Net realized and unrealized gains (Tables)

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of gross realized and unrealized gains and losses

Realized and unrealized gains and losses are detailed as follows:

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2023	2022	2023	2022
	($000 omitted)
Realized gains	278	1,683	339	3,277
Realized losses	(3,430)	(3,671)	(4,177)	(3,839)
Net unrealized investment gains (losses) recognized on equity securities still held at end of period	2,047	(9,917)	955	(7,258)
	(1,105)	(11,905)	(2,883)	(7,820)

Schedule of investment gains and losses recognized related to investments in equity securities

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

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2023	2022	2023	2022
	($000 omitted)
Net investment gains (losses) recognized on equity securities during the period	1,988	(9,366)	232	(6,795)
Less: Net realized (losses) gains on equity securities sold during the period	(59)	551	(723)	463
Net unrealized investment gains (losses) recognized on equity securities still held at end of period	2,047	(9,917)	955	(7,258)

Schedule of proceeds from sale of investments in securities

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

	June 30, 2023		December 31, 2022
	Amortized costs	Fair values	Amortized costs	Fair values
	($000 omitted)
Municipal	26,273	25,949	30,104	29,835
Corporate	249,888	233,200	272,362	254,316
Foreign	326,937	311,354	315,184	299,137
U.S. Treasury Bonds	32,149	31,424	29,078	28,646
	635,247	601,927	646,728	611,934

Proceeds from sales of investments in securities are as follows: 

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2023	2022	2023	2022
	($000 omitted)
Proceeds from sales of debt securities	7,433	11,002	14,879	28,282
Proceeds from sales of equity securities	5,283	117	24,609	487
Total proceeds from sales of investments in securities	12,716	11,119	39,488	28,769