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Equity Investment - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Apr. 01, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Feb. 29, 2016
Equity Method Investments [Line Items]          
Losses from equity method investment   $ (388) $ (125) $ (209)  
Bi Pa          
Equity Method Investments [Line Items]          
Investments value         $ 3,283
Cost method ownership percentage   15.00% 15.00% 15.00%  
Impairment of investments   $ 399 $ 0 $ 0  
Clean Seed Capital Group Ltd          
Equity Method Investments [Line Items]          
Equity Method Investment Shares Purchased 6,250        
Equity investment ownership position 8.00%        
Joint venture, consideration $ 1,190        
Fair value of stock   1,516 1,907    
Losses from equity method investment   $ 391 $ 717