Debt - Narrative (Details)			3 Months Ended		6 Months Ended
	May 10, 2024 USD ($) $ / shares shares	Nov. 23, 2022 USD ($) installment	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	May 09, 2024 $ / shares shares	May 08, 2024 USD ($)	May 07, 2024 USD ($)	Dec. 01, 2020 USD ($)	Feb. 13, 2020 USD ($)	Sep. 12, 2019 USD ($)
Debt Instrument
Warrants outstanding (in shares) | shares	30,268,000
Warrants Expiring November 18, 2024
Debt Instrument
Warrants outstanding (in shares) | shares							2,500,000
Warrants exercise price (in dollars per share) | $ / shares	$ 1.00						$ 1.60
Note Purchase Agreement | Senior Notes
Debt Instrument
Debt maximum borrowing capacity												$ 130,000,000
Debt face amount												$ 80,000,000
Number of installment payments (installment) | installment		8
Debt term		3 months
Variable rate (as a percent)		2.50%
Stated interest rate (as a percent)		8.50%
Increase in interest rate (as a percent)		3.00%
Effective rate (as a percent)			14.53%		14.53%
Amendment fee (as a percent)		3.00%
Amendment fee payable		$ 1,300,000
Make whole premium payment		24,000,000
Debt covenant, cash and cash equivalents								$ 20,000,000	$ 30,000,000
Shares issued to settle debt (in shares) | shares	4,680,000
Value of debt settled with shares	$ 4,680,000
Interest expense			$ 4,947,000	$ 4,824,000	$ 9,918,000	$ 9,496,000
Note Purchase Agreement | Senior Notes | Debt Instrument, Redemption, Period One
Debt Instrument
Amendment fee		$ 3,900,000
Debt instrument, make-whole provision, payment accrual period		18 months
Note Purchase Agreement | Senior Notes | Debt Instrument, Redemption, Period Three
Debt Instrument
Amendment fee		$ 2,600,000
Debt instrument, make-whole provision, payment accrual period		42 months
Note Purchase Agreement | Senior Notes | Debt Instrument, Redemption, Period Two
Debt Instrument
Debt instrument, make-whole provision, payment accrual period		24 months
Note Purchase Agreement - First Delayed Draw Notes | Senior Notes
Debt Instrument
Debt face amount											$ 30,000,000
Note Purchase Agreement - Third Delayed Draw Notes | Senior Notes
Debt Instrument
Debt face amount										$ 20,000,000