Annual report pursuant to Section 13 and 15(d)

Debt - Additional Information (Detail)

v3.22.0.1
Debt - Additional Information (Detail) - USD ($)
12 Months Ended
Jul. 26, 2021
Dec. 18, 2019
Jun. 13, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]            
Write off of deferred debt issuance cost       $ 8,600,000    
Accrued interest       1,000,000.0 $ 600,000  
Line of Credit Facility, Current Borrowing Capacity       598,700,000 298,700,000  
Line Of Credit Facility Increase Decrease For Period Net       1,300,000 1,300,000  
Increase in the principal of the revolving credit facility       1,300,000 1,300,000  
Acquisition cost and fair value of units       $ 3,300,000    
Implicit rate       9.80%    
Debt Instrument Interest Rate Stated Percentage           1.00%
Series A Preferred Stock [Member]            
Debt Instrument [Line Items]            
Annual dividend accumulation rate     10.00%      
Revolving Credit Facility [Member]            
Debt Instrument [Line Items]            
Deferred issuance cost       $ 8,700,000 9,800,000  
Decrease in established borrowing margins on outstanding balances       0.25%    
Amortization period       5 years    
Borrowing capacity         $ 300,000,000.0  
Unpaid commitment fees       $ 400    
Revolving Credit Facility [Member] | Minimum [Member]            
Debt Instrument [Line Items]            
Line Of Credit Facility Increase Decrease For Period Net $ 300,000,000.0          
Increase in the principal of the revolving credit facility 300,000,000.0          
Line of Credit Facility, Commitment Fee Percentage       0.25%    
Revolving Credit Facility [Member] | Maximum [Member]            
Debt Instrument [Line Items]            
Line Of Credit Facility Increase Decrease For Period Net 600,000,000.0          
Increase in the principal of the revolving credit facility $ 600,000,000.0          
Line of Credit Facility, Commitment Fee Percentage       0.50%    
Term Loan Facility [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Periodic Payment, Principal       $ 1,650,000,000.0    
Annual principal payment       1,629,400,000    
Accrued interest       200,000    
Unamortized debt issuance expense       $ 50,600    
Debt instrument maturity date       Sep. 01, 2027    
Debt Instrument Interest Rate Stated Percentage       3.00% 3.25%  
Unsecured Promissory Notes [Member]            
Debt Instrument [Line Items]            
Issuance of unsecured promisory notes   $ 400,000        
Debt Instrument Description Of Variable Rate Basis   The note had a variable interest rate equal to the greater of 4.0% or the current LIBOR rate plus 1.0%        
Debt instrument maturity date   Aug. 09, 2021        
Ryan Specialty Group, LLC [Member]            
Debt Instrument [Line Items]            
Acquisition Costs     $ 3,300,000      
Number of units,Vested           200,000
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage     47.00%