v3.26.1
Loss Per Share - Schedule of Earnings Per Share, Basic and Diluted (Detail)
¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
¥ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
CNY (¥)
¥ / shares
shares
Dec. 31, 2023
CNY (¥)
¥ / shares
shares
Common Class A [Member]        
Numerator:        
Net loss attributable to ordinary shareholders ¥ (46,326) $ (6,626) ¥ (288,286) ¥ (543,089)
Denominator:        
Weighted-average number of ordinary shares outstanding – basic 88,979,617 88,979,617 85,610,197 85,071,691
Weighted-average number of ordinary shares outstanding – diluted 88,979,617 88,979,617 85,610,197 85,071,691
Loss per share - basic | (per share) ¥ (0.52) $ (0.07) ¥ (3.37) ¥ (6.38)
Loss per share - diluted | (per share) ¥ (0.52) $ (0.07) ¥ (3.37) ¥ (6.38)
Common Class B [Member]        
Numerator:        
Net loss attributable to ordinary shareholders ¥ (9,020) $ (1,290) ¥ (58,340) ¥ (110,600)
Denominator:        
Weighted-average number of ordinary shares outstanding – basic 17,324,848 17,324,848 17,324,848 17,324,848
Weighted-average number of ordinary shares outstanding – diluted 17,324,848 17,324,848 17,324,848 17,324,848
Loss per share - basic | (per share) ¥ (0.52) $ (0.07) ¥ (3.37) ¥ (6.38)
Loss per share - diluted | (per share) ¥ (0.52) $ (0.07) ¥ (3.37) ¥ (6.38)
Common Stock [Member] | Common Class A [Member]        
Denominator:        
Weighted-average number of ordinary shares outstanding 88,979,617 88,979,617 85,610,197 85,188,137
Effect of unvested restricted shares 0 0 0 (116,446)
Common Stock [Member] | Common Class B [Member]        
Denominator:        
Weighted-average number of ordinary shares outstanding 17,324,848 17,324,848 17,324,848 17,324,848
Effect of unvested restricted shares 0 0 0 0