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
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
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 0 0  
Restricted stock units unvested 21,704    
Common stock, shares outstanding 9,871,990   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 170,854    
Class of share exchangeable to another class one-for-one basis    
Common stock, shares outstanding 4,590,798   4,593,687