Goodwill and Intangible Assets - Additional Information (Details) $ in Thousands		12 Months Ended
	Oct. 01, 2020	Dec. 31, 2021 USD ($) product	Dec. 31, 2020 USD ($) product subsidiary	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Goodwill		$ 593,017	$ 522,814	$ 419,504
Impairment charges		17,700
Number of products experiencing impairment | product			6
In-process research and development		$ 405,425	$ 379,395
In-process research and development
Goodwill [Line Items]
Number of products experiencing impairment | product		1	4
Number of products contract terminated | subsidiary			1
Number of products experiencing price erosion | product			3
Number of products experiencing increased competition at launch | product			1
Number of products no longer pursuing approval | product			4
Marketed products
Goodwill [Line Items]
Number of products experiencing impairment | product		7	4
Number of products contract terminated | product		2
Number of products experiencing price erosion | product		5
Cost of goods sold
Goodwill [Line Items]
Impairment charges		$ 23,400
Minimum | Long-term Revenue Growth Rate
Goodwill [Line Items]
Goodwill inputs, percentage	0.00%
Minimum | Discount rate
Goodwill [Line Items]
Goodwill inputs, percentage	9.00%
Maximum | Long-term Revenue Growth Rate
Goodwill [Line Items]
Goodwill inputs, percentage	1.00%
Maximum | Discount rate
Goodwill [Line Items]
Goodwill inputs, percentage	10.50%
Specialty
Goodwill [Line Items]
Goodwill		363,000	$ 361,000
Percentage of fair value in excess of carrying amount			68.00%
Generics
Goodwill [Line Items]
Goodwill		160,000	$ 92,000
Percentage of fair value in excess of carrying amount			97.00%
Impairment charges		23,400	$ 37,300
Generics | In-process research and development
Goodwill [Line Items]
Impairment charges		700	2,700
Generics | Cost of goods sold
Goodwill [Line Items]
Impairment charges		22,700	34,600
Av Kare
Goodwill [Line Items]
Goodwill		$ 70,000	$ 70,000
Percentage of fair value in excess of carrying amount			86.00%