v3.26.1
Investments Accounted for Using Equity Method - Additional Information (Detail)
1 Months Ended 12 Months Ended
Sep. 30, 2025
CNY (¥)
Sep. 30, 2025
USD ($)
Apr. 30, 2025
CNY (¥)
Apr. 30, 2025
USD ($)
Jun. 30, 2021
CNY (¥)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Schedule of Equity Method Investments [Line Items]                    
Income loss from equity method investments           ¥ 5,248,000 $ 750,000 ¥ 4,353,000   ¥ 1,560,000
Unbilled revenue, Impairment of balances, reversed           3,500,000 500,000 ¥ 3,500,000 $ 500,000  
Third Party Investor [Member]                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire equity method investments     ¥ 14,500 $ 2,073   ¥ 4,000,000 $ 572,000      
Payments to acquire equity method investments additional investment ¥ 6,200,000 $ 887,000                
Equity method investment, ownership percentage 31.00% 31.00% 4.63% 4.63%   40.00% 40.00% 4.12% 4.12%  
Third Party Investor [Member] | Maximum [Member]                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, ownership percentage               31.00% 31.00%  
Third Party Investor [Member] | Minimum [Member]                    
Schedule of Equity Method Investments [Line Items]                    
Equity method investment, ownership percentage               19.00% 19.00%  
Third Party Investor [Member] | Guangzhou Guangdong Province [Member]                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire equity method investments         ¥ 10,500,000 ¥ 7,000,000 $ 1,001,000 ¥ 7,000,000    
Equity method investment, ownership percentage         35.00%          
Third Party Investor [Member] | Anhui Province, Jiangsu Province, Guangdong Province and Zhejiang Province [Member]                    
Schedule of Equity Method Investments [Line Items]                    
Payments to acquire equity method investments               ¥ 13,050,000