Annual report [Section 13 and 15(d), not S-K Item 405]

Revenue from Contracts With Customers - Summary of Revenue from Contracts (Details)

v3.25.4
Revenue from Contracts With Customers - Summary of Revenue from Contracts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation Of Revenue [Line Items]      
Net commissions and fees $ 2,994,582 $ 2,455,671 $ 2,026,596
Wholesale Brokerage      
Disaggregation Of Revenue [Line Items]      
Net commissions and fees 1,600,427 1,489,077 1,319,056
Binding Authority      
Disaggregation Of Revenue [Line Items]      
Net commissions and fees 370,155 320,379 275,961
Underwriting Management      
Disaggregation Of Revenue [Line Items]      
Net commissions and fees $ 1,024,000 $ 646,215 $ 431,579