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Note 4 - Loans and Allowance for Loan Losses - TDRs Pre-modification and Post-modification (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Performing Financial Instruments [Member]
TDR’s Performing to Modified Terms Pre- Modification Recorded Investment	$ 819
TDR’s Performing to Modified Terms Post- Modification Recorded Investment	819
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member]
TDR’s Performing to Modified Terms Pre- Modification Recorded Investment	238
TDR’s Performing to Modified Terms Post- Modification Recorded Investment	238
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member]
TDR’s Performing to Modified Terms Pre- Modification Recorded Investment	581
TDR’s Performing to Modified Terms Post- Modification Recorded Investment	581
Nonperforming Financial Instruments [Member]
TDR’s Performing to Modified Terms Pre- Modification Recorded Investment
TDR’s Performing to Modified Terms Post- Modification Recorded Investment
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Only Payments [Member]
TDR’s Performing to Modified Terms Pre- Modification Recorded Investment
TDR’s Performing to Modified Terms Post- Modification Recorded Investment
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member]
TDR’s Performing to Modified Terms Pre- Modification Recorded Investment
TDR’s Performing to Modified Terms Post- Modification Recorded Investment

X

- Definition

Post-modification amount of investment in financing receivables 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=84173941&loc=SL6953676-111524

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- Definition

Pre-modification amount of investment in financing receivables 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=84173941&loc=SL6953676-111524

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- Details

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