Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ (65,922)	$ (40,387)	$ (37,552)
State taxes, net of federal effect	374	107	21
Impact on noncontrolling interest	2,872	6,074	4,522
Elimination of acquiree deferred taxes	0	2,149	0
Non-U.S. tax effect	(387)	412	78
Nondeductible expenses and losses	2,258	1,311	908
Stock-based compensation	7,019	5,307	5,956
Loss on debt extinguishment	0	0	214
U.S. tax on foreign earnings (GILTI)	2,525	59	203
(Gain) loss on SK Equity Transaction	(3,932)	2,292	0
Acquisition contingent liability	0	(762)	0
Change in valuation allowance	56,290	24,484	25,906
Provision for income taxes	$ 1,097	$ 1,046	$ 256