Investments in debt and equity securities available-for-sale | Investments in debt and equity securities available-for-sale. The amortized costs and fair values follow: June 30, 2015 December 31, 2014 Amortized costs Fair values Amortized costs Fair values ($000 omitted) Debt securities: Municipal 61,493 62,022 60,656 61,689 Corporate 289,187 297,040 296,578 308,691 Foreign 157,495 161,346 163,099 166,685 U.S. Treasury Bonds 13,804 14,111 14,337 14,802 Equity securities 29,347 32,264 22,710 28,236 551,326 566,783 557,380 580,103 Foreign debt securities consist primarily of Canadian government and corporate bonds, United Kingdom treasury bonds, and Mexican government bonds. Equity securities consist of common stocks and master limited partnerships. Gross unrealized gains and losses were: June 30, 2015 December 31, 2014 Gains Losses Gains Losses ($000 omitted) Debt securities: Municipal 834 305 1,125 92 Corporate 10,158 2,305 12,559 446 Foreign 4,111 260 3,690 104 U.S. Treasury Bonds 313 6 492 27 Equity securities 3,878 961 5,982 456 19,294 3,837 23,848 1,125 Debt securities as of June 30, 2015 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 44,224 44,589 After one year through five years 226,379 232,501 After five years through ten years 213,073 218,150 After ten years 38,303 39,279 521,979 534,519 Gross unrealized losses on investments 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 June 30, 2015 , were: Less than 12 months More than 12 months Total Losses Fair values Losses Fair values Losses Fair values ($000 omitted) Debt securities: Municipal 247 12,126 58 11,430 305 23,556 Corporate 1,472 22,688 833 31,840 2,305 54,528 Foreign 106 4,670 154 4,826 260 9,496 U.S. Treasury Bonds 4 1,196 2 3,597 6 4,793 Equity securities 961 11,637 — — 961 11,637 2,790 52,317 1,047 51,693 3,837 104,010 The number of investments in an unrealized loss position as of June 30, 2015 was 128 , 32 of which 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 other-than-temporarily impaired. Gross unrealized losses on investments 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, 2014 , were: Less than 12 months More than 12 months Total Losses Fair values Losses Fair values Losses Fair values ($000 omitted) Debt securities: Municipal 1 2,673 91 12,076 92 14,749 Corporate 107 7,167 339 26,545 446 33,712 Foreign 11 34,236 93 6,446 104 40,682 U.S. Treasury Bonds — — 27 3,694 27 3,694 Equity securities 456 6,540 — — 456 6,540 575 50,616 550 48,761 1,125 99,377 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. Equity securities consist of common stocks and master limited partnerships. |