Note 7 - LHFL and ACL - Aging Analysis of Past Due Loans, Segregated by Class (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Land Development and Construction	$ 567,240	$ 585,591
Financial Assets Non Purchased Loans [Member]
Land Development and Construction	567,240	585,591
Total		585,591
Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	3,107
Total		3,005
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	991
Total		1,271
Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	4,098
Total		4,276
Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	563,142
Total		581,315
Real Estate Segment [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	470,707	472,857
Real Estate Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	2,650	2,770
Real Estate Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	720	959
Real Estate Segment [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	3,370	3,729
Real Estate Segment [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	467,337	469,128
Real Estate Segment [Member] | Land Development And Construction Loans [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	53,528	52,731
Real Estate Segment [Member] | Land Development And Construction Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	250	0
Real Estate Segment [Member] | Land Development And Construction Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	0	4
Real Estate Segment [Member] | Land Development And Construction Loans [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	250	4
Real Estate Segment [Member] | Land Development And Construction Loans [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	53,278	52,727
Real Estate Segment [Member] | Farmland Loan [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	11,423	11,437
Real Estate Segment [Member] | Farmland Loan [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	233	38
Real Estate Segment [Member] | Farmland Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	0	30
Real Estate Segment [Member] | Farmland Loan [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	233	68
Real Estate Segment [Member] | Farmland Loan [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	11,190	11,369
Real Estate Segment [Member] | Family Mortgages 1-4 [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	93,480	92,148
Real Estate Segment [Member] | Family Mortgages 1-4 [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	1,527	1,799
Real Estate Segment [Member] | Family Mortgages 1-4 [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	216	439
Real Estate Segment [Member] | Family Mortgages 1-4 [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	1,743	2,238
Real Estate Segment [Member] | Family Mortgages 1-4 [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	91,737	89,910
Real Estate Segment [Member] | Commercial Real Estate [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	312,276	316,541
Real Estate Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	640	933
Real Estate Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	504	486
Real Estate Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	1,144	1,419
Real Estate Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	311,132	315,122
Business Loans [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	80,681	97,004
Business Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	271	113
Business Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	266	277
Business Loans [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	537	390
Business Loans [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	80,144	96,614
Business Loans [Member] | Commercial and Industrial Loans [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	80,207	96,500
Business Loans [Member] | Commercial and Industrial Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	271	109
Business Loans [Member] | Commercial and Industrial Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	266	277
Business Loans [Member] | Commercial and Industrial Loans [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	537	386
Business Loans [Member] | Commercial and Industrial Loans [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	79,670	96,114
Business Loans [Member] | Farm Production And Other Farm Loans Member | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	474	504
Business Loans [Member] | Farm Production And Other Farm Loans Member | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	0	4
Business Loans [Member] | Farm Production And Other Farm Loans Member | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	0	0
Business Loans [Member] | Farm Production And Other Farm Loans Member | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	0	4
Business Loans [Member] | Farm Production And Other Farm Loans Member | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	474	500
Consumer Portfolio Segment [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	15,852	15,730
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	186	122
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	5	35
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	191	157
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	15,661	15,573
Consumer Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	13,072	12,992
Consumer Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	126	66
Consumer Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	0	23
Consumer Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	126	89
Consumer Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	12,946	12,903
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	2,780	2,738
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, 30 to 89 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	60	56
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	5	12
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	65	68
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Not Past Due [Member] | Financial Assets Non Purchased Loans [Member]
Land Development and Construction	$ 2,715	$ 2,670