CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Investments
Fixed maturities available-for-sale, at fair value (amortized cost: $714.5 million and $696.8 million as of March 31, 2022 and December 31, 2021)	$ 694.7	$ 691.4
Short-term investments (cost: $83.3 million and $110.4 million as of March 31, 2022 and December 31, 2021)	83.2	110.4
Total investments	777.9	801.8
Cash, cash equivalents and restricted cash	235.0	270.6
Premium receivable, net of allowance for credit losses of $1.9 million and $1.6 million as of March 31, 2022 and December 31, 2021	135.6	127.0
Reinsurance recoverable	112.5	89.8
Prepaid reinsurance premium	156.7	149.6
Deferred acquisition costs	6.7	6.2
Property and equipment, net	13.0	11.7
Intangible assets	0.6	0.6
Other assets	57.4	53.2
Total assets	1,495.4	1,510.5
Liabilities and Stockholders' Equity
Unpaid loss and loss adjustment expense	107.6	97.9
Unearned premium	222.4	207.7
Trade payables	2.6	1.0
Funds held for reinsurance treaties	108.2	103.1
Deferred ceding commission	38.8	36.5
Ceded premium payable	34.8	18.7
Total other liabilities and accrued expenses	68.3	57.4
Total liabilities	582.7	522.3
Commitments and contingencies (Note 15)
Stockholders' equity
Common stock, $0.00001 par value, 200,000,000 shares authorized; 61,758,739 and 61,660,996 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	0.0	0.0
Additional paid-in capital	1,568.2	1,553.5
Accumulated deficit	(636.7)	(561.9)
Accumulated other comprehensive loss	(18.8)	(3.4)
Total stockholders' equity	912.7	988.2
Total liabilities and stockholders' equity	$ 1,495.4	$ 1,510.5