v3.26.1
Fair Value Measurements - Schedule of Financial Instruments Measured or Disclosed at Fair Value on a Recurring Basis and Non-Recurring Fair Value Measurements (Details)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Available-for-sale debt securities ¥ 602,660   ¥ 788,982   $ 86,179
Long-term investments 1,773,309   2,108,477   253,580
Long-term investments, Total losses (37,900) $ (5,400) (146,500) ¥ (280,600)  
Equity investments without readily determinable fair value 1,045,204   1,104,545   $ 149,463
Equity investments without readily determinable fair value 19,489 2,787 0 ¥ (4,027)  
Fair Value, Nonrecurring          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Produced content monetized on its own (85,501) (12,226) (95,277)    
Long-term investments, Total losses     (192,613)    
Long-term investments, Total losses (18,451) $ (2,638)      
Quoted Prices in Active Market for Identical Assets (Level 1) | Long Term Investments | Fair Value Measurements, Recurring          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Equity investments at fair value with readily determinable fair value 9,703   9,500    
Significant Other Observable Inputs (Level 2) | Cash Equivalents          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Time deposits 823,823   781,205    
Significant Other Observable Inputs (Level 2) | Short-term Investments          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Held-to-maturity debt securities 33,127        
Significant Other Observable Inputs (Level 2) | Short-term Investments | Fair Value Measurements, Recurring          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Available-for-sale debt securities 281,692   941,610    
Significant Other Observable Inputs (Level 2) | Accrued Expenses and Other Liabilities | Fair Value Measurements, Recurring          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Derivative instruments 33,705        
Significant Other Observable Inputs (Level 2) | Convertible Senior Notes          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Convertible senior notes, current portion 1,457,736   16,671    
Convertible senior notes, non-current portion 2,398,144   3,932,041    
Significant Unobservable Inputs (Level 3) | Fair Value, Nonrecurring          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Produced content monetized on its own 46,884   73,936    
Long-term investments 48,381   344,843    
Significant Unobservable Inputs (Level 3) | Long Term Investments | Fair Value Measurements, Recurring          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Available-for-sale debt securities 602,660   788,982    
Significant Unobservable Inputs (Level 3) | Convertible Senior Notes          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Convertible senior notes, current portion     207,531    
Convertible senior notes, non-current portion ¥ 3,914,609   ¥ 3,765,189