Annual report pursuant to Section 13 and 15(d)

Earnings Per Share - Schedule of Diluted Earnings Per Share by Common Class (Detail)

v3.24.0.1
Earnings Per Share - Schedule of Diluted Earnings Per Share by Common Class (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Mar. 31, 2023
units
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Numerator      
Net loss from discontinued operations attributable to holders of Class A Common Stock - basic | $   $ (18,801) $ (126,264)
Reallocation of net loss from discontinued operations assuming exchange of Class A LLC Units | $   0 (162,486)
Net loss from discontinued operations attributable to holders of Class A Common Stock - diluted | $   $ (18,801) $ (288,750)
Denominator      
Weighted average shares of Class A Common Stock outstanding - basic (in shares)   81,977,533 62,298,532
Additional shares under the treasury stock method (in shares)   0 0
Diluted weighted average shares outstanding (in shares)   81,977,533 188,236,513
Diluted net loss per share      
Diluted net loss per share from continuing operations (in usd per share) | $ / shares   $ (0.75) $ (1.58)
Diluted net loss per share from discontinued operations (in USD per share) | $ / shares   (0.23) (1.54)
Diluted net loss per share from continuing operations (in USD per share) | $ / shares   $ (0.98) $ (3.12)
Exchange ratio   1  
Restricted Stock Units (RSUs)      
Diluted net loss per share      
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)   1,088,414 0
Forward Contracts      
Diluted net loss per share      
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)   523,779 0
Exchange Agreement      
Diluted net loss per share      
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)   137,073,725  
American Advisors Group (AAG) | Class A LLC Units      
Diluted net loss per share      
Contingent equity consideration, number of types | units 2    
American Advisors Group (AAG) | Class A LLC Units, Equity Classified, Indemnity Holdback      
Diluted net loss per share      
Contingent equity consideration (in shares) 7,142,260    
American Advisors Group (AAG) | Class A LLC Units, Liability Classified      
Diluted net loss per share      
Contingent equity consideration (in shares) 7,058,416    
Common Class A      
Numerator      
Net loss from continuing operations attributable to holders of Class A Common Stock - basic | $   $ (61,287) $ (64,418)
Reallocation of net loss from continuing operations assuming exchange of Class A LLC Units | $   0 (233,420)
Net loss from continuing operations attributable to holders of Class A Common Stock - diluted | $   $ (61,287) $ (297,838)
Denominator      
Weighted average shares of Class A Common Stock outstanding - basic (in shares)   81,977,533 62,298,532
Assumed exchange of weighted average Class A LLC Units for shares of Class A Common Stock (in shares)   0 125,937,981
Diluted weighted average shares outstanding (in shares)   81,977,533 188,236,513
Diluted net loss per share      
Diluted net loss per share from continuing operations (in USD per share) | $ / shares   $ (0.98) $ (3.12)
Award vesting cost responsibility (in percent)   85.00%