Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.3
Earnings (Loss) Per Share - Schedule of Diluted Earnings (Loss) Per Share by Common Class (Detail)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2023
units
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Numerator          
Net loss from discontinued operations attributable to holders of Class A Common Stock - basic | $   $ 0 $ (835) $ (2,008) $ (16,029)
Reallocation of net loss from discontinued operations assuming exchange of Class A LLC Units | $   0 0 (2,033) 0
Net loss from discontinued operations attributable to holders of Class A Common Stock - diluted | $   $ 0 $ (835) $ (4,041) $ (16,029)
Denominator          
Weighted average shares of Class A Common Stock outstanding - basic (in shares)   9,924,671 8,772,623 9,824,171 7,980,449
Additional dilutive shares under the treasury stock method (in shares)   48,676 0 16,344 0
Weighted average shares of Class A Common Stock outstanding - diluted (in shares)   23,159,304 8,772,623 23,062,616 7,980,449
Diluted earnings (loss) per share          
Continuing operations (in USD per shares) | $ / shares   $ 7.50 $ (7.36) $ 6.65 $ (15.72)
Discontinued operations (in usd per share) | $ / shares   0 (0.09) (0.18) (2.00)
Diluted earnings (loss) per share (in USD per share) | $ / shares   $ 7.50 $ (7.45) $ 6.47 $ (17.72)
Exchange ratio       1  
Exchange Agreement          
Diluted earnings (loss) per share          
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)     14,144,005   13,579,267
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)   48,676 252,190 16,344 145,520
Forward Contracts          
Diluted earnings (loss) per share          
Weighted-average anti-dilutive securities excluded from the computation of diluted earnings per share (in shares)   0 0 0 70,029
American Advisors Group (AAG) | Class A LLC Units          
Diluted earnings (loss) per share          
Contingent equity consideration, number of types | units 2        
American Advisors Group (AAG) | Class A LLC Units, Liability Classified          
Diluted earnings (loss) per share          
Contingent equity consideration (in shares) 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 | $   $ 84,203 $ (64,528) $ 76,584 $ (125,420)
Reallocation of net income (loss) from continuing operations assuming exchange of Class A LLC Units | $   89,397 0 76,749 0
Net income (loss) from continuing operations attributable to holders of Class A Common Stock - diluted | $   $ 173,600 $ (64,528) $ 153,333 $ (125,420)
Denominator          
Weighted average shares of Class A Common Stock outstanding - basic (in shares)   9,924,671 8,772,623 9,824,171 7,980,449
Assumed exchange of weighted average Class A LLC Units for shares of Class A Common Stock (in shares)   13,185,957 0 13,222,101 0
Weighted average shares of Class A Common Stock outstanding - diluted (in shares)   23,159,304 8,772,623 23,062,616 7,980,449
Diluted earnings (loss) per share          
Diluted earnings (loss) per share (in USD per share) | $ / shares   $ 7.50 $ (7.45) $ 6.47 $ (17.72)
Award vesting cost responsibility (in percent)   85.00%   85.00%