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Investments In Securities (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) $ in Thousands | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
--- | --- | ---
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Fixed maturities, available-for-sale, amortized cost | $ 99,023 | $ 100,314
Government obligations |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Fixed maturities, available-for-sale, amortized cost |  | 1,043
Available-for-sale, at fair value, Gross Unrealized Gains |  | 0
Available-for-sale, at fair value, Gross Unrealized Losses |  | 1
Available-for-sale, at fair value, Estimated Fair Value |  | 1,042
General Obligations Of U.S. States, Territories And Political Subdivisions |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Fixed maturities, available-for-sale, amortized cost | 22,893 | 24,189
Available-for-sale, at fair value, Gross Unrealized Gains | 288 | 505
Available-for-sale, at fair value, Gross Unrealized Losses | 227 | 50
Available-for-sale, at fair value, Estimated Fair Value | 22,954 | 24,644
Special Revenue Obligations Of U.S. States, Territories And Political Subdivisions |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Fixed maturities, available-for-sale, amortized cost | 63,638 | 62,592
Available-for-sale, at fair value, Gross Unrealized Gains | 1,329 | 2,218
Available-for-sale, at fair value, Gross Unrealized Losses | 380 | 165
Available-for-sale, at fair value, Estimated Fair Value | $ 64,587 | $ 64,645
Number of Special Revenue Bonds | 60 | 60
Corporate Debt Securities |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Fixed maturities, available-for-sale, amortized cost | $ 12,492 | $ 12,490
Available-for-sale, at fair value, Gross Unrealized Gains | 417 | 527
Available-for-sale, at fair value, Gross Unrealized Losses | 61 | 7
Available-for-sale, at fair value, Estimated Fair Value | 12,848 | 13,010
Total Fixed Maturities |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |
Fixed maturities, available-for-sale, amortized cost | 99,023 | 100,314
Available-for-sale, at fair value, Gross Unrealized Gains | 2,034 | 3,250
Available-for-sale, at fair value, Gross Unrealized Losses | 668 | 223
Available-for-sale, at fair value, Estimated Fair Value | $ 100,389 | $ 103,341

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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