Liquidity and Capital Resources and Going Concern (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Sep. 26, 2023
Debt Instrument [Line Items]
Retained earnings (accumulated deficit)	$ (4,743,898)		$ (4,705,042)
Cash and cash equivalents	12,231	$ 9,458	$ 34,927
Working capital	76,000
Net income (loss)	(38,856)	$ (10,278)
Sales Agents | Class A Common Stock | Sales Agreement
Debt Instrument [Line Items]
Commitment amount				$ 90,000
SPA Notes | Committed Debt
Debt Instrument [Line Items]
Aggregate principal amount	739,000
Funded	517,500
Expired unfunded	177,200
To be funded	44,300
Outstanding amount	48,000
SPA Notes | Optional Debt
Debt Instrument [Line Items]
Aggregate principal amount	467,000
Funded	106,000
Expired unfunded	327,500
To be funded	33,500
Outstanding amount	7,100
Accumulated Deficit
Debt Instrument [Line Items]
Net income (loss)	$ (42,300)