XML 87 R47.htm IDEA: XBRL DOCUMENT
v3.23.3

Commitments and Contingencies (Schedule of Security Incident Expense and Probable Insurance Recoveries) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract] |  |  |  |  |
Security Incident, gross expense | $ 4,086 | $ 13,658 | $ 48,646 | $ 31,098 |
Security Incident, offsetting probable insurance recoveries | 0 | 0 | 0 | (1,891) |
Security Incident, net expense | 4,086 | $ 13,658 | 48,646 | 29,207 |
Security Incident, cumulative gross expense | 156,651 |  | 156,651 |  | $ 108,005
Security Incident, cumulative offsetting probable insurance recoveries | (50,000) |  | (50,000) |  | (50,000)
Security Incident, cumulative net expense | $ 106,651 |  | 106,651 |  | $ 58,005
Security Incident, cumulative offsetting insurance recoveries paid |  |  | $ (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