CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Investments:
Fixed maturities available-for-sale, at fair value (amortized cost: $264.1 and $168.4 at September 30, 2024 and December 31, 2023, respectively)	$ 266.2	$ 165.9
Short-term investments (amortized cost: $8.6 and $0.9 at September 30, 2024 and December 31, 2023, respectively)	8.6	0.9
Other investments	4.4	4.4
Total investments	279.2	171.2
Cash and cash equivalents	674.8	678.7
Restricted cash	1.0	1.0
Premiums receivable, net of allowance of $7.2 and $4.0 at September 30, 2024 and December 31, 2023, respectively	308.7	247.1
Reinsurance recoverable and receivable, net of allowance of $1.8 at September 30, 2024 and December 31, 2023	160.6	125.3
Prepaid reinsurance premiums	37.8	48.2
Other assets	99.8	76.2
Total assets	1,561.9	1,347.7
Liabilities:
Loss and loss adjustment expense reserves	392.4	284.2
Unearned premiums	354.4	283.7
Long-term debt and warrants	300.9	299.0
Reinsurance premiums payable	46.2	54.4
Accounts payable and accrued expenses	64.0	65.6
Other liabilities	110.1	83.1
Total liabilities	1,268.0	1,070.0
Commitments and Contingencies (Note 11)
Redeemable convertible preferred stock, $0.0001 par value, 100.0 shares authorized, 14.1 shares issued and outstanding at September 30, 2024 and December 31, 2023 (redemption value of $126.5)	112.0	112.0
Stockholders’ equity:
Additional paid-in capital	1,883.8	1,883.4
Accumulated other comprehensive income (loss)	2.1	(2.5)
Accumulated loss	(1,704.0)	(1,715.2)
Total stockholders’ equity	181.9	165.7
Total liabilities, redeemable convertible preferred stock and stockholders’ equity	1,561.9	1,347.7
Class A Shares
Stockholders’ equity:
Common stock, value	0.0	0.0
Class B Shares
Stockholders’ equity:
Common stock, value	$ 0.0	$ 0.0