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Stockholders' Equity (Deficit) - March 2024 Securities Purchase Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands												12 Months Ended
	Dec. 12, 2025	Dec. 09, 2025	Oct. 20, 2025	Oct. 10, 2025	Sep. 08, 2025	Jul. 01, 2025	Mar. 21, 2025	Feb. 11, 2025	Dec. 17, 2024	Mar. 04, 2024	Jan. 12, 2024	Dec. 31, 2025	Dec. 31, 2024	Oct. 14, 2025	Sep. 25, 2025	Mar. 20, 2025	Oct. 24, 2024	Sep. 15, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price (in dollars per share)															$ 22.13
Number of warrants exercised on net basis (in shares)																	20,009
Exercise price (in dollars per share)								$ 77.07	$ 121.74		$ 239.90
Warrants and rights outstanding, term (in years)						5 years		5 years	5 years
Aggregate cost	$ 17,400	$ 3,700	$ 13,000	$ 9,200			$ 2,100		$ 5,000	$ 4,000	$ 4,000
Agent fees and other offering costs										$ 500	$ 400	$ 1,673	$ 1,677
Proceeds from issuance of warrants									$ 4,400
Change in fair value of warrant liability					$ 600							$ (2,330)	$ 0
March Pre-Funded Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants exercised on net basis (in shares)										13,223
Exercise price (in dollars per share)										$ 0.00001
March Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of warrants exercised on net basis (in shares)										18,505	14,754
Exercise price (in dollars per share)										$ 184.93
Warrants and rights outstanding, term (in years)										5 years
Proceeds from issuance of warrants										$ 3,500
Change in fair value of warrant liability										$ 100
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares sold (in shares)						38,096	60,025	16,807	12,886	5,283	3,602
Purchase price (in dollars per share)										$ 216.16	$ 271.14							$ 137.45
Number of warrants exercised on net basis (in shares)														418,466	37,816			40,017
Exercise price (in dollars per share)							$ 34.45		$ 108.53			$ 143,693				$ 67.83
Warrants and rights outstanding, term (in years)												5 years