Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities [Line Items]
Gross realized gains	$ 514	$ 653
Gross realized losses	(11)	(31)
Net gains	503	622
Equity Securities [Member]
Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities [Line Items]
Gross realized gains	426	590
Net gains	426	590
Debt Securities [Member]
Note 7 - Investment Securities (Details) - Gross Realized Losses on Equity and Debt Securities [Line Items]
Gross realized gains	88	63
Gross realized losses	(11)	(31)
Net gains	$ 77	$ 32

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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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+ References

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