Segment information

3 Months Ended

Mar. 31, 2020

The Company reports results under one segment, referred to as the “underwriting segment.” The underwriting segment captures the results of the Company’s underwriting lines of business, which are comprised of specialty products on a worldwide basis. Lines of business include: (i) casualty reinsurance; (ii) property catastrophe reinsurance; (iii) other specialty reinsurance; and (iv) insurance programs and coinsurance.

The accounting policies of the underwriting segment are the same as those used for the preparation of the Company’s consolidated financial statements.

The Company has a corporate function that includes certain general and administrative expenses related to corporate activities, interest expense (on its 6.5% senior notes due July 2, 2029), net foreign exchange gains (losses), income tax expense and items related to the Company’s preference shares.

The following table provides summary information regarding premiums written and earned by line of business and net premiums written by underwriting location:



	Three Months Ended March 31,
	2020		2019
	($ in thousands)
Gross premiums written:
Casualty reinsurance	$	83,818	$	75,601
Other specialty reinsurance	36,880		24,298
Property catastrophe reinsurance	9,832		5,992
Insurance programs and coinsurance	104,372		80,798
Total	$	234,902	$	186,689

Net premiums written:
Casualty reinsurance	$	83,667	$	75,065
Other specialty reinsurance	35,484		23,182
Property catastrophe reinsurance	9,832		5,982
Insurance programs and coinsurance	57,717		41,158
Total	$	186,700	$	145,387

Net premiums earned:
Casualty reinsurance	$	52,765	$	63,313
Other specialty reinsurance	35,364		44,561
Property catastrophe reinsurance	4,884		2,971
Insurance programs and coinsurance	47,026		35,249
Total	$	140,039	$	146,094

Net premiums written by underwriting location:
United States	$	36,303	$	18,402
Europe	21,203		23,258
Bermuda	129,194		103,727
Total	$	186,700	$	145,387