Notes Payable - Junior Secured SPA Note Narrative (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) trading_day $ / shares shares	Sep. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jan. 28, 2025 $ / shares	Dec. 31, 2024 USD ($)	Dec. 21, 2024 $ / shares	Sep. 05, 2024 $ / shares shares	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Junior SPA Warrants
Debt Instrument [Line Items]
Percent of purchaser's conversion shares									100.00%
Debt instrument, term (in years)			5 years
Warrants rights (in shares) | shares	190,840		190,840
Junior SPA Warrants | Class A Common Stock
Debt Instrument [Line Items]
Warrants rights (in shares) | shares	190,840		190,840						202,768
Notes Payable
Debt Instrument [Line Items]
Notes and loans payable	$ 78,902	$ 55,500	$ 78,902	$ 55,500	$ 28,033		$ 49,488			$ 77,394	$ 91,150
Gain (loss) on fair value adjustment of debts	$ 18,074	14,881	$ 31,131	35,690
Gain (loss) on extinguishment of debt		(2,699)		(2,699)
Junior Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Notes payable bearing interest rate									10.00%
Debt instrument, floor price (in dollars per share) | $ / shares									$ 1.05
Debt instrument, convertible, threshold consecutive trading days (in days) | trading_day			5
Debt instrument, term (in years)			1 year
Conversion price (in dollars per share) | $ / shares	$ 1.16		$ 1.16			$ 5.24		$ 1.16	5.24
Notes and loans payable	$ 17,529	9,428	$ 17,529	9,428	$ 0		$ 26,059			$ 0	$ 0
Proceeds from debt, net of issuance costs	18,000	13,300	18,000	13,300
Gain (loss) on fair value adjustment of debts	(106)	4,004	9,485	4,004
Gain (loss) on extinguishment of debt		$ 0		$ 0
Junior Secured SPA Notes | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Debt conversion, converted amount	$ 0		$ 28,800
Shares issued from conversion (in shares) | shares	0		27,412,545
Gain (loss) on extinguishment of debt	$ 0		$ (20,400)
Junior Secured SPA Notes Tranche One | Notes Payable
Debt Instrument [Line Items]
Debt instrument, fixed price (in dollars per share) | $ / shares									$ 1.16
Junior Secured SPA Notes Tranche Two | Notes Payable
Debt Instrument [Line Items]
Debt instrument, fixed price (in dollars per share) | $ / shares	$ 5.24		$ 5.24