Liquidity and Capital Resources and Going Concern (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Sep. 26, 2023	Nov. 11, 2022
Debt Instrument [Line Items]
Accumulated deficit	$ (4,671,487)	$ (4,314,346)
Cash	62,909	$ 7,144	$ 7,269
Working capital	121,200
Standby Equity Purchase Agreement
Debt Instrument [Line Items]
Option to increase commitment amount					$ 350,000
Class A Common Stock | Standby Equity Purchase Agreement
Debt Instrument [Line Items]
Commitment amount	342,500				$ 200,000
Additional commitment amount	192,500
Class A Common Stock | Sales Agreement | Sales Agents
Debt Instrument [Line Items]
Commitment amount				$ 90,000
SPA Notes | Committed Debt
Debt Instrument [Line Items]
Aggregate principal amount	739,000
Funded	494,200
Expired unfunded	189,200
To be funded	55,600
Outstanding amount	52,700
SPA Notes | Optional Debt
Debt Instrument [Line Items]
Aggregate principal amount	467,000
Funded	100,400
Expired unfunded	317,100
To be funded	49,500
Outstanding amount	$ 40,700