Quarterly report pursuant to Section 13 or 15(d)

Equity - Summary of Authorized and Outstanding Equity (Parenthetical) (Detail)

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Equity - Summary of Authorized and Outstanding Equity (Parenthetical) (Detail) - $ / shares
 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Class Of Stock [Line Items]      
Preferred stock, par value $ 0.01   $ 0.01
Class A Common Stock      
Class Of Stock [Line Items]      
Common stock, par value $ 0.01   $ 0.01
Common stock, voting rights one vote for each share    
Common stockholders rights percentage 100.00%    
Restricted stock units granted 15,017 11,822  
Restricted stock units unvested 37,109    
Common stock, shares outstanding 9,503,410   9,478,997
Class B Common Stock      
Class Of Stock [Line Items]      
Common stock, par value $ 0.01   $ 0.01
Common stock, voting rights one vote for each share    
Restricted stock units granted 228,117    
Class of share exchangeable to another class one-for-one basis    
Common stock, shares outstanding 4,406,295   4,431,105