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Note 5 - Loans and Allowance for Loan Losses - Net (Charge-Offs)/Recoveries, Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Loans Receivable	$ (19,145)	$ (14,504)
Consumer Portfolio Segment [Member]
Loans Receivable	(4,412)	(3,747)
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans Receivable	(2,884)	(2,288)
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans Receivable	(1,528)	(1,459)
Commercial Real Estate Portfolio Segment [Member]
Loans Receivable	(6,999)	(7,166)
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans Receivable	100	(16)
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans Receivable	(1,045)	(706)
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Loans Receivable	(6,054)	(6,444)
Commercial Portfolio Segment [Member]
Loans Receivable	(7,734)	(3,591)
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans Receivable	(7,734)	(1,255)
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans Receivable		$ (2,336)

X

- Definition

Amount of net (charge-offs)/recoveries.

+ References

No definition available.

+ Details

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X

- Details

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- Details

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- Details

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