Quarterly report pursuant to Section 13 or 15(d)

Related Parties - Additional Information (Detail)

v3.22.2.2
Related Parties - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2021
Jun. 13, 2019
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Related Party Transaction [Line Items]              
Total invested capital     $ 38,514   $ 38,514   $ 45,417
Expense related to business usage of the aircraft     300 $ 100 700 $ 400  
Ryan Re Services Agreement With Geneva Re And Nationwide [Member]              
Related Party Transaction [Line Items]              
Revenue earned from Geneva Re     400 $ 400 1,200 1,400  
Receivables due from Geneva Re     1,300   1,300   4,200
Ryan Specialty Group, LLC [Member]              
Related Party Transaction [Line Items]              
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage   47.00%          
Geneva Ryan Holdings [Member]              
Related Party Transaction [Line Items]              
Non-controlling Interest, Ownership Percentage by Non-controlling Owners   53.00%          
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage 53.00%            
Geneva Re [Member]              
Related Party Transaction [Line Items]              
Total invested capital     47,000   47,000    
Equity Method Investment, Aggregate Cost     50,000   50,000    
Related Party Transaction, Due from (to) Related Party     $ 100   $ 100   $ 500
Geneva Re [Member] | Geneva Re [Member]              
Related Party Transaction [Line Items]              
Equity Method Investment, Ownership Percentage     50.00%   50.00%    
Ryan Re [Member]              
Related Party Transaction [Line Items]              
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage 53.00%            
Ryan Investment Holdings [Member] | Geneva Ryan Holdings [Member]              
Related Party Transaction [Line Items]              
Equity Method Investment, Ownership Percentage     53.00%   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%   47.00%    
Total invested capital     $ 47,000   $ 47,000    
Immediate Family Member of Director [Member]              
Related Party Transaction [Line Items]              
Related party transaction         600 300  
Production bonus         400 $ 100  
Other Than The Board Of Directors [Member] | Consulting Arrangement with Director [Member]              
Related Party Transaction [Line Items]              
Related party transaction         $ 200