Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Assets
Fixed maturity investments, trading, at fair value (Amortized cost 2019: $1,814.8; 2018: $1,952.9)	$ 1,846.4	$ 1,949.2
Short-term investments, at fair value (Amortized cost 2019: $830.5; 2018: $716.1)	833.6	715.5
Equity securities, trading, at fair value (Cost 2019: $398.4; 2018: $409.4)	394.4	380.0
Other long-term investments, at fair value (Cost 2019: $351.7; 2018: $337.6)	389.7	365.0
Cash	116.0	119.4
Restricted cash	13.0	12.8
Total investments and cash	3,593.1	3,541.9
Accrued investment income	12.7	14.1
Insurance and reinsurance premiums receivable	818.7	630.6
Reinsurance recoverable on unpaid losses	349.3	350.2
Reinsurance recoverable on paid losses	50.5	55.0
Funds held by ceding companies	202.8	186.8
Ceded unearned insurance and reinsurance premiums	200.5	159.8
Deferred acquisition costs	152.6	141.6
Deferred tax asset	171.6	202.5
Accounts receivable on unsettled investment sales	1.7	5.0
Goodwill	400.7	400.6
Intangible assets	191.7	195.6
Other assets	161.1	124.0
Total assets	6,307.0	6,007.7
Liabilities
Loss and loss adjustment expense reserves	1,976.3	2,016.7
Unearned insurance and reinsurance premiums	860.5	647.2
Ceded reinsurance payable	231.3	206.9
Funds held under reinsurance treaties	123.4	110.6
Deferred tax liability	230.6	237.4
Debt	686.1	696.8
Accounts payable on unsettled investment purchases	9.9	3.2
Other liabilities	173.1	150.5
Total liabilities	4,291.2	4,069.3
Commitments and contingencies (see Note 18)
Mezzanine equity
Series B preference shares	240.6	232.2
Common shareholders' equity
Common shares (shares issued and outstanding, 2019:115,262,303; 2018: 115,151,251)	1.2	1.2
Additional paid-in surplus	1,090.2	1,089.1
Retained earnings	911.8	816.6
Accumulated other comprehensive (loss)	(230.2)	(202.4)
Total common shareholders' equity	1,773.0	1,704.5
Non-controlling interests	2.2	1.7
Total equity	1,775.2	1,706.2
Total liabilities, mezzanine equity, and equity	$ 6,307.0	$ 6,007.7