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Convertible Preferred Stock - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
May 19, 2020
Jul. 16, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Temporary Equity [Line Items]          
Issuance of Series B Convertible Preferred Stock     $ 0 $ 0 $ 175,000
Conversion price per share (in dollars per share)     $ 4.00    
Series A 10% Convertible Preferred Stock          
Temporary Equity [Line Items]          
Convertible preferred stock issued/ sold (in shares)   210,000      
Redemption value of convertible preferred stock issued   $ 210,000      
Fair value of convertible preferred stock issued   $ 200,000      
Temporary equity stock redeemed (in shares) 210,000        
Aggregate amount of redemption requirement $ 210,000        
Accrued and unpaid dividends $ 2,900        
Preferred stock, quarterly dividends rate 10.00%        
Series B Convertible Preferred Stock          
Temporary Equity [Line Items]          
Convertible preferred stock issued/ sold (in shares)   175,000      
Issuance of Series B Convertible Preferred Stock   $ 175,000      
Preferred stock, quarterly dividends rate 10.00%