Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues		$ 1,296,429	$ 935,061	$ 425,208
Product revenue, net
Disaggregation of Revenue [Line Items]
Total revenues		1,263,068	887,038	400,356
License and royalty revenues
Disaggregation of Revenue [Line Items]
Total revenues		33,361	48,023	24,852
Total radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Total revenues		854,433	531,507	48,887
PYLARIFY
Disaggregation of Revenue [Line Items]
Total revenues		851,303	527,405	43,414
Other radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Total revenues		3,130	4,102	5,473
Total precision diagnostics
Disaggregation of Revenue [Line Items]
Total revenues		390,118	356,682	351,025
DEFINITY
Disaggregation of Revenue [Line Items]
Total revenues		279,768	244,993	232,759
TechneLite
Disaggregation of Revenue [Line Items]
Total revenues		87,370	88,864	91,293
Other precision diagnostics
Disaggregation of Revenue [Line Items]
Total revenues		22,980	22,825	26,973
Strategic Partnerships and other revenue
Disaggregation of Revenue [Line Items]
Total revenues		$ 51,878	$ 46,872	$ 25,296
License and Royalty Revenues, Sales-Based Milestone Payment
Disaggregation of Revenue [Line Items]
Total revenues	$ 15,000