Quarterly report pursuant to Section 13 or 15(d)

Related Parties - Additional Information (Detail)

v3.24.1.u1
Related Parties - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Related Party Transaction [Line Items]      
Prepaid expense $ 8,149   $ 8,718
Expense related to business usage of the aircraft $ 400 $ 500  
Ryan Re Services Agreement With Geneva Re And Nationwide [Member]      
Related Party Transaction [Line Items]      
Related party service fee percentage 115.00%    
Revenue earned from Geneva Re $ 400 $ 400  
Receivables due from Geneva Re 400   700
Ryan Re Services Agreement with Geneva Re [Member]      
Related Party Transaction [Line Items]      
Expenses due to Geneva Re 2,300    
Geneva Re [Member]      
Related Party Transaction [Line Items]      
Related party transaction, due from (to) related party $ 100   200
Ryan Investment Holdings [Member] | Geneva Ryan Holdings [Member]      
Related Party Transaction [Line Items]      
Equity method investment, ownership percentage 53.00%    
Ryan Investment Holdings [Member] | Ryan Specialty Group, LLC [Member]      
Related Party Transaction [Line Items]      
Non-controlling interest, ownership percentage by non-controlling owners 47.00%    
Cost of equity method investment $ 47,000    
Prepaid Expenses and Other Current Assets [Member] | Ryan Re Services Agreement with Geneva Re [Member]      
Related Party Transaction [Line Items]      
Prepaid expense $ 3,000   $ 5,300