v3.26.1
Net Loss per Share - Schedule of Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:            
Net loss $ (9,625) $ (10,301) $ (19,531) $ (18,356) $ (19,926) $ (37,887)
Net income attributable to non-controlling interest 302   165   887 513
Net loss attributable to American Well Corporation $ (9,927)   $ (19,696)   $ (20,813) $ (38,400)
Denominator:            
Weighted-average common shares outstanding, basic 16,761,044   15,892,970   16,675,831 15,783,281
Weighted-average common shares outstanding, diluted 16,761,044   15,892,970   16,675,831 15,783,281
Net loss per share attributable to common stockholders, basic $ (0.59)   $ (1.24)   $ (1.25) $ (2.43)
Net loss per share attributable to common stockholders, diluted $ (0.59)   $ (1.24)   $ (1.25) $ (2.43)