Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 378,045	$ 394,091	$ 750,809	$ 764,066
Product revenue, net
Disaggregation of Revenue [Line Items]
Revenues	374,547	392,756	741,465	762,069
License and royalty revenues
Disaggregation of Revenue [Line Items]
Revenues	3,498	1,335	9,344	1,997
Total radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Revenues	250,642	273,255	508,296	532,509
PYLARIFY
Disaggregation of Revenue [Line Items]
Revenues	250,642	273,255	508,296	532,125
Other radiopharmaceutical oncology
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	384
Total precision diagnostics
Disaggregation of Revenue [Line Items]
Revenues	115,813	112,111	220,176	216,321
DEFINITY
Disaggregation of Revenue [Line Items]
Revenues	83,939	78,100	163,150	154,664
TechneLite
Disaggregation of Revenue [Line Items]
Revenues	24,982	28,186	44,693	49,900
Other precision diagnostics
Disaggregation of Revenue [Line Items]
Revenues	6,892	5,825	12,333	11,757
Strategic partnerships and other revenue
Disaggregation of Revenue [Line Items]
Revenues	$ 11,590	$ 8,725	$ 22,337	$ 15,236