Business Combinations - Fair Value of the Consideration Transferred in the Acquisition (Details) - USD ($) $ in Thousands		12 Months Ended
Jun. 19, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Contingent consideration liabilities		$ 15,800
Total consideration transferred		$ 7,100
Progenics
Business Acquisition [Line Items]
Issuance of common stock	$ 398,110
Fair value of replacement stock options	7,125
Fair value of bridge loan settled at close	10,074
Contingent consideration liabilities	3,700
Total consideration transferred	$ 419,009

Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Fair Value Of Replacement Options

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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