CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Investments:
Fixed maturities available-for-sale, at fair value (amortized cost: $210.6 and $168.4 at March 31, 2024 and December 31, 2023, respectively)	$ 207.3	$ 165.9
Short-term investments (amortized cost: $8.7 and $0.9 at March 31, 2024 and December 31, 2023, respectively)	8.7	0.9
Other investments	4.4	4.4
Total investments	220.4	171.2
Cash and cash equivalents	640.5	678.7
Restricted cash	1.0	1.0
Premiums receivable, net of allowance of $5.2 and $4.0 at March 31, 2024 and December 31, 2023, respectively	292.0	247.1
Reinsurance recoverable and receivable, net of allowance of $1.8 at March 31, 2024 and December 31, 2023	147.1	125.3
Prepaid reinsurance premiums	50.2	48.2
Other assets	81.1	76.2
Total assets	1,432.3	1,347.7
Liabilities:
Loss and loss adjustment expense reserves	322.0	284.2
Unearned premiums	339.4	283.7
Long-term debt and warrants	299.3	299.0
Reinsurance premiums payable	54.1	54.4
Accounts payable and accrued expenses	40.9	65.6
Other liabilities	98.9	83.1
Total liabilities	1,154.6	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 March 31, 2024 and December 31, 2023 (redemption value of $126.5)	112.0	112.0
Stockholders’ equity:
Additional paid-in capital	1,890.4	1,883.4
Accumulated other comprehensive loss	(3.3)	(2.5)
Accumulated loss	(1,721.4)	(1,715.2)
Total stockholders’ equity	165.7	165.7
Total liabilities, redeemable convertible preferred stock and stockholders’ equity	1,432.3	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