Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 22, 2023	Dec. 31, 2022
Forward Contract Liability
Financial Assets:
Liabilities, fair value	$ 164,400	$ 106,200
Fair Value, Measurements, Recurring
Financial Assets:
Financial assets, fair value	18,861		$ 46,853
Liabilities, fair value	194,161
Fair Value, Measurements, Recurring | Corporate bonds
Financial Assets:
Financial assets, fair value			3,732
Fair Value, Measurements, Recurring | Commercial paper
Financial Assets:
Financial assets, fair value			23,641
Fair Value, Measurements, Recurring | Level 1
Financial Assets:
Financial assets, fair value	18,861		15,250
Fair Value, Measurements, Recurring | Level 2
Financial Assets:
Financial assets, fair value			31,603
Liabilities, fair value	164,661
Fair Value, Measurements, Recurring | Level 2 | Corporate bonds
Financial Assets:
Financial assets, fair value			3,732
Fair Value, Measurements, Recurring | Level 2 | Commercial paper
Financial Assets:
Financial assets, fair value			23,641
Fair Value, Measurements, Recurring | Level 3
Financial Assets:
Liabilities, fair value	29,500
Fair Value, Measurements, Recurring | Forward Contract Liability
Financial Assets:
Liabilities, fair value	164,382
Fair Value, Measurements, Recurring | Forward Contract Liability | Level 2
Financial Assets:
Liabilities, fair value	164,382
Fair Value, Measurements, Recurring | Parapyre Option Obligation
Financial Assets:
Liabilities, fair value	279
Fair Value, Measurements, Recurring | Parapyre Option Obligation | Level 2
Financial Assets:
Liabilities, fair value	279
Fair Value, Measurements, Recurring | CVR Liability
Financial Assets:
Liabilities, fair value	29,500
Fair Value, Measurements, Recurring | CVR Liability | Level 3
Financial Assets:
Liabilities, fair value	29,500
Fair Value, Measurements, Recurring | Money market funds
Financial Assets:
Financial assets, fair value	18,861		15,250
Fair Value, Measurements, Recurring | Money market funds | Level 1
Financial Assets:
Financial assets, fair value	$ 18,861		15,250
Fair Value, Measurements, Recurring | U.S. Government Securities
Financial Assets:
Financial assets, fair value			4,230
Fair Value, Measurements, Recurring | U.S. Government Securities | Level 2
Financial Assets:
Financial assets, fair value			$ 4,230