Note 9 - Reclassifications Out of Other Comprehensive Income (Details) - Items Not Reclassified in Their Entirety to Net Income (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Gain on Sale of Investment Securities (Member)
Available for sale securities
Realized gain on sale of securities held for sale during the period	$ 8	$ 116	$ 127
Income tax expense (Member)
Available for sale securities
Realized gain on sale of securities held for sale during the period	3	39	43
Affected Line Item - Net Income (Member)
Available for sale securities
Realized gain on sale of securities held for sale during the period	$ 5	$ 77	$ 84

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.

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

Name:	us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration