Fair Value of Financial Instruments - Schedule of Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Assets:
Digital assets	$ 1,600	$ 0
Fair Value, Recurring
Liabilities:
Warrant liabilities	400
Level 1 | Fair Value, Recurring
Assets:
Money-market funds	38,214
Digital assets	0
Liabilities:
Warrant liabilities	0	0
Derivative call options	0	0
Notes payable	0	0
Market-based awards	0
Level 2 | Fair Value, Recurring
Assets:
Money-market funds	0
Digital assets	1,592
Liabilities:
Warrant liabilities	0	0
Derivative call options	0	0
Notes payable	0	0
Market-based awards	0
Level 3 | Fair Value, Recurring
Assets:
Money-market funds	0
Digital assets	0
Liabilities:
Warrant liabilities	43,150	28,864
Derivative call options	18,900	29,709
Notes payable	73,065	$ 46,628
Market-based awards	$ 1,882