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Note C - Approximate Gross Unrealized Losses and Fair Value of Securities in a Loss Position (Details) - Equity Securities [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Equity securities - Available-for-sale	$ 5,595	$ 3,961
Equity securities – Available-for-sale	1,403	390
Totals	5,595	3,961
Totals	$ 1,403	$ 390

X

- Definition

Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale equity securities.

+ 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 (c)



-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

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Balance Type:	debit
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X

- Definition

This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 50



-Paragraph 6



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Trading Securities



-URI http://asc.fasb.org/extlink&oid=6526789



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 35



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 25



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Available-for-Sale Securities



-URI http://asc.fasb.org/extlink&oid=6505594



Reference 5: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 03



-Paragraph 1



-Subparagraph a, f, g



-Article 7

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X

- Definition

The increase (decrease), resulting in a loss, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

+ References

No definition available.

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