Schedule III - Supplementary Insurance Information

12 Months Ended

Dec. 31, 2021

SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]

Schedule III - Supplementary Insurance Information

For the years ended December 31, 2021, 2020 and 2019

(expressed in millions of U.S. dollars)


	As of and for the year ended December 31, 2021
	Deferred acquisition costs and value of business acquired, net		Loss and loss adjustment expense reserves		Unearned premium		Net premiums earned		Total realized and unrealized investment gains and net investment income		Loss and loss adjustment expenses incurred, net		Acquisition costs, net		Other underwriting expenses		Net premiums written
Reinsurance	$	147.5	$	3,435.7	$	687.5	$	1,210.9	$	0.3	$	999.6	$	302.7	$	105.5	$	1,124.9
Insurance & Services	71.2		511.1		498.4		522.8		(4.8)		320.6		149.7		29.2		652.8
Corporate & Eliminations(1)	0.1		894.6		12.5		(16.7)		317.0		6.3		(64.6)		24.1		(43.5)
	$	218.8	$	4,841.4	$	1,198.4	$	1,717.0	$	312.5	$	1,326.5	$	387.8	$	158.8	$	1,734.2

	As of and for the year ended December 31, 2020
	Deferred acquisition costs and value of business acquired, net		Loss and loss adjustment expense reserves		Unearned premium		Net premiums earned		Total realized and unrealized investment gains and net investment income		Loss and loss adjustment expenses incurred, net		Acquisition costs, net		Other underwriting expenses		Net premiums written
Reinsurance	$	69.5	$	1,084.1	$	261.9	$	575.6	$	—	$	459.5	$	160.4	$	24.0	$	497.3
Insurance & Services	(0.9)		6.3		19.5		7.1		—		5.9		1.4		0.2		16.0
Corporate & Eliminations(1)	—		219.7		3.4		28.1		278.9		(0.1)		25.3		5.9		28.9
	$	68.6	$	1,310.1	$	284.8	$	610.8	$	278.9	$	465.3	$	187.1	$	30.1	$	542.2

	As of and for the year ended December 31, 2019
	Deferred acquisition costs and value of business acquired, net		Loss and loss adjustment expense reserves		Unearned premium		Net premiums earned		Total realized and unrealized investment gains and net investment income		Loss and loss adjustment expenses incurred, net		Acquisition costs, net		Other underwriting expenses		Net premiums written
Reinsurance	$	91.9	$	872.2	$	331.9	$	606.8	$	—	$	404.3	$	204.2	$	24.9	$	563.9
Insurance & Services	0.3		3.0		1.7		4.7		—		3.9		0.4		0.2		5.5
Corporate & Eliminations(1)	—		236.5		2.6		88.6		282.5		(4.7)		91.0		9.1		87.6
	$	92.2	$	1,111.7	$	336.2	$	700.1	$	282.5	$	403.5	$	295.6	$	34.2	$	657.0

(1)Corporate & Eliminations includes the results of all runoff business and non-underwriting income and expenses.