XML 100 R86.htm IDEA: XBRL DOCUMENT
v3.22.4

Related Party Transactions - Cantor Right to Purchase Cantor Units from BGC Holdings (Details) |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 25, 2022 USD ($) shares | May 17, 2022 USD ($) shares | Oct. 28, 2021 USD ($) shares | Mar. 31, 2021 USD ($) shares | Nov. 23, 2018 shares | Jun. 05, 2015 shares | Dec. 31, 2022 shares
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Limited Partnership Units Exchange Ratio |  |  |  |  |  |  | 1
Cantor Rights to Purchase Exchangeable Units |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Exchange class A to class B common stock (in shares) |  |  |  |  | 10,300,000 |  |
Cantor Rights to Purchase Exchangeable Units | BGC Holdings LPUs |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Limited Partnership Units Exchange Ratio | 1 |  |  |  |  |  |
Aggregate Cantor Units as result of redemption (in shares) | 275,833 | 427,494 | 460,929 | 1,149,684 |  |  |
Aggregate consideration of Cantor Units as result of redemption | $ | $ 397,196 | $ 841,010 | $ 715,605 | $ 2,104,433 |  |  |
Number of Founding Partner Interests as result of redemption (in shares) | 275,833 | 427,494 | 460,929 | 1,149,684 |  |  |
Aggregate Cantor Units | 77,507 | 52,681 | 1,179,942 | 1,618,376 |  |  |
Aggregate consideration of Cantor Units | $ | $ 142,613 | $ 105,867 | $ 2,033,838 | $ 3,040,411 |  |  |
Number of founding partner interests exchanged (in shares) | 77,507 | 52,681 | 1,179,942 | 1,618,376 |  |  |
Right to purchase founding partner unit outstanding |  |  |  |  |  |  | 300,000
Maximum | Cantor Rights to Purchase Exchangeable Units |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Exchange class A to class B common stock (in shares) |  |  |  |  |  | 34,600,000 |
Maximum | Cantor Rights to Purchase Exchangeable Units | Class B Common Stock |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Exchange class A to class B common stock (in shares) |  |  |  |  |  |  | 23,600,000

X
- Definition Aggregate consideration of cantor units, + References No definition available. + Details
Name: | bgcp_AggregateConsiderationOfCantorUnits
Namespace Prefix: | bgcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate consideration of cantor units as result of redemption. + References No definition available. + Details
Name: | bgcp_AggregateConsiderationOfRelatedPartyUnitsAsResultOfRedemption
Namespace Prefix: | bgcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate cantor units. + References No definition available. + Details
Name: | bgcp_AggregateRelatedPartyUnits
Namespace Prefix: | bgcp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate cantor units as result of redemption. + References No definition available. + Details
Name: | bgcp_AggregateRelatedPartyUnitsAsResultOfRedemption
Namespace Prefix: | bgcp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Class Of Common Stock Exchanged To Another Class Of Common Stock + References No definition available. + Details
Name: | bgcp_ClassOfCommonStockExchangedToAnotherClassOfCommonStock
Namespace Prefix: | bgcp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Limited partnership units exchange ratio. + References No definition available. + Details
Name: | bgcp_LimitedPartnershipUnitsExchangeRatio
Namespace Prefix: | bgcp_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of founding partner interests as result of redemption. + References No definition available. + Details
Name: | bgcp_NumberOfFoundingPartnerInterestsAsResultOfRedemption
Namespace Prefix: | bgcp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of founding partner interests exchanged. + References No definition available. + Details
Name: | bgcp_NumberOfFoundingPartnerInterestsExchanged
Namespace Prefix: | bgcp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Right to Purchase founding partner unit outstanding. + References No definition available. + Details
Name: | bgcp_RightToPurchaseFoundingPartnerUnitOutstanding
Namespace Prefix: | bgcp_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=bgcp_CantorRightsToPurchaseExchangeableUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=bgcp_BGCHoldingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
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: |