Investment income (Tables)

3 Months Ended

Mar. 31, 2016

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   March 31,
	2016		2015
	($000 omitted)
Realized gains	3,937		1,554
Realized losses	(3,449	)	(403	)
	488		1,151

Proceeds from Sale of Investments Available-for-Sale

The amortized costs and fair values follow:

	March 31, 2016		December 31, 2015
	Amortized costs	Fair values	Amortized costs	Fair values
	($000 omitted)
Debt securities:
Municipal	69,999	72,397	70,300	72,008
Corporate	334,781	346,654	303,870	309,461
Foreign	156,875	161,484	149,914	153,221
U.S. Treasury Bonds	13,801	13,894	13,803	13,906
Equity securities	27,634	31,934	27,497	31,253
	603,090	626,363	565,384	579,849

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

	For the Three Months Ended   March 31,
	2016	2015
	($000 omitted)
Proceeds from sale of investments available-for-sale	11,327	23,901