v3.26.1
Long-Term Investments - Summary of Equity and Cost Method Investments (Parenthetical) (Detail)
¥ in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Mar. 31, 2022
CNY (¥)
Sep. 12, 2018
CNY (¥)
Aug. 18, 2015
CNY (¥)
Jan. 09, 2015
CNY (¥)
Sep. 30, 2025
CNY (¥)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2021
CNY (¥)
Sep. 30, 2025
USD ($)
Apr. 09, 2021
CNY (¥)
Investments [Line Items]                        
Share of (loss) income on equity method investments           ¥ (12,879) $ (1,842) ¥ 59,216 ¥ (70,643)      
Proceeds from Equity Method Investment, Distribution           797 $ 114 1,927 2,067      
Issued Capital Subscribed         ¥ 95,000              
Payment to acquire equity securities without readily determinable fair value ¥ 55,343                      
Debt instrument, Interest rate terms         3-month Secured Overnight Financing Rate as determined in accordance with the terms of the agreement plus 100 basic points per annum.              
Debt instrument, Maturity date, description         Among the consideration of USD95,000, USD46,990 were reclassed from corporate lending receivable pursuant to subsequent agreements with the borrower to change these loans to Convertible Notes. The Convertible Notes is due and payable in 18 to 36 months from issuance.              
Convertible Debt Securities [Member]                        
Investments [Line Items]                        
Issued Capital Subscribed         ¥ 95,000              
Debt Securities, Available-for-Sale, Noncurrent | $                     $ 46,990  
Preferred Share Subscription Agreement [Member]                        
Investments [Line Items]                        
Issued Capital Subscribed                       ¥ 300,000
Class A Participating And Non Voting Shares [Member]                        
Investments [Line Items]                        
Capital Contribution                   ¥ 114,707    
Fair Value, Option, Changes in Fair Value, Gain (Loss)           ¥ 15,855   ¥ 81,560        
Jingwei Chuangteng (Hangzhou) L.P. [Member]                        
Investments [Line Items]                        
Percentage of ownership       4.90%   2.40% 2.40% 2.40%        
Share of (loss) income on equity method investments           ¥ (2,382)   ¥ (18,483) (24,227)      
Payment of equity method investment       ¥ 30,000                
Proceeds from Equity Method Investment, Distribution           1,653   718      
Hangzhou Aqua Ventures Investment Management L.P. [Member]                        
Investments [Line Items]                        
Percentage of ownership     42.70%                  
Share of (loss) income on equity method investments           (20,761)   (24) (356)      
Payment of equity method investment     ¥ 50,000                  
Chengdu Tianfu Qianshi Equity Lp Investment [Member]                        
Investments [Line Items]                        
Percentage of ownership   5.10%                    
Share of (loss) income on equity method investments           (2,851)   (769) ¥ (1,531)      
Payment of equity method investment   ¥ 30,000                    
Proceeds from Equity Method Investment, Distribution           ¥ 289   ¥ 1,927