Notes Payable - Unsecured Convertible Notes Narrative (Details) - Notes Payable - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Notes and loans payable	$ 78,902	$ 55,500	$ 78,902	$ 55,500	$ 49,488	$ 28,033	$ 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)
Unsecured Convertible Note
Debt Instrument [Line Items]
Debt instrument, term (in months)			3 months		3 months
Notes payable bearing interest rate	4.27%		4.27%		4.27%
Notes and loans payable	$ 0	0	$ 0	0			$ 19,234	$ 0
Proceeds from debt, net of issuance costs		10,800		27,400
Gain (loss) on fair value adjustment of debts		114		(2,550)
Gain (loss) on extinguishment of debt		$ 65		$ 65