Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Assets
Fixed maturity investments, trading, at fair value (Amortized cost 2020: $1,705.0; 2019: $1,656.6)	$ 1,732.1	$ 1,681.0
Short-term investments, at fair value (Amortized cost 2020: $1,032.7; 2019: $1,090.8)	1,041.8	1,085.2
Equity securities, trading, at fair value (Cost 2020: $409.5; 2019: $379.2)	366.6	405.2
Other long-term investments, at fair value (Cost 2020: $323.2; 2019: $315.4)	355.5	346.8
Cash	140.5	136.3
Restricted cash	15.3	14.3
Total investments and cash	3,651.8	3,668.8
Accrued investment income	10.9	11.2
Insurance and reinsurance premiums receivable	964.2	730.1
Reinsurance recoverable on unpaid losses	444.2	410.3
Reinsurance recoverable on paid losses	85.7	73.9
Funds held by ceding companies	260.5	293.9
Ceded unearned insurance and reinsurance premiums	245.5	162.0
Deferred acquisition costs	168.2	148.2
Deferred tax asset	171.0	166.7
Accounts receivable on unsettled investment sales	35.2	6.7
Goodwill	400.8	400.8
Intangible assets	175.9	179.8
Other assets	143.7	161.4
Total assets	6,757.6	6,413.8
Liabilities
Loss and loss adjustment expense reserves	2,519.6	2,331.5
Unearned insurance and reinsurance premiums	979.2	708.0
Ceded reinsurance payable	332.8	244.7
Funds held under reinsurance treaties	148.0	169.1
Deferred tax liability	183.5	205.9
Debt	664.8	685.2
Accounts payable on unsettled investment purchases	53.0	2.3
Other liabilities	200.4	201.3
Total liabilities	5,081.3	4,548.0
Commitments and contingencies (see Note 19)
Mezzanine equity
Series B preference shares	199.6	223.0
Common shareholders' equity
Common shares (shares issued and outstanding, 2020 & 2019: 115,299,341)	1.2	1.2
Additional paid-in surplus	1,100.1	1,098.2
Retained earnings	673.7	778.5
Accumulated other comprehensive (loss)	(300.9)	(237.5)
Total common shareholders' equity	1,474.1	1,640.4
Non-controlling interests	2.6	2.4
Total equity	1,476.7	1,642.8
Total liabilities, mezzanine equity, and equity	$ 6,757.6	$ 6,413.8