Investment income (Tables)

9 Months Ended

Sep. 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   September 30,				For the Nine Months Ended   September 30,
	2015		2014		2015		2014
	($000 omitted)
Realized gains	968		1,722		3,195		2,429
Realized losses	(912	)	(55	)	(1,600	)	(1,286	)
	56		1,667		1,595		1,143

Proceeds from Sale of Investments Available-for-Sale

The amortized costs and fair values follow:

	September 30, 2015		December 31, 2014
	Amortized costs	Fair values	Amortized costs	Fair values
	($000 omitted)
Debt securities:
Municipal	65,789	67,106	60,656	61,689
Corporate	280,249	289,536	296,578	308,691
Foreign	149,303	153,334	163,099	166,685
U.S. Treasury Bonds	13,804	14,061	14,337	14,802
Equity securities	29,805	29,455	22,710	28,236
	538,950	553,492	557,380	580,103

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

	For the Three Months Ended   September 30,		For the Nine Months Ended   September 30,
	2015	2014	2015	2014
	($000 omitted)
Proceeds from sale of investments available-for-sale	15,809	31,302	60,314	45,777