Annual report pursuant to Section 13 and 15(d)

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

v3.25.0.1
Revenue from Contracts With Customers - Summary of Revenue from Contracts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disaggregation Of Revenue [Line Items]      
Net commissions and fees $ 2,455,671 $ 2,026,596 $ 1,711,861
Wholesale Brokerage      
Disaggregation Of Revenue [Line Items]      
Net commissions and fees 1,489,077 1,319,056 1,129,241
Binding Authority      
Disaggregation Of Revenue [Line Items]      
Net commissions and fees 320,379 275,961 231,048
Underwriting Management      
Disaggregation Of Revenue [Line Items]      
Net commissions and fees $ 646,215 $ 431,579 $ 351,572