Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities [Line Items]
Gross realized gains	$ 83	$ 181	$ 867	$ 1,188
Gross realized losses		(1)	(67)	(101)
Net gains	83	180	800	1,087
Equity Securities [Member]
Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities [Line Items]
Gross realized gains	83	181	713	1,051
Gross realized losses			(23)	(6)
Net gains	$ 83	181	690	1,045
Debt Securities [Member]
Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities [Line Items]
Gross realized gains			154	137
Gross realized losses		(1)	(44)	(95)
Net gains		$ (1)	$ 110	$ 42

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- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and 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 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

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