Segments - Reconciliation of Net Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA for reportable segments	$ (24,020)	$ (21,222)
Other expenses:
Depreciation and amortization	(1,595)	(1,711)
Gain (loss) on disposals of assets	3	0
Stock-based compensation expense	(2,581)	(3,131)
Shares issued as payment for services	528	545
Consolidated loss before income taxes	(23,767)	(22,789)
Operating segments
Segment Reporting Information [Line Items]
Remove cash paid for capital expenditures, net of proceeds from sale of assets	4,348	154
Interest income	608	633
Corporate And Reconciling Items
Other expenses:
Interest expense	(2)	(324)
Depreciation and amortization	(1,595)	(1,711)
Gain (loss) on disposals of assets	3	0
Stock-based compensation expense	(2,581)	(3,132)
Adjustment related to accrued bonuses paid in equity awards	0	3,360
Shares issued as payment for services	(528)	(545)
Corporate noncash items	0	(2)
Reportable Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA for reportable segments	$ (24,020)	$ (21,222)