Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.25.0.1
Earnings (Loss) Per Share - Schedule of Diluted Earnings (Loss) Per Share by Common Class (Detail)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Oct. 29, 2024
shares
Mar. 31, 2023
units
shares
Dec. 31, 2023
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Numerator          
Net loss from discontinued operations attributable to holders of Class A Common Stock - basic | $       $ (2,008) $ (18,801)
Reallocation of net loss from discontinued operations assuming exchange of Class A LLC Units | $       (2,033) 0
Net loss from discontinued operations attributable to holders of Class A Common Stock - diluted | $       $ (4,041) $ (18,801)
Denominator          
Weighted average shares of Class A Common Stock outstanding - basic (in shares)       9,850,903 8,197,753
Additional dilutive shares under the treasury stock method (in shares)       218,893 0
Weighted average shares of Class A Common Stock outstanding - diluted (in shares)       23,406,233 8,197,753
Diluted earnings (loss) per share          
Continuing operations (in USD per shares) | $ / shares       $ 1.36 $ (7.48)
Discontinued operations (in usd per share) | $ / shares       (0.18) (2.29)
Diluted earnings (loss) per share (in USD per share) | $ / shares       $ 1.18 $ (9.77)
Exchange ratio       1  
Senior Notes | Exchangeable Secured Notes          
Diluted earnings (loss) per share          
including amortization of debt discount and issuance costs, and net of income tax effects | $       $ 2,100  
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)       904,239  
Exchange Agreement          
Diluted earnings (loss) per share          
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)     13,707,372    
Restricted Stock Units (RSUs)          
Diluted earnings (loss) per share          
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)       218,893 108,841
Forward Contracts          
Diluted earnings (loss) per share          
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)       0 52,377
American Advisors Group (AAG) | Class A LLC Units          
Diluted earnings (loss) per share          
Contingent equity consideration, number of types | units   2      
Shares issued at closing of transaction   1,969,299      
American Advisors Group (AAG) | Class A LLC Units, Liability Classified          
Diluted earnings (loss) per share          
Contingent equity consideration (in shares)   705,841      
Shares issued at closing of transaction 705,841        
American Advisors Group (AAG) | Class A LLC Units, Equity Classified, Indemnity Holdback          
Diluted earnings (loss) per share          
Contingent equity consideration (in shares)   714,226      
Class A Common Stock          
Numerator          
Net income (loss) from continuing operations attributable to holders of Class A Common Stock - basic | $       $ 17,496 $ (61,287)
Reallocation of net income (loss) from continuing operations assuming exchange of Class A LLC Units | $       14,260 0
Exchangeable Secured Notes interest expense, net | $       0 0
Net income (loss) from continuing operations attributable to holders of Class A Common Stock - diluted | $       $ 31,756 $ (61,287)
Denominator          
Weighted average shares of Class A Common Stock outstanding - basic (in shares)       9,850,903 8,197,753
Assumed exchange of weighted average Class A LLC Units for shares of Class A Common Stock (in shares)       13,336,437 0
Assumed exchange of Exchangeable Secured Notes for shares of Class A Common Stock (in shares)       0 0
Weighted average shares of Class A Common Stock outstanding - diluted (in shares)       23,406,233 8,197,753
Diluted earnings (loss) per share          
Diluted earnings (loss) per share (in USD per share) | $ / shares       $ 1.18 $ (9.77)
Award vesting cost responsibility (in percent)       85.00%