Fair Value - Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Assets
Total assets	$ 614,969	$ 291,903
Liabilities
Total liabilities	3,834	5,895
Money market funds
Assets
Money market funds	614,969	291,903
Embedded EPP derivatives
Liabilities
Derivatives	3,834	5,895
Level 1
Assets
Total assets	614,969	291,903
Liabilities
Total liabilities	0	0
Level 1 | Money market funds
Assets
Money market funds	614,969	291,903
Level 1 | Embedded EPP derivatives
Liabilities
Derivatives	0	0
Level 2
Assets
Total assets	0	0
Liabilities
Total liabilities	0	0
Level 2 | Money market funds
Assets
Money market funds	0	0
Level 2 | Embedded EPP derivatives
Liabilities
Derivatives	0	0
Level 3
Assets
Total assets	0	0
Liabilities
Total liabilities	3,834	5,895
Level 3 | Money market funds
Assets
Money market funds	0	0
Level 3 | Embedded EPP derivatives
Liabilities
Derivatives	$ 3,834	$ 5,895