v3.26.1
ADDITIONAL INFORMATION - FINANCIAL STATEMENT SCHEDULE I - CONDENSED BALANCE SHEETS (Details)
$ / shares in Units, ¥ in Thousands, $ in Thousands
Dec. 31, 2025
CNY (¥)
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
CNY (¥)
shares
Dec. 31, 2024
$ / shares
Dec. 31, 2023
CNY (¥)
ASSETS          
Cash and cash equivalents ¥ 4,696,817 $ 671,636 ¥ 4,452,416   ¥ 4,177,890
Short term investments 2,852,254 407,867 3,394,073    
Amount due from subsidiaries and VIEs | ¥ 0   8,561    
TOTAL ASSETS 56,949,795 8,143,711 48,132,618    
LIABILITIES          
Convertible senior notes-current 1,019,130 145,734      
Convertible notes-noncurrent 1,583,213 226,396      
Other long-term liabilities 599,561 85,736 255,155    
TOTAL LIABILITIES 32,792,752 4,689,301 23,886,399    
EQUITY          
Ordinary shares (USD 0.00001 par value per share 5,000,000,000 shares authorized, 296,540,988 shares issued and 283,981,320 shares outstanding as of December 31, 2024 and 283,019,282 shares issued and 243,823,900 shares outstanding as of December 31, 2025, respectively) 20 3 21    
Treasury stock (4,066,385) (581,485) (1,113,608)    
Additional paid-in capital 3,874,816 554,091 4,339,413    
Retained earnings 24,502,158 3,503,762 20,952,340    
Other comprehensive income (loss) (195,694) (27,985) 11,877    
TOTAL EQUITY 24,114,915 3,448,386 24,190,043    
TOTAL LIABILITIES AND EQUITY ¥ 56,949,795 $ 8,143,711 ¥ 48,132,618    
Stockholders' Equity, Other Disclosures          
Ordinary shares, par value (in dollars per share) | $ / shares   $ 0.00001   $ 0.00001  
Ordinary shares, authorized (in shares) 5,000,000,000 5,000,000,000 5,000,000,000    
Ordinary shares, issued (in shares) 283,019,282 283,019,282 296,540,988    
Ordinary shares, outstanding (in shares) 243,823,900 243,823,900 283,981,320    
Parent Company | Reportable Legal Entities          
ASSETS          
Cash and cash equivalents ¥ 518,855 $ 74,195 ¥ 274,514    
Short term investments | ¥     493,947    
Prepaid expenses and other assets 182,430 26,087 12,080    
Investments in subsidiaries and VIEs 22,058,713 3,154,354 20,393,966    
TOTAL ASSETS 26,843,235 3,838,531 24,191,284    
LIABILITIES          
Accrued expenses and other current liabilities 4,075 583 1,241    
Convertible senior notes-current 1,019,130 145,734      
Convertible notes-noncurrent 1,583,213 226,396      
Other long-term liabilities 121,902 17,432      
TOTAL LIABILITIES 2,728,320 390,145 1,241    
EQUITY          
Ordinary shares (USD 0.00001 par value per share 5,000,000,000 shares authorized, 296,540,988 shares issued and 283,981,320 shares outstanding as of December 31, 2024 and 283,019,282 shares issued and 243,823,900 shares outstanding as of December 31, 2025, respectively) 20 3 21    
Treasury stock (4,066,385) (581,485) (1,113,608)    
Additional paid-in capital 3,874,816 554,091 4,339,413    
Retained earnings 24,502,158 3,503,762 20,952,340    
Other comprehensive income (loss) (195,694) (27,985) 11,877    
TOTAL EQUITY 24,114,915 3,448,386 24,190,043    
TOTAL LIABILITIES AND EQUITY ¥ 26,843,235 $ 3,838,531 ¥ 24,191,284    
Stockholders' Equity, Other Disclosures          
Ordinary shares, par value (in dollars per share) | $ / shares   $ 0.00001   $ 0.00001  
Ordinary shares, authorized (in shares) 5,000,000,000 5,000,000,000 5,000,000,000    
Ordinary shares, issued (in shares) 283,019,282 283,019,282 296,540,988    
Ordinary shares, outstanding (in shares) 243,823,900 243,823,900 283,981,320    
Parent Company | Reportable Legal Entities | Subsidiaries and VIEs          
ASSETS          
Amount due from subsidiaries and VIEs ¥ 4,083,237 $ 583,895 ¥ 3,016,777