Note 4 - Loans Restructured as TDRs, Excluding Loans Acquired, Segregated by Class of Loans (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Consumer Portfolio Segment [Member] \| Other Consumer [Member] \| Extended Maturity [Member]
Modification	$ 3		$ 3
Consumer Portfolio Segment [Member] \| Other Consumer [Member]
Financing Receivable, Modifications, Number of Contracts	1		1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 3		$ 3
Balance	3		3
Consumer Portfolio Segment [Member] \| Extended Maturity [Member]
Modification	$ 3		$ 3
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts	1		1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 3		$ 3
Balance	3		3
Commercial Real Estate Portfolio Segment [Member] \| Single Family Residential Loans [Member] \| Extended Maturity [Member]
Modification	61	$ 361	239	$ 701
Commercial Real Estate Portfolio Segment [Member] \| Single Family Residential Loans [Member] \| Contractual Interest Rate Reduction [Member]
Modification	$ 554		$ 554
Commercial Real Estate Portfolio Segment [Member] \| Single Family Residential Loans [Member]
Financing Receivable, Modifications, Number of Contracts	7	4	9	6
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 618	$ 361	$ 796	$ 709
Balance	615	361	793	701
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Loans [Member] \| Extended Maturity [Member]
Modification		$ 19	8,567	$ 19
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Loans [Member] \| Contractual Interest Rate Reduction [Member]
Modification	$ 364		$ 364
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Loans [Member]
Financing Receivable, Modifications, Number of Contracts	1	1	25	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 348	$ 19	$ 8,962	$ 19
Balance	364	19	8,931	19
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member]
Modification	61	$ 380	8,806	$ 720
Commercial Real Estate Portfolio Segment [Member] \| Contractual Interest Rate Reduction [Member]
Modification	$ 918		$ 918
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts	8	5	34	7
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 966	$ 380	$ 9,758	$ 728
Balance	979	$ 380	9,724	720
Commercial Portfolio Segment [Member] \| Extended Maturity [Member]
Modification	$ 399		$ 572
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts	9		11
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 426		$ 600
Balance	399		572
Extended Maturity [Member]
Modification	463		9,381	$ 720
Contractual Interest Rate Reduction [Member]
Modification	$ 918		$ 918
Financing Receivable, Modifications, Number of Contracts	18		46	7
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,395		$ 10,361	$ 728
Balance	$ 1,381		$ 10,299	$ 720

Financial impact on date of restructure.

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

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+ References

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+ References

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