Convertible Debt Instruments - Changes in carrying amount (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Convertible Debt Instruments
Payments of principal settled in cash	$ (45,000)
Payments or principal settled in common stock	(30,000)
Loss on extinguishment of convertible debenture	3,652	$ 14,047
6.0% Convertible Debenture
Convertible Debt Instruments
Beginning balance	173,150
Payments of principal settled in cash	(45,000)
Payments or principal settled in common stock	(30,000)
Loss on extinguishment of convertible debenture	2,416
Change in fair value of the convertible debenture	7,338
Amortization of discount	746
Ending balance	$ 108,650