Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Assets
Fixed maturity investments, trading, at fair value (Amortized cost 2020: $1,932.7; 2019: $1,656.6)	$ 1,958.9	$ 1,681.0
Short-term investments, at fair value (Amortized cost 2020: $1,145.4; 2019: $1,090.8)	1,132.6	1,085.2
Equity securities, trading, at fair value (Cost 2020: $170.0; 2019: $379.2)	158.7	405.2
Other long-term investments, at fair value (Cost 2020: $327.5; 2019: $315.4)	388.0	346.8
Cash	168.4	136.3
Restricted cash	15.8	14.3
Total investments and cash	3,822.4	3,668.8
Accrued investment income	8.9	11.2
Insurance and reinsurance premiums receivable	789.0	730.1
Reinsurance recoverable on unpaid losses	482.5	410.3
Reinsurance recoverable on paid losses	70.4	73.9
Funds held by ceding companies	244.1	293.9
Ceded unearned insurance and reinsurance premiums	172.5	162.0
Deferred acquisition costs	145.2	148.2
Deferred tax asset	158.4	166.7
Accounts receivable on unsettled investment sales	19.1	6.7
Goodwill	400.8	400.8
Intangible assets	168.0	179.8
Other assets	151.5	161.4
Total assets	6,632.8	6,413.8
Liabilities
Loss and loss adjustment expense reserves	2,672.9	2,331.5
Unearned insurance and reinsurance premiums	759.4	708.0
Ceded reinsurance payable	270.3	244.7
Funds held under reinsurance treaties	156.5	169.1
Deferred tax liability	213.6	205.9
Debt	695.8	685.2
Accounts payable on unsettled investment purchases	29.9	2.3
Other liabilities	175.9	201.3
Total liabilities	4,974.3	4,548.0
Commitments and contingencies (see Note 19)
Mezzanine equity
Series B preference shares	197.5	223.0
Common shareholders' equity
Common shares (shares issued and outstanding, 2020 & 2019: 115,299,341)	1.2	1.2
Additional paid-in surplus	1,099.9	1,098.2
Retained earnings	564.5	778.5
Accumulated other comprehensive (loss)	(206.4)	(237.5)
Total common shareholders' equity	1,459.2	1,640.4
Non-controlling interests	1.8	2.4
Total equity	1,461.0	1,642.8
Total liabilities, mezzanine equity, and equity	$ 6,632.8	$ 6,413.8