XML 109 R98.htm IDEA: XBRL DOCUMENT v3.24.3
Notes Payable and Other Borrowings - Carrying Amounts and Estimated Fair Values of Company's Senior Notes (Detail) - USD ($)
$ in Thousands
Sep. 30, 2024
Aug. 21, 2024
Jun. 10, 2024
Dec. 31, 2023
Oct. 19, 2023
Oct. 06, 2023
May 25, 2023
Jul. 10, 2020
Sep. 27, 2019
Debt Instrument [Line Items]                  
Carrying Amount $ 1,440,706     $ 944,326          
Fair Value $ 1,491,604     947,301          
BGC Group 3.750% Senior Notes due October 1, 2024                  
Debt Instrument [Line Items]                  
Stated interest rate 3.75%         3.75%      
Carrying Amount $ 255,526     254,814          
Fair Value $ 255,424     249,722          
BGC Partners 3.750% Senior Notes due October 1, 2024                  
Debt Instrument [Line Items]                  
Stated interest rate 3.75%               3.75%
Carrying Amount $ 44,474     44,383          
Fair Value $ 44,456     43,464          
BGC Group 4.375% Senior Notes due December 15, 2025                  
Debt Instrument [Line Items]                  
Stated interest rate 4.375%       4.375% 4.375%      
Carrying Amount $ 287,279     286,729          
Fair Value $ 285,390     276,569          
BGC Partners 4.375% Senior Notes due December 15, 2025                  
Debt Instrument [Line Items]                  
Stated interest rate 4.375%             4.375% 4.375%
Carrying Amount $ 11,818     11,800          
Fair Value $ 11,733     11,371          
BGC Group 8.000% Senior Notes due May 25, 2028                  
Debt Instrument [Line Items]                  
Stated interest rate 8.00%       8.00% 8.00%      
Carrying Amount $ 344,427     343,852          
Fair Value $ 374,450     363,274          
BGC Partners 8.000% Senior Notes due May 25, 2028                  
Debt Instrument [Line Items]                  
Stated interest rate 8.00% 8.00%         8.00%    
Carrying Amount $ 2,256 $ 500   2,748          
Fair Value 2,451     2,901          
BGC Group 6.600% Senior Notes due June 10, 2029                  
Debt Instrument [Line Items]                  
Stated interest rate     6.60%            
Carrying Amount 494,926     0          
Fair Value $ 517,700     $ 0