v3.26.1
Notes Payable and Other Borrowings - Notes Payable, Other and Short-term Borrowings (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Nov. 10, 2025
Apr. 02, 2025
Aug. 21, 2024
Jun. 10, 2024
Oct. 06, 2023
May 25, 2023
Debt Instrument [Line Items]                
Total notes payable and other borrowings $ 1,774,054 $ 1,775,705            
Deferred financing cost 15,400 13,800            
Senior Revolving Credit Facility | Unsecured Debt                
Debt Instrument [Line Items]                
Unsecured senior revolving credit agreement $ 234,422 237,686            
BGC Group 8.000% Senior Notes due May 25, 2028                
Debt Instrument [Line Items]                
Stated interest rate 8.00%   8.00%       8.00%  
Senior notes $ 345,771 345,387            
BGC Partners 8.000% Senior Notes due May 25, 2028                
Debt Instrument [Line Items]                
Stated interest rate 8.00%       8.00%   8.00% 8.00%
Senior notes $ 2,264 2,262            
Total notes payable and other borrowings               $ 346,600
BGC Group 6.600% Senior Notes due June 10, 2029                
Debt Instrument [Line Items]                
Stated interest rate 6.60%   6.60%          
Senior notes $ 497,049 496,548            
Total notes payable and other borrowings           $ 495,000    
BGC Group 6.150% Senior Notes due April 2, 2030                
Debt Instrument [Line Items]                
Stated interest rate 6.15%     6.15%        
Senior notes $ 694,548 $ 693,822            
Total notes payable and other borrowings       $ 692,700