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Note 5 - Credit Quality - Aging of Past Due Loans by Loan Class (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Past due	$ 29,152	$ 33,453
Current loans	2,107,665	2,081,007
Non-covered	2,125,560	2,101,599
Loans held for investment, covered	11,257	12,861	[1]
Loans held for investment, net of unearned income (includes covered loans of $11,257 and $12,861, respectively)	2,136,817	2,114,460	[1]
Non-covered Loans [Member]
Past due	28,842	33,231
Current loans	2,096,718	2,068,368
Covered Loans [Member]
Past due	310	222
Current loans	10,947	12,639
Financial Asset, 30 to 59 Days Past Due [Member]
Past due	8,843	16,236
Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	8,760	16,092
Financial Asset, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	83	144
Financial Asset, 60 to 89 Days Past Due [Member]
Past due	5,673	6,104
Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	5,560	6,026
Financial Asset, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due	113	78
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	14,636	11,113
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	14,522	11,113
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	114	0
Commercial Portfolio Segment [Member]
Non-covered	1,288,209	1,238,814
Loans held for investment, covered	219	230
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member]
Non-covered	52,585	48,659
Loans held for investment, covered	27	28
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Non-covered Loans [Member]
Past due	520	339
Current loans	52,065	48,320
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Covered Loans [Member]
Past due	0	0
Current loans	27	28
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	0	63
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	82	65
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	438	211
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Non-covered	184,298	142,962
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Non-covered Loans [Member]
Past due	2,323	2,658
Current loans	181,975	140,304
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	411	1,913
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	1,525	238
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	387	507
Commercial Portfolio Segment [Member] | Multi-family Residential [Member]
Non-covered	105,768	121,840
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Non-covered Loans [Member]
Past due	2,500	1,519
Current loans	103,268	120,321
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	961	375
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	595	0
Commercial Portfolio Segment [Member] | Multi-family Residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	944	1,144
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member]
Non-covered	188,389	163,181
Loans held for investment, covered	191	199
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Non-covered Loans [Member]
Past due	4,405	1,682
Current loans	183,984	161,499
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Covered Loans [Member]
Past due	0	0
Current loans	191	199
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	976	754
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	1,114	267
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	2,315	661
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member]
Non-covered	723,100	727,261
Loans held for investment, covered	1	3
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Non-covered Loans [Member]
Past due	7,673	5,893
Current loans	715,427	721,368
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Covered Loans [Member]
Past due	0	0
Current loans	1	3
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	1,853	917
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	902	1,949
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	4,918	3,027
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Commercial Portfolio Segment [Member] | Agricultural [Member]
Non-covered	10,407	11,756
Commercial Portfolio Segment [Member] | Agricultural [Member] | Non-covered Loans [Member]
Past due	280	250
Current loans	10,127	11,506
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	222	86
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	13	164
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	45	0
Commercial Portfolio Segment [Member] | Farmland [Member]
Non-covered	23,662	23,155
Commercial Portfolio Segment [Member] | Farmland [Member] | Non-covered Loans [Member]
Past due	1,138	1,869
Current loans	22,524	21,286
Commercial Portfolio Segment [Member] | Farmland [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	14	856
Commercial Portfolio Segment [Member] | Farmland [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	99	349
Commercial Portfolio Segment [Member] | Farmland [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	1,025	664
Consumer Real Estate Portfolio Segment [Member]
Non-covered	718,323	748,016
Loans held for investment, covered	11,038	12,631
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member]
Non-covered	99,566	110,078
Loans held for investment, covered	8,512	9,853
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Non-covered Loans [Member]
Past due	1,034	2,104
Current loans	98,532	107,974
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Covered Loans [Member]
Past due	289	172
Current loans	8,223	9,681
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	294	1,436
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	62	144
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	143	165
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due	113	28
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	597	503
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	114	0
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member]
Non-covered	603,446	620,697
Loans held for investment, covered	2,526	2,778
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Non-covered Loans [Member]
Past due	7,776	13,884
Current loans	595,670	606,813
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Covered Loans [Member]
Past due	21	50
Current loans	2,505	2,728
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	3,181	7,728
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Covered Loans [Member]
Past due	21	0
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	982	2,390
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Covered Loans [Member]
Past due	0	50
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	3,613	3,766
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Covered Loans [Member]
Past due	0	0
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member]
Non-covered	15,311	17,241
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Non-covered Loans [Member]
Past due	0	635
Current loans	15,311	16,606
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	0	207
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	0	0
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	0	428
Consumer and Other Portfolio Segment [Member]
Non-covered	119,028	114,769
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member]
Non-covered	114,551	110,027
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Non-covered Loans [Member]
Past due	1,193	2,376
Current loans	113,358	107,651
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	848	1,735
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	105	439
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	240	202
Consumer and Other Portfolio Segment [Member] | Other Loan [Member]
Non-covered	4,477	4,742
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Non-covered Loans [Member]
Past due	0	22
Current loans	4,477	4,720
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-covered Loans [Member]
Past due	0	22
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-covered Loans [Member]
Past due	0	0
Consumer and Other Portfolio Segment [Member] | Other Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-covered Loans [Member]
Past due	$ 0	$ 0
[1] Derived from audited financial statements

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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.

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