Net realized and unrealized gains (losses) | Investments in debt and equity 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 As of September 30, 2021 and December 31, 2020, the net unrealized investment gains relating to investments in equity securitie s held were $13.9 million and $4.4 million, respectively (refer to Note 5). 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 Foreign debt securities consist of Canadian government, provincial and corporate bonds, United Kingdom treasury and corporate bonds, and Mexican government bonds. Gross unrealized gains and losses on investments in debt securities are as follows: September 30, 2021 December 31, 2020 Gains Losses Gains Losses ($000 omitted) Municipal 1,798 1 2,465 — Corporate 12,630 601 19,594 106 Foreign 4,784 914 10,024 61 U.S. Treasury Bonds 60 20 82 24 19,272 1,536 32,165 191 Debt securities as of September 30, 2021 mature, according to their contractual terms, as follows (actual maturities may differ due to call or prepayment rights): Amortized costs Fair values ($000 omitted) In one year or less 64,866 65,678 After one year through five years 363,235 371,531 After five years through ten years 140,784 146,686 After ten years 30,657 33,383 599,542 617,278 Gross unrealized losses on investments in debt securities and the fair values of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2021, were: Less than 12 months More than 12 months Total Losses Fair values Losses Fair values Losses Fair values ($000 omitted) Municipal 1 130 — — 1 130 Corporate 395 40,219 206 4,933 601 45,152 Foreign 888 83,259 26 246 914 83,505 U.S. Treasury Bonds 3 482 17 508 20 990 1,287 124,090 249 5,687 1,536 129,777 The number of specific debt investment holdings held in an unrealized loss position as of September 30, 2021 was 70. Of these securities, 7 were in unrealized loss positions for more than 12 months. Since the Company does not intend to sell and will more likely than not maintain each investment security until its maturity or anticipated recovery in value, and no significant credit risk is deemed to exist, these investments are not considered as credit-impaired. The Company believes its investment portfolio is diversified and expects no material loss to result from the failure to perform by issuers of the debt securities it holds. Investments made by the Company are not collateralized. Gross unrealized losses on investments in debt securities and the fair values of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at December 31, 2020, were: Less than 12 months More than 12 months Total Losses Fair values Losses Fair values Losses Fair values ($000 omitted) Municipal — — — — — — Corporate 106 13,518 — — 106 13,518 Foreign 40 2,912 21 254 61 3,166 U.S. Treasury Bonds — — 24 1,022 24 1,022 146 16,430 45 1,276 191 17,706 Net realized and unrealized gains (losses). Realized and unrealized gains and losses are detailed as follows: Three Months Ended Nine Months Ended 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) Realized gains and losses during the third quarter 2021 included a $2.5 million gain related to an acquisition contingent liability adjustment. Additionally, realized gains and losses for the first nine months of 2021 included $7.3 million of gains on sales of buildings and a $2.5 million loss related to a disposal of an equity method investment. Realized gains and losses for the first nine months of 2020 included $1.3 million of gains from settlements of equity investments with no previously readily determinable fair values (cost-basis investments) and $1.1 million of net realized losses from sale of investment securities. Investment gains and losses recognized related to investments in equity securities are as follows: Three Months Ended Nine Months Ended 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 sales of investments in securities are as follows: Three Months Ended Nine Months Ended 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 |