecurityIncidentCumulativeNetExpense	124213000	usd
CY2023Q4	blkb	Security Incident Cumulative Net Expense SecurityIncidentCumulativeNetExpense	111431000	usd
	us-gaap	Insurance Recoveries InsuranceRecoveries	50000000	usd
	us-gaap	Insurance Recoveries InsuranceRecoveries	50000000	usd
	blkb	Security Incident Net Pre Tax Expense SecurityIncidentNetPreTaxExpense	12800000	usd
	blkb	Security Incident Ongoing Legal Fees SecurityIncidentOngoingLegalFees	6000000.0	usd
	us-gaap	Loss Contingency Accrual Carrying Value Period Increase Decrease LossContingencyAccrualCarryingValuePeriodIncreaseDecrease	6800000	usd
CY2024Q3	blkb	Security Incident Net Cash Outlays SecurityIncidentNetCashOutlays	15100000	usd
CY2024Q2	blkb	Security Incident Penalty SecurityIncidentPenalty	6800000	usd
CY2024Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	700000	usd
	us-gaap	Loss Contingency Number Of Plaintiffs LossContingencyNumberOfPlaintiffs	260	cases
CY2024Q3	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	400	cases
	blkb	Security Incident Subrogation Claims Number SecurityIncidentSubrogationClaimsNumber	2	cases
CY2024Q2	blkb	Security Incident Penalty SecurityIncidentPenalty	6800000	usd
	blkb	Security Incident Number Of State Attorneys General SecurityIncidentNumberOfStateAttorneysGeneral	49	cases
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12140000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9069000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18567000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5032000	usd
CY2024Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.371
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.501
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.281
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.584
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	175000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8842000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1688000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8938000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	3315000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-2873000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-625000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-3545000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6887000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8141000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6887000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8141000	usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1200000000	usd
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.55
CY2024Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2024Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	413259000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	394927000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	321000000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	286727000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	277626000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	853263000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	810421000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	286727000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	277626000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	853263000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	810421000	usd
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false

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2024 Q4 Form 10-Q Financial Statement

#000128005824000065 Filed on October 30, 2024

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2024 Q4 Form 10-Q Financial Statement

#000128005824000065 Filed on October 30, 2024

Income Statement

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