XML 22 R16.htm IDEA: XBRL DOCUMENT v3.20.1

Securities Owned	3 Months Ended
	Mar. 31, 2020
Investments Debt And Equity Securities [Abstract]
Securities Owned	8. Securities Owned Securities owned primarily consist of unencumbered U.S. Treasury bills held for liquidity purposes. Total Securities owned were $57.5 million as of March 31, 2020 and December 31, 2019. For additional information, see Note 13—“Fair Value of Financial Assets and Liabilities.”

X

- Definition

Securities owned disclosure.

+ References

No definition available.

+ Details

Name:	bgcp_SecuritiesOwnedDisclosureTextBlock
Namespace Prefix:	bgcp_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration