Fair Value Measurements - Fair Value on Financial Instrument Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Subordinated Note Warrants - Related Party [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	$ 0	$ 0
Liabilities, fair value	725	316
Series F Preferred Stock Embedded Derivatives [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	15,806	15,853
Series F Preferred Stock Warrants [Member]
Fair Value Measurements [Abstract]
Liabilities, face value	0	0
Liabilities, fair value	$ 114,433	$ 90,134