Stock-Based Compensation​ - Schedule of Warrant Activity (Details) - Warrants - USD ($) $ / shares in Units, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Number of Shares
Beginning balance (in shares)	8,736,599
Issued (in shares)	15,000,000
Ending balance (in shares)	23,736,599	8,736,599
Vested and exercisable (in shares)	5,788,245
Weighted Average Exercise Price
Beginning balance (in dollars per share)	$ 0.01
Issued (in dollars per share)	0.01
Ending balance (in dollars per share)	0.01	$ 0.01
Vested and exercisable (in dollars per share)	$ 0.01
Weighted Average Remaining Contractual Life (Years)
Outstanding (in years)	5 years 6 months 21 days	7 years 10 months 2 days
Vested and exercisable (in years)	6 years 2 months 12 days
Aggregate Intrinsic Value (In millions)
Outstanding at period start	$ 16.3
Outstanding at period end	97.6	$ 16.3
Vested and exercisable	$ 23.8