Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2025

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, 2025 and 2024 ($ in millions):

	December 31, 2025
	Level 1		Level 2		Level 3		Total
Financial Assets:
Corporate debt securities	$	—	$	501.2	$	—	$	501.2
U.S. Government obligations	—		140.1		—		140.1
Asset-backed securities	—		45.5		—		45.5
Non U.S. government obligations	—		22.0		—		22.0
Fixed maturities	—		708.8		—		708.8
Short term investments	—		14.1		—		14.1
Total	$	—	$	722.9	$	—	$	722.9
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, 2025.

	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.