XML 84 R74.htm IDEA: XBRL DOCUMENT
v3.24.3

Retirement Plans - Narrative (Details) - Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Deferred compensation plan expense | $ 6,983,000 | $ (3,160,000) | $ 13,665,000 | $ 4,763,000 |
DCP participant deferrals | 43,000 | 61,000 | 144,000 | 1,712,000 |
Contributions by employer | $ 0 | $ 0 | $ 0 | $ 0 |
Class B Common Stock |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Phantom shares issuable (in shares) | 12,764,635 |  | 12,764,635 |  | 17,364,980
Shares reserved for future issuance (in shares) | 4,366,691 |  | 4,366,691 |  |

X
- Definition Deferred Compensation Arrangement With Individual, Compensation Expense (Income) + References No definition available. + Details
Name: | bsy_DeferredCompensationArrangementWithIndividualCompensationExpenseIncome
Namespace Prefix: | bsy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dividends, Common Stock, Stock, Issuable + References No definition available. + Details
Name: | bsy_DividendsCommonStockStockIssuable
Namespace Prefix: | bsy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of distribution made to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualDistributionPaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480794/715-70-50-1 + Details
Name: | us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis=us-gaap_DeferredCompensationArrangementWithIndividualByTypeOfCompensationPensionAndOtherPostretirementBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |