Net realized and unrealized gains (losses) (Tables)

9 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Gross realized investment and other gains and losses

Realized and unrealized gains and losses are detailed as follows:

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2021	2020	2021	2020
	($000 omitted)
Realized gains	2,615	241	10,695	1,749
Realized losses	(47)	(209)	(2,516)	(1,556)
Net unrealized investment gains (losses) recognized on equity securities still held at end of period	319	(39)	9,637	(6,228)
	2,887	(7)	17,816	(6,035)

Investments in equity securities still held

The total fair values of the Company's investments in debt and equity securities are as follows:

	September 30, 2021	December 31, 2020
	($000 omitted)
Investments in:
Debt securities	617,278	631,386
Equity securities	83,441	53,001
	700,719	684,387

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

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2021	2020	2021	2020
	($000 omitted)
Net investment gains (losses) recognized on equity securities during the period	345	(41)	9,706	(7,136)
Less: Net realized gains (losses) on equity securities sold during the period	26	(2)	69	(908)
Net unrealized investment gains (losses) recognized on equity securities still held at end of period	319	(39)	9,637	(6,228)

Proceeds from sale of investments in securities

The total fair values of the Company's investments in debt and equity securities are as follows:

	September 30, 2021	December 31, 2020
	($000 omitted)
Investments in:
Debt securities	617,278	631,386
Equity securities	83,441	53,001
	700,719	684,387

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

	September 30, 2021		December 31, 2020
	Amortized costs	Fair values	Amortized costs	Fair values
	($000 omitted)
Municipal	38,088	39,885	45,138	47,603
Corporate	280,090	292,119	285,962	305,450
Foreign	274,938	278,808	261,748	271,711
U.S. Treasury Bonds	6,426	6,466	6,564	6,622
	599,542	617,278	599,412	631,386

Proceeds from sales of investments in securities are as follows: 

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2021	2020	2021	2020
	($000 omitted)
Proceeds from sales of debt securities	4,854	10,218	19,425	24,990
Proceeds from sales of equity securities	128	56	301	782
Total proceeds from sales of investments in securities	4,982	10,274	19,726	25,772