CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Investments:
Fixed maturities available-for-sale, at fair value (cost: $2,283.6 and $2,521.5, respectively; allowance for expected credit losses: $1.0 and $0.2, respectively)	$ 2,368.2	$ 2,585.4
Equity securities, at fair value (cost: $56.7 and $11.7, respectively)	85.3	10.7
Other investments (cost: $425.9 and $311.0, respectively)	430.3	311.0
Short-term investments, at fair value (cost: $656.7 and $429.0, respectively)	657.1	429.5
Total investments	3,976.0	3,481.2
Cash, restricted cash and cash equivalents	558.0	791.6
Accrued investment income	19.8	20.4
Premiums receivable	191.7	230.7
Reinsurance recoverables	3,130.7	2,959.3
Other intangible assets, net of accumulated amortization	149.5	180.6
Current income taxes receivable, net	22.6	53.1
Deferred tax asset, net	65.9	39.1
Deferred acquisition costs, net	51.7	7.2
Ceded unearned premiums	384.8	356.0
Operating lease right-of-use assets	49.3	51.2
Other assets	171.0	189.1
Value of business acquired, net of accumulated amortization	45.6	143.6
Total assets	8,816.6	8,503.1
Liabilities and Stockholders' Equity
Reserves for losses and loss adjustment expenses	5,792.9	5,544.5
Unearned premiums	839.4	916.6
Accrued underwriting expenses and other liabilities	109.0	73.9
Ceded reinsurance payable, net	211.8	192.7
Funds held	44.5	57.3
Senior unsecured fixed rate notes	128.7	128.0
Junior subordinated debentures	242.7	241.2
Operating lease liabilities	50.5	51.4
Total liabilities	7,419.5	7,205.6
Commitments and contingencies (Note 12)
Stockholders' equity:
Series A Preferred stock and additional paid-in capital ($1.00 par; 10,000 and 30,000,000 shares authorized, respectively; 6,000 shares issued; liquidation preference $25,000)	137.1	137.1
Common stock ($0.01 and $1.00 par, respectively; 1,000 and 2,000,000,000 shares authorized, respectively; 13 and 1,056,638,730 shares issued, respectively)	0.0	1,056.6
Additional paid-in capital	1,292.4	51.1
Retained earnings (Accumulated deficit)	(101.0)	0.9
Accumulated other comprehensive income, net of taxes	68.6	51.8
Total stockholders' equity	1,397.1	1,297.5
Total liabilities and stockholders' equity	8,816.6	8,503.1
Mortgage Loans
Investments:
Loans	234.9	144.6
Private Loans
Investments:
Loans	$ 200.2	$ 0.0