Net realized and unrealized (losses) gains | Investments in debt and equity securities. The total fair values of the Company's investments in debt and equity securities are as follows: March 31, 2021 December 31, 2020 ($000 omitted) Investments in: Debt securities 615,445 631,386 Equity securities 67,354 53,001 682,799 684,387 As of March 31, 2021 and December 31, 2020, the net unrealized investment gains relating to investments in equity securities held were $9.9 million and $4.4 million, respectively (refer to Note 5). The amortized costs and fair values of investments in debt securities are as follows: March 31, 2021 December 31, 2020 Amortized costs Fair values Amortized costs Fair values ($000 omitted) Municipal 42,015 44,089 45,138 47,603 Corporate 276,870 289,159 285,962 305,450 Foreign 269,792 275,585 261,748 271,711 U.S. Treasury Bonds 6,567 6,612 6,564 6,622 595,244 615,445 599,412 631,386 Foreign debt securities consist of Canadian government 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: March 31, 2021 December 31, 2020 Gains Losses Gains Losses ($000 omitted) Municipal 2,077 3 2,465 — Corporate 13,124 835 19,594 106 Foreign 6,572 779 10,024 61 U.S. Treasury Bonds 70 25 82 24 21,843 1,642 32,165 191 Debt securities as of March 31, 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 58,344 59,145 After one year through five years 311,487 321,937 After five years through ten years 194,553 201,439 After ten years 30,860 32,924 595,244 615,445 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 March 31, 2021, were: Less than 12 months More than 12 months Total Losses Fair values Losses Fair values Losses Fair values ($000 omitted) Municipal 3 130 — — 3 130 Corporate 835 27,208 — — 835 27,208 Foreign 756 65,568 23 254 779 65,822 U.S. Treasury Bonds 1 109 24 1,022 25 1,131 1,595 93,015 47 1,276 1,642 94,291 The number of specific debt investment holdings held in an unrealized loss position as of March 31, 2021 was 47. Of these securities, 3 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, and no significant credit risk is deemed to exist, these investments are not considered as other-than-temporarily 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 (losses) gains. Realized and unrealized gains and losses are detailed as follows: Three Months Ended 2021 2020 ($000 omitted) Realized gains 170 153 Realized losses (2,469) (690) Net unrealized investment (losses) gains recognized on equity securities still held at end of period 5,573 (10,554) 3,274 (11,091) Net realized losses for the first quarter 2021 included a $2.5 million loss related to a disposal of an equity method investment. Investment gains and losses recognized related to investments in equity securities are as follows: Three Months Ended 2021 2020 ($000 omitted) Net investment gains (losses) recognized on equity securities during the period 5,582 (11,061) Less: Net realized gains (losses) on equity securities sold during the period 9 (507) Net unrealized investment gains (losses) recognized on equity securities still held at end of period 5,573 (10,554) Proceeds from sales of investments in securities are as follows: Three Months Ended 2021 2020 ($000 omitted) Proceeds from sales of debt securities 115 11,503 Proceeds from sales of equity securities 2,936 293 Total proceeds from sales of investments in securities 3,051 11,796 |