Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenues		$ 935,061	$ 425,208	$ 339,410
Total amount awarded	$ 24,000
Product revenue, net
Disaggregation of Revenue [Line Items]
Total revenues		887,038	400,356	327,695
License and royalty revenues
Disaggregation of Revenue [Line Items]
Total revenues		48,023	24,852	11,715
Total precision diagnostics
Disaggregation of Revenue [Line Items]
Total revenues		356,682	351,025	317,634
DEFINITY
Disaggregation of Revenue [Line Items]
Total revenues		244,993	232,759	195,865
TechneLite
Disaggregation of Revenue [Line Items]
Total revenues		88,864	91,293	84,945
Other precision diagnostics
Disaggregation of Revenue [Line Items]
Total revenues		22,825	26,973	36,824
Total radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Total revenues		531,507	48,887	10,022
PYLARIFY
Disaggregation of Revenue [Line Items]
Total revenues		527,405	43,414	0
Other radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Total revenues		4,102	5,473	10,022
Strategic Partnerships and other revenue
Disaggregation of Revenue [Line Items]
Total revenues		$ 46,872	$ 25,296	$ 11,754