Notes Payable - 2023 Unsecured SPA Notes Narrative (Details) - Notes Payable - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt		$ (2,699)		$ (2,699)
Gain (loss) on fair value adjustment of debts	$ 18,074	14,881	$ 31,131	35,690
2023 Unsecured Convertible Note
Debt Instrument [Line Items]
Debt instrument, term (in years)			6 years
Notes payable	$ 7,500		$ 7,500		$ 6,700
Percent of purchaser's conversion shares	33.00%		33.00%
Proceeds from debt, net of issuance costs	$ 4,500	0	$ 9,000	0
Debt conversion, converted amount	$ 1,900	$ 12,100	$ 6,300	$ 12,500
Shares issued from conversion (in shares)	1,622,455	3,658,727	5,790,219	3,782,135
Gain (loss) on extinguishment of debt		$ 2,394		$ 2,394
Gain (loss) on fair value adjustment of debts	$ (212)	2,355	$ 1,773	3,570
2023 Unsecured Convertible Note | Class A Common Stock
Debt Instrument [Line Items]
Debt instrument, fixed conversion price percentage			90.00%
Gain (loss) on extinguishment of debt	$ (400)	$ (7,600)	$ (3,200)	$ (7,800)
2023 Unsecured SPA Notes Tranche One
Debt Instrument [Line Items]
Debt instrument, fixed price (in dollars per share)	$ 1.16		$ 1.16
2023 Unsecured SPA Notes Tranche Two
Debt Instrument [Line Items]
Debt instrument, fixed price (in dollars per share)	$ 5.24		$ 5.24
Minimum | 2023 Unsecured Convertible Note
Debt Instrument [Line Items]
Notes payable bearing interest rate	10.00%		10.00%		10.00%
Maximum | 2023 Unsecured Convertible Note
Debt Instrument [Line Items]
Notes payable bearing interest rate	15.00%		15.00%		15.00%