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Note 3 - Securities (Details) - Available for Sale Securities (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs	$ 205,224	$ 186,667
Gross Unrealized Gains	1,255	3,946
Gross Unrealized Losses	22,811	798
Available-for-sale Securities Fair Value	183,668	189,815
US Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs	169,818	128,805
Gross Unrealized Gains	199	1,381
Gross Unrealized Losses	22,163	622
Available-for-sale Securities Fair Value	147,854	129,564
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs	22,830	35,029
Gross Unrealized Gains	746	1,753
Gross Unrealized Losses	120	3
Available-for-sale Securities Fair Value	23,456	36,779
Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs	2,627	4,202
Gross Unrealized Gains	213	367
Available-for-sale Securities Fair Value	2,840	4,569
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs	7,804	14,207
Gross Unrealized Gains	97	368
Gross Unrealized Losses	506
Available-for-sale Securities Fair Value	7,395	14,575
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs	2,145	2,419
Gross Unrealized Gains		9
Gross Unrealized Losses	22	173
Available-for-sale Securities Fair Value	2,123	2,255
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Costs		2,005
Gross Unrealized Gains		68
Available-for-sale Securities Fair Value		$ 2,073

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 5

-Subparagraph (aa)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.2)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale 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 (b)

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

+ Details

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

X

- Definition

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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration