Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of fair value hierarchy for financial assets and liabilities

The following tables present the Company's fair value hierarchy for financial assets and liabilities measured as of December 31, 2024 and 2023 ($ in millions):

	December 31, 2024
	Level 1		Level 2		Level 3		Total
Financial Assets:
Corporate debt securities	$	—	$	470.8	$	—	$	470.8
U.S. Government obligations	—		107.7		—		107.7
Asset-backed securities	—		22.9		—		22.9
Non U.S. government obligations	—		6.0		—		6.0
Fixed maturities	—		607.4		—		607.4
Short term investments	—		27.5		—		27.5
Total	$	—	$	634.9	$	—	$	634.9
Financial Liabilities:
Warrant liability (1)	$	—	$	—	$	—	$	—

(1) Fair value of Public and Private warrant liability classified as Level 1 amounted to less than $0.1 million as of December 31, 2024.

	December 31, 2023
	Level 1		Level 2		Level 3		Total
Financial Assets:
Corporate debt securities	$	—	$	449.9	$	—	449.9
U.S. Government obligations	—		175.9		—		175.9
Asset-backed securities	—		1.6		—		1.6
Non U.S. government obligations	—		—		—		—
Fixed maturities	—		627.4		—		627.4
Short term investments	—		45.8		—		45.8
Total	$	—	$	673.2	$	—	$	673.2
Financial Liabilities:
Warrant liability (1)	$	—	$	—	$	—	$	—

(1) Fair value of Public and Private warrant liability classified as Level 1 amounted to less than $0.1 million as of December 31, 2023.

Schedule of warrant liability

The following table below presents the change in fair value of the warrant liability ($ in millions):

	December 31,
	2024		2023
Balance as of January 1	$	—	$	0.3
Change in fair value	—		(0.3)
Balance as of December 31 (1)	$	—	$	—

                    

(1) Fair value of warrant liability amounted to less than $0.1 million as of December 31, 2024 and 2023.