CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Investments
Fixed maturities available-for-sale, at fair value (amortized cost: $6.4 million and $6.4 million as of March 31, 2021 and December 31, 2020)	$ 6.5	$ 6.6
Total investments	6.5	6.6
Cash, cash equivalents and restricted cash	1,174.7	571.4
Premium receivable, net of allowance for doubtful accounts of $0.5 million and $0.5 million as of March 31, 2021 and December 31, 2020	98.5	86.1
Reinsurance recoverable	65.8	49.0
Prepaid reinsurance premium	104.4	91.3
Deferred acquisition costs	4.1	3.5
Property and equipment, net	6.9	5.7
Intangible assets	0.6	0.6
Other assets	16.0	14.5
Total assets	1,477.5	828.7
Liabilities and Stockholders' Equity
Unpaid loss and loss adjustment expense	62.2	46.3
Unearned premium	143.5	123.8
Trade payables	1.0	1.4
Funds held for reinsurance treaties	66.0	62.1
Deferred ceding commission	26.0	22.4
Ceded premium payable	15.3	13.0
Other liabilities and accrued expenses	19.8	18.7
Total liabilities	333.8	287.7
Commitments and contingencies (Note 14)
Stockholders' equity:
Common stock, $0.00001 par value, 200,000,000 shares authorized; 61,370,103 and 56,774,294 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively	0.0	0.0
Additional paid-in capital	1,512.3	859.8
Accumulated deficit	(369.6)	(320.6)
Accumulated other comprehensive income	1.0	1.8
Total stockholders' equity	1,143.7	541.0
Total liabilities and stockholders' equity	$ 1,477.5	$ 828.7