XML 73 R47.htm IDEA: XBRL DOCUMENT
v3.25.1

Commitments and Contingencies (Schedule of Security Incident Expense and Probable Insurance Recoveries) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |  |  |
Security Incident, gross expense | $ 2,180 | $ 10,323 |
Security Incident, offsetting probable insurance recoveries | 0 | 0 |
Security Incident, net expense | 2,180 | 10,323 |
Security Incident, cumulative gross expense | 177,311 |  | $ 175,131
Security Incident, cumulative offsetting probable insurance recoveries | (50,000) |  | (50,000)
Security Incident, cumulative net expense | 127,311 |  | $ 125,131
Security Incident, cumulative offsetting insurance recoveries received | $ (50,000) | $ (50,000) |

X
- Definition Security Incident, Accrued Insurance Recoveries + References No definition available. + Details
Name: | blkb_SecurityIncidentAccruedInsuranceRecoveries
Namespace Prefix: | blkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Security Incident, Cumulative Accrued Insurance Recoveries + References No definition available. + Details
Name: | blkb_SecurityIncidentCumulativeAccruedInsuranceRecoveries
Namespace Prefix: | blkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Security Incident Cumulative Expense + References No definition available. + Details
Name: | blkb_SecurityIncidentCumulativeExpense
Namespace Prefix: | blkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Security Incident Cumulative Net Expense + References No definition available. + Details
Name: | blkb_SecurityIncidentCumulativeNetExpense
Namespace Prefix: | blkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Security Incident, Expense + References No definition available. + Details
Name: | blkb_SecurityIncidentExpense
Namespace Prefix: | blkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Security Incident Net Expense + References No definition available. + Details
Name: | blkb_SecurityIncidentNetExpense
Namespace Prefix: | blkb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_InsuranceRecoveries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration