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Note 5 - Credit Quality - Aging of Past Due Loans by Loan Class (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Past due	$ 27,739	$ 21,478
Current loans	1,789,445	1,831,470
Non-covered	1,789,236	1,795,954
Covered	27,948	56,994
Total loans	1,817,184	1,852,948
Non-covered Loans [Member]
Past due	27,094	20,543
Current loans	1,762,142	1,775,411
Covered Loans [Member]
Past due	645	935
Current loans	27,303	56,059
Financing Receivables, 30 to 59 Days Past Due [Member]
Past due	12,110	9,355
Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	11,638	8,699
Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	472	656
Financing Receivables, 60 to 89 Days Past Due [Member]
Past due	3,882	3,990
Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	3,882	3,844
Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due		146
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past due	11,747	8,133
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	11,574	8,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	173	133
Commercial Portfolio Segment [Member]
Non-covered	1,068,394	1,062,751
Covered	332	14,369
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member]
Non-covered	60,017	56,948
Covered	39	4,570
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Non-covered Loans [Member]
Past due	385	55
Current loans	59,632	56,893
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Covered Loans [Member]
Past due		466
Current loans	39	4,104
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	20	33
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due		434
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	365	5
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due		17
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due		32
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Non-covered	92,188	92,204
Covered		895
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Non-covered Loans [Member]
Past due	414	353
Current loans	91,774	91,851
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Covered Loans [Member]
Past due
Current loans		895
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	232	174
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	40	30
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	142	149
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Multi-family Residential [Member]
Non-covered	125,202	134,228
Covered		8
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Non-covered Loans [Member]
Past due	729	444
Current loans	124,473	133,784
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Covered Loans [Member]
Past due
Current loans		8
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	544	163
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	185	281
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member]
Non-covered	141,670	142,965
Covered	284	962
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Non-covered Loans [Member]
Past due	856	2,296
Current loans	140,814	140,669
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Covered Loans [Member]
Past due		24
Current loans	284	938
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	223	1,302
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due		24
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	302	159
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	331	835
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member]
Non-covered	616,633	598,674
Covered	9	7,512
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Non-covered Loans [Member]
Past due	4,352	3,736
Current loans	612,281	594,938
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Covered Loans [Member]
Past due		32
Current loans	9	7,480
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	2,433	1,235
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due		32
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	383	332
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	1,536	2,169
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Agricultural [Member]
Non-covered	7,035	6,003
Covered		25
Commercial Portfolio Segment [Member] | Agricultural [Member] | Non-covered Loans [Member]
Past due	123	5
Current loans	6,912	5,998
Commercial Portfolio Segment [Member] | Agricultural [Member] | Covered Loans [Member]
Past due
Current loans		25
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	123
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due		5
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Farmland [Member]
Non-covered	25,649	31,729
Covered		397
Commercial Portfolio Segment [Member] | Farmland [Member] | Non-covered Loans [Member]
Past due	805	1,132
Current loans	24,844	30,597
Commercial Portfolio Segment [Member] | Farmland [Member] | Covered Loans [Member]
Past due
Current loans		397
Commercial Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	113	224
Commercial Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due		343
Commercial Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Commercial Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	692	565
Commercial Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Consumer Real Estate Portfolio Segment [Member]
Non-covered	645,069	651,787
Covered	27,616	42,546
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member]
Non-covered	103,205	106,361
Covered	23,720	35,817
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Non-covered Loans [Member]
Past due	909	872
Current loans	102,296	105,489
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Covered Loans [Member]
Past due	575	316
Current loans	23,145	35,501
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	226	78
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	402	108
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	198	136
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due		146
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	485	658
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	173	62
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member]
Non-covered	502,686	500,891
Covered	3,896	6,729
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Non-covered Loans [Member]
Past due	17,563	10,496
Current loans	485,123	490,395
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Covered Loans [Member]
Past due	70	97
Current loans	3,826	6,632
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	6,959	4,777
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	70	58
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	2,418	2,408
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	8,186	3,311
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due		39
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member]
Non-covered	39,178	44,535
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Non-covered Loans [Member]
Past due	405	678
Current loans	38,773	43,857
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	326	342
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	79	336
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due
Consumer and Other Portfolio Segment [Member]
Non-covered	75,773	81,416
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member]
Non-covered	70,772	77,445
Covered		79
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Non-covered Loans [Member]
Past due	553	476
Current loans	70,219	76,969
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Covered Loans [Member]
Past due
Current loans		79
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	439	371
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	97	90
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	17	15
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due
Consumer and Other Portfolio Segment [Member] | Other Loan [Member]
Non-covered	5,001	3,971
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Non-covered Loans [Member]
Past due
Current loans	5,001	3,971
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due

X

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans and leases covered under loss sharing agreements.

+ References

No definition available.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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