Investment income (Tables)

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Gross Realized Investment and Other Gains and Losses

Gross realized investment and other gains and losses follows:

	For the Three Months Ended   June 30,				For the Six Months Ended   June 30,
	2015		2014		2015		2014
	($000 omitted)
Realized gains	674		323		2,228		707
Realized losses	(285	)	(987	)	(688	)	(1,231	)
	389		(664	)	1,540		(524	)

Proceeds from Sale of Investments Available-for-Sale

Proceeds from the sale of investments available-for-sale follows:

	For the Three Months Ended   June 30,		For the Six Months Ended   June 30,
	2015	2014	2015	2014
	($000 omitted)
Proceeds from sale of investments available-for-sale	20,604	3,299	44,505	14,475