Summary of Significant Accounting Policies - Basis of Presentation and Going Concern (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
	Feb. 08, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Accounting Policies [Abstract]
Voting rights stock held	85.30%
Cash and cash equivalents		$ 110,719				$ 110,719		$ 83,045
Debt security investments		49,704				49,704		0
Accumulated deficit		(787,872)				(787,872)		$ (456,245)
Net cash used in operating activities						(59,116)	$ (42,505)
Net income (loss)		$ (26,786)	$ (63,312)	$ (15,929)	$ (16,778)	$ (90,098)	$ (32,707)
Proceeds from divestiture of businesses, net	$ 153,285