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Note 4 - Investment and Equity Securities - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Details) $ in Thousands | Dec. 31, 2018 USD ($)
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Due in one year or less, amortized costs | $ 8,547
Due in one year or less, fair value | 8,590
Due after one year through five years, amortized costs | 2,108
Due after one year through five years, fair value | 2,132
Due after five years through ten years, amortized costs | 13,173
Due after five years through ten years, fair value | 13,133
Due after ten years, amortized costs | 74,688
Due after ten years, fair value | 74,467
Amortized costs | 98,516
Fair Value | $ 98,322

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 + Details
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