Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenues		$ 1,533,910	$ 1,296,429	$ 935,061
Total amount awarded	$ 24,000
Product revenue, net
Disaggregation of Revenue [Line Items]
Total revenues		1,524,782	1,263,068	887,038
License and royalty revenues
Disaggregation of Revenue [Line Items]
Total revenues		9,128	33,361	48,023
Total radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Total revenues		1,058,218	854,433	531,507
PYLARIFY
Disaggregation of Revenue [Line Items]
Total revenues		1,057,834	851,303	527,405
Other radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Total revenues		384	3,130	4,102
Total precision diagnostics
Disaggregation of Revenue [Line Items]
Total revenues		437,510	390,118	356,682
DEFINITY
Disaggregation of Revenue [Line Items]
Total revenues		317,792	279,768	244,993
TechneLite
Disaggregation of Revenue [Line Items]
Total revenues		95,487	87,370	88,864
Other precision diagnostics
Disaggregation of Revenue [Line Items]
Total revenues		24,231	22,980	22,825
Strategic Partnerships and other revenue
Disaggregation of Revenue [Line Items]
Total revenues		$ 38,182	$ 51,878	$ 46,872