Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands			1 Months Ended		3 Months Ended		9 Months Ended
	May 03, 2024 USD ($)	Feb. 28, 2023 USD ($)	Mar. 31, 2025 USD ($)	Aug. 31, 2024 USD ($)	Sep. 30, 2025 USD ($) vote classOfStock $ / shares shares	Sep. 30, 2024 USD ($) shares	Sep. 30, 2025 USD ($) vote classOfStock $ / shares shares	Sep. 30, 2024 USD ($) shares	Jun. 30, 2025 shares	Dec. 31, 2024 shares	Jun. 30, 2024 shares	Dec. 31, 2023 shares
Class of Stock [Line Items]
Number of classes of stock | classOfStock					2		2
Issuance of Class A common stock | $						$ 140	$ 0	$ 547
Vendor payments in stock in lieu of cash, liability | $					$ 4,600		$ 4,600
Vendor stock-in-lieu of cash program
Class of Stock [Line Items]
Vendor payments in shares in lieu of cash (in shares)					1,600,000		2,600,000
Private Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)					0		0			111,218
Share per warrant (in shares)					1		1
Stock price of warrants (in dollars per share) | $ / shares					$ 172.50		$ 172.50
Equity Financing Program
Class of Stock [Line Items]
Stock issuance sales agreement, authorized offering amount | $		$ 75,000	$ 75,000
Stock issuance sales agreement, additional authorized offering amount | $	$ 150,000			$ 50,000
Issuance of Class A common stock | $					$ 14,692	$ 5,900	$ 36,153	$ 41,806
Class A Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)					715,000,000		715,000,000
Common stock, par value (in dollars per share) | $ / shares					$ 0.0001		$ 0.0001
Common stock, votes per share | vote					1		1
Class A Common Stock | Common Stock
Class of Stock [Line Items]
Common stock, shares issued (in shares)					72,493,635	28,157,410	72,493,635	28,157,410	54,830,075	38,056,676	26,077,917	22,952,280
Common stock, shares outstanding (in shares)					71,036,072		71,036,072
Issuance of Class A common stock (in Shares)					1,230,889	431,572	2,885,761	1,543,996
Vendor payments in shares in lieu of cash (in shares)					133,642	23,843	133,642	129,959
Class A Common Stock | Equity Financing Program
Class of Stock [Line Items]
Issuance of Class A common stock | $					$ 14,700		$ 36,200
Common stock remaining amount available | $					$ 172,500		$ 172,500
Class A Common Stock | Equity Financing Program | Common Stock
Class of Stock [Line Items]
Issuance of Class A common stock (in Shares)					6,280,277	266,666	12,527,353	1,600,075
Issuance of Class A common stock | $					$ 1		$ 2
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)					121,000,000		121,000,000
Common stock, par value (in dollars per share) | $ / shares					$ 0.0001		$ 0.0001
Common stock, shares issued (in shares)					4,872,578		4,872,578
Common stock, shares outstanding (in shares)					4,872,578		4,872,578
Common stock, votes per share | vote					10		10
Class B Common Stock | Common Stock
Class of Stock [Line Items]
Common stock, shares issued (in shares)					4,872,578	6,472,578	4,872,578	6,472,578	4,872,578	4,872,578	6,472,578	6,472,578