Loss per Share - Computation of Basic and Diluted Loss per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net loss attributable to Amneal Pharmaceuticals, Inc.	$ (91,643)	$ (6,943)
Denominator:
Weighted-average shares outstanding - basic (in shares)	307,279	152,109
Weighted-average shares outstanding - diluted (in shares)	307,279	152,109
Net loss per share attributable to Amneal Pharmaceuticals, Inc.’s Class A common stockholders:
Basic (in dollars per share)	$ (0.30)	$ (0.05)
Diluted (in dollars per share)	$ (0.30)	$ (0.05)