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Note 6 - Loans Acquired - Nonaccrual Acquired Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Loans in nonaccrual status	$ 45,642	$ 39,104
Acquired Loans [Member]
Loans in nonaccrual status	23,485	46,832
Consumer Portfolio Segment [Member]
Loans in nonaccrual status	4,775	2,166
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans in nonaccrual status	4,605	1,793
Consumer Portfolio Segment [Member] | Acquired Loans [Member]
Loans in nonaccrual status	334	456
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member]
Loans in nonaccrual status	334	456
Commercial Real Estate Portfolio Segment [Member]
Loans in nonaccrual status	31,727	27,935
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans in nonaccrual status	2,242	3,411
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans in nonaccrual status	13,431	12,139
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Loans in nonaccrual status	16,054	12,385
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member]
Loans in nonaccrual status	21,319	43,372
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member]
Loans in nonaccrual status	1,767	7,961
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member]
Loans in nonaccrual status	12,151	13,366
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Commercial Loans [Member]
Loans in nonaccrual status	7,401	22,045
Commercial Portfolio Segment [Member]
Loans in nonaccrual status	9,140	9,003
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans in nonaccrual status	6,980	7,765
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans in nonaccrual status	2,160	1,238
Commercial Portfolio Segment [Member] | Acquired Loans [Member]
Loans in nonaccrual status	1,832	3,004
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member]
Loans in nonaccrual status	1,748	2,806
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member]
Loans in nonaccrual status	$ 84	$ 198

X

- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

+ Details

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