Net realized and unrealized gains (Tables)

6 Months Ended

Jun. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Gross realized investment and other gains

Realized and unrealized gains and losses are detailed as follows:

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2022	2021	2022	2021
	($000 omitted)
Realized gains	1,683	7,909	3,277	8,080
Realized losses	(3,671)	—	(3,839)	(2,469)
Net unrealized investment (losses) gains recognized on equity securities still held at end of period	(9,917)	3,745	(7,258)	9,318
	(11,905)	11,654	(7,820)	14,929

Investments in equity securities still held

Investment gains and losses recognized related to investments in equity securities are as follows:

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2022	2021	2022	2021
	($000 omitted)
Net investment (losses) gains recognized on equity securities during the period	(9,366)	3,780	(6,795)	9,361
Less: Net realized gains on equity securities sold during the period	551	35	463	43
Net unrealized investment (losses) gains recognized on equity securities still held at end of period	(9,917)	3,745	(7,258)	9,318

Proceeds from sale of investments in securities

The amortized costs and fair values of investments in debt securities are as follows:

	June 30, 2022		December 31, 2021
	Amortized costs	Fair values	Amortized costs	Fair values
	($000 omitted)
Municipal	32,555	32,525	34,739	36,323
Corporate	268,626	255,437	249,757	258,102
Foreign	311,894	295,134	287,240	288,883
U.S. Treasury Bonds	10,539	10,487	6,429	6,464
	623,614	593,583	578,165	589,772

Proceeds from sales of investments in securities are as follows: 

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2022	2021	2022	2021
	($000 omitted)
Proceeds from sales of debt securities	11,002	11,634	28,282	14,571
Proceeds from sales of equity securities	117	59	487	173
Total proceeds from sales of investments in securities	11,119	11,693	28,769	14,744