Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Assets
Fixed maturity investments, trading, at fair value (Amortized cost 2020: $1,877.7; 2019: $1,656.6)	$ 1,904.7	$ 1,681.0
Short-term investments, at fair value (Amortized cost 2020: $1,044.5; 2019: $1,090.8)	1,038.8	1,085.2
Equity securities, trading, at fair value (Cost 2020: $178.1; 2019: $379.2)	149.9	405.2
Other long-term investments, at fair value (Cost 2020: $324.7; 2019: $315.4)	368.1	346.8
Cash	186.7	136.3
Restricted cash	18.0	14.3
Total investments and cash	3,666.2	3,668.8
Accrued investment income	11.0	11.2
Insurance and reinsurance premiums receivable	871.7	730.1
Reinsurance recoverable on unpaid losses	442.2	410.3
Reinsurance recoverable on paid losses	106.1	73.9
Funds held by ceding companies	254.7	293.9
Ceded unearned insurance and reinsurance premiums	201.9	162.0
Deferred acquisition costs	159.1	148.2
Deferred tax asset	179.7	166.7
Accounts receivable on unsettled investment sales	34.4	6.7
Goodwill	400.8	400.8
Intangible assets	171.9	179.8
Other assets	153.8	161.4
Assets held for sale	10.5	0.0
Total assets	6,664.0	6,413.8
Liabilities
Loss and loss adjustment expense reserves	2,515.1	2,331.5
Unearned insurance and reinsurance premiums	874.5	708.0
Ceded reinsurance payable	314.9	244.7
Funds held under reinsurance treaties	145.3	169.1
Deferred tax liability	207.9	205.9
Debt	684.9	685.2
Accounts payable on unsettled investment purchases	11.3	2.3
Other liabilities	181.7	201.3
Total liabilities	4,935.6	4,548.0
Commitments and contingencies (see Note 19)
Mezzanine equity
Series B preference shares	206.2	223.0
Common shareholders' equity
Common shares (shares issued and outstanding, 2020 & 2019: 115,299,341)	1.2	1.2
Additional paid-in surplus	1,102.4	1,098.2
Retained earnings	660.0	778.5
Accumulated other comprehensive (loss)	(243.9)	(237.5)
Total common shareholders' equity	1,519.7	1,640.4
Non-controlling interests	2.5	2.4
Total equity	1,522.2	1,642.8
Total liabilities, mezzanine equity, and equity	$ 6,664.0	$ 6,413.8