Quarterly report pursuant to Section 13 or 15(d)

Related Parties - Additional Information (Detail)

v3.22.2
Related Parties - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 13, 2019
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Related Party Transaction [Line Items]              
Total invested capital     $ 40,522   $ 40,522   $ 45,417
Expense related to business usage of the aircraft     300 $ 100 400 $ 300  
Ryan Re Services Agreement With Geneva Re And Nationwide [Member]              
Related Party Transaction [Line Items]              
Revenue earned from Geneva Re     400 $ 400 800 $ 900  
Receivables due from Geneva Re     $ 1,500   $ 1,500   4,200
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%            
Ryan Specialty Group, LLC [Member]              
Related Party Transaction [Line Items]              
Total consideration transferred, net of cash acquired $ 48,400            
Common stock, Par value $ 1 $ 1          
Shares Issued, Price Per Share   $ 4.70          
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage   47.00%          
Geneva Re [Member]              
Related Party Transaction [Line Items]              
Equity Method Investment, Ownership Percentage     50.00%   50.00%    
Total invested capital     $ 47,000   $ 47,000    
Equity Method Investment, Aggregate Cost     50,000   50,000    
Related Party Transaction, Due from (to) Related Party     $ 700   $ 700   $ 500
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    
Michael O Halleran [Member] | Consulting Arrangement with Director [Member]              
Related Party Transaction [Line Items]              
Related party transaction     $ 100        
Immediate Family Member of Director [Member]              
Related Party Transaction [Line Items]              
Related party transaction         300    
Production bonus         100    
Other Than The Board Of Directors [Member] | Consulting Arrangement with Director [Member]              
Related Party Transaction [Line Items]              
Related party transaction         $ 200