Annual report pursuant to Section 13 and 15(d)

Equity (Detail)

v3.24.0.1
Equity (Detail)
 12 Months Ended
Mar. 31, 2023
units
shares
Dec. 31, 2023
$ / shares
shares
Dec. 31, 2022
$ / shares
shares
Class of Stock [Line Items]      
Exchange ratio   1  
Common Class A      
Class of Stock [Line Items]      
Common stock, shares issued (in shares)   100,599,241 67,681,856
Common stock, shares outstanding (in shares)   96,340,741 63,423,356
Common stock shares outstanding unvested portion (in shares)   4,258,500  
Stocks delivered   475,715 1,373,080
Class B share retirement (in shares)   1,692,386 2,046,062
Common stock, par value (in USD per share) | $ / shares   $ 0.0001 $ 0.0001
Class A LLC Units      
Class of Stock [Line Items]      
Stocks delivered   2,816,363 3,749,057
Common Class B      
Class of Stock [Line Items]      
Common stock, shares issued (in shares)   15 14
Common stock, shares outstanding (in shares)   15 14
Common stock, par value (in USD per share) | $ / shares   $ 0.0001 $ 0.0001
Capital Unit, Class A      
Class of Stock [Line Items]      
Common stock, shares issued (in shares)   100,599,241  
Conversion of stock, shares converted (in shares)   8,359,112 491,509
Class A LLC Units      
Class of Stock [Line Items]      
Common units outstanding (in shares)   229,311,557  
Class A LLC Units | American Advisors Group (AAG)      
Class of Stock [Line Items]      
Contingent equity consideration, number of types | units 2    
Shares issued at closing of transaction (in shares) 19,692,990    
Class A LLC Units | Noncontrolling Interest      
Class of Stock [Line Items]      
Common units outstanding (in shares)   132,970,816  
Class A LLC Units | Noncontrolling Interest | American Advisors Group (AAG)      
Class of Stock [Line Items]      
Conversion of stock, shares converted (in shares)   8,000,000  
Class A LLC Units | Class A Common Stock Shareholders      
Class of Stock [Line Items]      
Common units outstanding (in shares)   96,340,741  
Class A LLC Units, Equity Classified, Indemnity Holdback | American Advisors Group (AAG)      
Class of Stock [Line Items]      
Contingent equity consideration (in shares) 7,142,260    
Class A LLC Units, Liability Classified | American Advisors Group (AAG)      
Class of Stock [Line Items]      
Contingent equity consideration (in shares) 7,058,416