Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Total revenues	$ 52,437	$ 58,478	$ 165,274	$ 173,338
Operating expenses:
Depreciation	815	482	2,190	1,319
Impairment of property and equipment (see Note 4)	0	5,044	0	5,044
Total general and administrative expense (excluding depreciation)	20,272	12,319	52,448	39,726
Operating loss	(15,419)	(13,724)	(54,136)	(43,999)
Other income (expense), net:
Interest income	4,833	44	9,752	118
Interest expense	(1,344)	(13)	(1,442)	(87)
Change in fair value of earn-out liabilities	0	(33,328)	(33,369)	(33,816)
Change in fair value of warrant liabilities	1,950	(33,686)	31,919	(36,641)
Loss on issuance of securities	0	0	0	(68,080)
Other income, net	25	346	90	768
Income tax expense	(5)	(50)	(5)	(50)
Net loss	(9,960)	(80,411)	(47,191)	(181,787)
Reportable Segment
Segment Reporting Information [Line Items]
Total revenues	52,437	58,478	165,274	173,338
Operating expenses:
Cost of revenue (excluding depreciation)	46,769	54,357	164,772	171,248
Depreciation	815	482	2,190	1,319
Impairment of property and equipment (see Note 4)	0	5,044	0	5,044
Total general and administrative expense (excluding depreciation)	20,272	12,319	52,448	39,726
Sales and marketing expense	5,156	807	7,960	2,276
Other general and administrative expense	15,116	11,512	44,488	37,450
Operating loss	(15,419)	(13,724)	(54,136)	(43,999)
Other income (expense), net:
Interest income	4,833	44	9,752	118
Interest expense	(1,344)	(13)	(1,442)	(87)
Change in fair value of earn-out liabilities	0	(33,328)	(33,369)	(33,816)
Change in fair value of warrant liabilities	1,950	(33,686)	31,919	(36,641)
Loss on issuance of securities	0	0	0	(68,080)
Other income, net	25	346	90	768
Income tax expense	(5)	(50)	(5)	(50)
Net loss	(9,960)	(80,411)	(47,191)	(181,787)
Business development	1,200	500	2,600	1,400
Research and development expense	$ 4,000	$ 300	$ 5,400	$ 900