Annual report pursuant to Section 13 and 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
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
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 10,270 14,318
Restricted stock units unvested 31,974  
Common stock, shares outstanding 9,559,587 9,869,101
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 212,927  
Class of share exchangeable to another class one-for-one basis  
Common stock, shares outstanding 4,545,380 4,593,687