Notes Payable - 2023 Unsecured SPA Notes Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 21, 2024	Sep. 05, 2024
Debt Instrument [Line Items]
Payments of notes payable issuance costs	$ 2,087	$ 2,503
Notes Payable
Debt Instrument [Line Items]
Reclassification of debt between debt categories	0
Gain (loss) extinguishments of debt	$ 2,699	13,078
2023 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Conversion price (in dollars per share)	$ 1.16
Debt instrument, term (in years)	6 years
Notes payable	$ 6,700	11,900
Proceeds from debt, net of issuance costs	0	23,300
Aggregate principal amount	22,100
Reclassification of debt between debt categories	22,371
Debt conversion, converted amount	$ 31,000	$ 12,500
Shares issued from conversion (in shares)	19,368,059	85,830
Gain (loss) extinguishments of debt	$ (2,394)	$ 0
Payments of notes payable issuance costs		200
Gain (loss) on fair value adjustment of debts, favorable, net		100
2023 Unsecured SPA Notes | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Debt instrument, fixed conversion price percentage	90.00%
Gain (loss) extinguishments of debt	$ (31,500)	$ (9,200)
Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Percent of purchaser's conversion shares	33.00%
Junior Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates				10.00%
Conversion price (in dollars per share)			$ 1.16	$ 5.24
Debt instrument, term (in years)	1 year
Proceeds from debt, net of issuance costs	$ 22,500
Reclassification of debt between debt categories	7,500
Gain (loss) extinguishments of debt	0
Payments of notes payable issuance costs	1,300
Junior Secured SPA Notes | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Debt conversion, converted amount	$ 1,100
Shares issued from conversion (in shares)	1,046,651
Gain (loss) extinguishments of debt	$ 1,400
Unsecured Convertible Note | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	4.27%
Debt instrument, term (in years)	3 months
Aggregate principal amount	$ 19,900
Reclassification of debt between debt categories	(35,148)
Gain (loss) extinguishments of debt	$ (65)
Minimum | 2023 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%	10.00%
Maximum | 2023 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%	15.00%