Quarterly report [Sections 13 or 15(d)]

Revenue from Contracts with Customers - Summary of Revenue with Customers by Specialty (Details)

v3.26.1
Revenue from Contracts with Customers - Summary of Revenue with Customers by Specialty (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disaggregation of Revenue [Line Items]    
Net commissions and fees $ 782,903 $ 676,128
Wholesale Brokerage    
Disaggregation of Revenue [Line Items]    
Net commissions and fees 377,796 360,788
Binding Authority    
Disaggregation of Revenue [Line Items]    
Net commissions and fees 110,000 101,950
Underwriting Management    
Disaggregation of Revenue [Line Items]    
Net commissions and fees $ 295,107 $ 213,390