v3.25.4
Schedule I — Condensed Financial Information of Registrant - Condensed Balance Sheets (Details) - USD ($)
$ / shares in Units, $ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Current assets        
Cash and cash equivalents $ 679,573 $ 449,667    
Restricted cash, current 100,000 100,000    
Short-term investments 10,000 330,000    
Prepayments and other current assets 36,683 41,527    
Total current assets 1,019,286 1,050,480    
Total assets 1,172,384 1,185,753    
Current liabilities        
Other current liabilities 63,684 58,720    
Total current liabilities 416,166 299,385    
Total liabilities 456,884 344,855    
Shareholders’ equity        
Ordinary shares (par value of $0.000006 per share; 5,000,000,000 shares authorized; 1,113,822,550 and 1,082,614,740 shares issued as of December 31, 2025 and 2024, respectively; 1,106,389,340 and 1,077,702,540 shares outstanding as of December 31, 2025 and 2024, respectively) 7 7    
Additional paid-in capital 3,343,469 3,264,295    
Accumulated deficit (2,628,620) (2,453,083)    
Accumulated other comprehensive income 29,697 50,515    
Treasury stock (29,053) (20,836)    
Total shareholders’ equity 715,500 840,898 $ 796,118 $ 1,045,595
Total liabilities and shareholders’ equity $ 1,172,384 $ 1,185,753    
Stockholders' equity, par value and number of shares        
Ordinary shares, par value (in dollars per share) $ 0.000006 $ 0.000006    
Ordinary shares, shares authorized (in shares) 5,000,000,000 5,000,000,000    
Ordinary shares, shares issued (in shares) 1,113,822,550 1,082,614,740    
Ordinary shares, shares outstanding (in shares) 1,106,389,340 1,077,702,540    
Parent Company        
Current assets        
Cash and cash equivalents $ 413,355 $ 98,755    
Restricted cash, current 100,000 100,000    
Short-term investments 0 330,000    
Prepayments and other current assets 3,904 5,227    
Total current assets 517,259 533,982    
Investment in subsidiaries 199,798 309,901    
Total assets 717,057 843,883    
Current liabilities        
Other current liabilities 1,557 2,985    
Total current liabilities 1,557 2,985    
Total liabilities 1,557 2,985    
Shareholders’ equity        
Ordinary shares (par value of $0.000006 per share; 5,000,000,000 shares authorized; 1,113,822,550 and 1,082,614,740 shares issued as of December 31, 2025 and 2024, respectively; 1,106,389,340 and 1,077,702,540 shares outstanding as of December 31, 2025 and 2024, respectively) 7 7    
Additional paid-in capital 3,343,469 3,264,295    
Accumulated deficit (2,628,620) (2,453,083)    
Accumulated other comprehensive income 29,697 50,515    
Treasury stock (29,053) (20,836)    
Total shareholders’ equity 715,500 840,898    
Total liabilities and shareholders’ equity $ 717,057 $ 843,883    
Stockholders' equity, par value and number of shares        
Ordinary shares, par value (in dollars per share) $ 0.000006 $ 0.000006    
Ordinary shares, shares authorized (in shares) 5,000,000,000 5,000,000,000    
Ordinary shares, shares issued (in shares) 1,113,822,550 1,082,614,740    
Ordinary shares, shares outstanding (in shares) 1,106,389,340 1,077,702,540