Segments - Reconciliation of Net Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA for reportable segments	$ (28,057)	$ (17,337)	$ (52,077)	$ (38,559)
Other expenses:
Depreciation and amortization			(3,191)	(3,404)
Gain on disposals of assets			3	40
Stock-based compensation expense	(1,964)	(2,188)	(4,545)	(5,320)
Shares issued as payment for services			528	545
Consolidated loss before income taxes	(60,481)	(20,384)	(84,248)	(43,173)
Operating segments
Segment Reporting Information [Line Items]
Remove cash paid for capital expenditures, net of proceeds from sale of assets	2,326	101	6,674	255
Interest income	319	828	927	1,461
Corporate And Reconciling Items
Other expenses:
Interest expense	2	136	4	460
Depreciation and amortization	(1,596)	(1,693)	(3,191)	(3,404)
Gain on disposals of assets	0	40	3	40
Impairment losses	(34,545)	0	(34,545)	0
Stock-based compensation expense	(1,964)	(2,188)	(4,545)	(5,320)
Adjustment related to accrued bonuses paid in equity awards	3,039	0	3,039	3,360
Shares issued as payment for services	0	0	(528)	(545)
Other	(1)	1	(1)	(1)
Reportable Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA for reportable segments	$ (28,057)	$ (17,337)	$ (52,077)	$ (38,559)