Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Assets
Fixed maturity investments, trading, at fair value (Amortized cost 2019: $1,774.2; 2018: $1,952.9)	$ 1,815.7	$ 1,949.2
Short-term investments, at fair value (Amortized cost 2019: $881.3; 2018: $716.1)	882.9	715.5
Equity securities, trading, at fair value (Cost 2019: $376.2; 2018: $409.4)	387.8	380.0
Other long-term investments, at fair value (Cost 2019: $349.9; 2018: $337.6)	379.9	365.0
Cash	116.8	119.4
Restricted cash	13.7	12.8
Total investments and cash	3,596.8	3,541.9
Accrued investment income	13.3	14.1
Insurance and reinsurance premiums receivable	861.3	630.6
Reinsurance recoverable on unpaid losses	357.4	350.2
Reinsurance recoverable on paid losses	69.8	55.0
Funds held by ceding companies	237.6	186.8
Ceded unearned insurance and reinsurance premiums	188.1	159.8
Deferred acquisition costs	158.8	141.6
Deferred tax asset	174.4	202.5
Accounts receivable on unsettled investment sales	2.0	5.0
Goodwill	400.6	400.6
Intangible assets	187.7	195.6
Other assets	171.4	124.0
Total assets	6,419.2	6,007.7
Liabilities
Loss and loss adjustment expense reserves	2,023.3	2,016.7
Unearned insurance and reinsurance premiums	879.5	647.2
Ceded reinsurance payable	256.9	206.9
Funds held under reinsurance treaties	126.6	110.6
Deferred tax liability	229.7	237.4
Debt	685.9	696.8
Accounts payable on unsettled investment purchases	2.6	3.2
Other liabilities	186.3	150.5
Total liabilities	4,390.8	4,069.3
Commitments and contingencies (see Note 18)
Mezzanine equity
Series B preference shares	241.3	232.2
Common shareholders' equity
Common shares (shares issued and outstanding, 2019: 115,296,918; 2018: 115,151,251)	1.2	1.2
Additional paid-in surplus	1,093.5	1,089.1
Retained earnings	918.5	816.6
Accumulated other comprehensive (loss)	(229.1)	(202.4)
Total common shareholders' equity	1,784.1	1,704.5
Non-controlling interests	3.0	1.7
Total equity	1,787.1	1,706.2
Total liabilities, mezzanine equity, and equity	$ 6,419.2	$ 6,007.7