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Related Parties - Non-Operating Corporate Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jan. 31, 2026	Jun. 30, 2025	Dec. 31, 2025	Aug. 31, 2025	Aug. 04, 2025
9.50% Convertible Senior Notes \| Secured Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Face amount								$ 53.5
Interest expense, debt (less than)	$ 1.5		$ 3.0	$ 2.5
Outstanding debt	56.0		56.0			$ 53.5
7.50% Convertible Senior Notes
Related Party Transaction [Line Items]
Outstanding debt	0.2		0.2
7.50% Convertible Senior Notes \| Non-Operating Corporate
Related Party Transaction [Line Items]
Outstanding debt						0.2
7.50% Convertible Senior Notes \| Convertible Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Outstanding debt	0.2		0.2			0.2
CGIC Promissory Note \| Secured Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Outstanding debt	49.7		49.7			45.9
CGIC \| CGIC Promissory Note \| Secured Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Interest expense, debt (less than)	1.8	$ 1.3	3.5		$ 2.7
Outstanding debt							$ 43.0
Related Party \| Lancer Capital \| Convertible Senior Notes Due 2026 and 2027 \| Convertible Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Interest expense, debt (less than)			0.1		$ 0.1
Related Party \| Lancer Capital \| 9.50% Convertible Senior Notes \| Convertible Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Face amount	$ 2.3		$ 2.3			$ 2.2
Number of shares to be issued upon conversion of preferred stock (in shares)	54,338		54,338			51,874
Related Party \| Lancer Capital \| 7.50% Convertible Senior Notes \| Convertible Debt \| Non-Operating Corporate
Related Party Transaction [Line Items]
Face amount	$ 2.0		$ 2.0
Related Party \| CGIC \| Non-Operating Corporate
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction			$ 0.6