Reinsurance (Tables)

12 Months Ended

Dec. 31, 2024

Insurance [Abstract]

Schedule of Reinsurance Premiums

Premiums were as follows:

	Successor						Predecessor
	For the Year Ended			Period from			Period from			For the Year Ended
	December 31, 2024			November 16, 2023 through December 31, 2023			January 1, 2023 through November 15, 2023			December 31, 2022
(in millions)
Direct written premiums	$	1,740.6		$	186.0		$	1,907.9		$	2,682.8
Reinsurance ceded to other companies	(775.5)			(66.8)			(803.6)			(1,106.7)
Reinsurance assumed from other companies	5.2			5.1			40.4			165.4
Net written premiums	$	970.3		$	124.3		$	1,144.7		$	1,741.5
Direct earned premiums	$	1,843.3		$	252.3		$	1,906.5		$	2,757.8
Reinsurance ceded to other companies	(773.6)			(98.4)			(724.9)			(1,205.3)
Reinsurance assumed from other companies	20.1			8.4			44.3			187.9
Net earned premiums	$	1,089.8		$	162.3		$	1,225.9		$	1,740.4
Percentage of reinsurance assumed to net earned premiums	1.8		%	5.2		%	3.6		%	10.8		%