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Loans and Allowance for Loan and Lease Losses - Aging Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2021		Dec. 31, 2020		Mar. 31, 2020
Loans	$ 670,497		$ 650,123		$ 550,992
As a percentage of total loans	100.00%		100.00%
Total Past Due			$ 5,348
Current			$ 644,775
As a percentage of total loans, Total Past Due	0.54%		0.82%
As a percentage of total loans, Current	99.46%		99.18%
Construction, Land Development and Other Land Loans [Member]
Loans	$ 48,491				31,927
Secured by 1-4 Family Residential Properties [Member]
Loans	82,349				100,186
Secured By Multi family Residential Properties [Member]
Loans	54,180				44,029
Secured By Non-farm Non residential Properties [Member]
Loans	193,626				156,222
ALC [Member]
Loans	55,179		$ 59,123
ALC [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	$ 1,766		$ 2,436
As a percentage of total loans	0.26%		0.37%
ALC [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	$ 633		$ 1,096
As a percentage of total loans	0.09%		0.17%
ALC [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	$ 1,214		$ 1,816
As a percentage of total loans	0.18%		0.28%
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]
Loans	$ 48,491		$ 37,282
Current	48,491		37,282
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Loans	82,349		88,856
Total Past Due	1,461		1,115
Current	80,888		87,741
Real Estate [Member] | Secured By Multi family Residential Properties [Member]
Loans	54,180		54,326
Current	54,180		54,326
Real Estate [Member] | Secured By Non-farm Non residential Properties [Member]
Loans	193,626		184,528
Total Past Due	412		1,624
Current	193,214		182,904
Real Estate [Member] | ALC [Member] | Secured by 1-4 Family Residential Properties [Member]
Loans	3,259		3,585
Real Estate [Member] | ALC [Member] | Secured by 1-4 Family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	940		799
Real Estate [Member] | ALC [Member] | Secured by 1-4 Family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	449		244
Real Estate [Member] | ALC [Member] | Secured by 1-4 Family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	72		72
Real Estate [Member] | ALC [Member] | Secured By Non-farm Non residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	412		287
Real Estate [Member] | ALC [Member] | Secured By Non-farm Non residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due
Loans			1,337
Commercial and Industrial Loans [Member]
Loans	79,838	[1]	81,735	[1]	80,771
Total Past Due	855		1,244
Current	78,983		80,491
Commercial and Industrial Loans [Member] | ALC [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	73		683
Commercial and Industrial Loans [Member] | ALC [Member] | Financial Asset, 60 to 89 Days Past Due
Loans			561
Commercial and Industrial Loans [Member] | ALC [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	782
Consumer Portfolio Segment [Member]
Loans	670,497
Total Past Due	3,613
Current	666,884
Consumer Portfolio Segment [Member] | Direct Consumer [Member]
Loans	26,998		29,788		36,307
Total Past Due	417		662
Current	26,581		29,126
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | Financial Asset, 60 to 89 Days Past Due
Loans			257
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | Financial Asset, 60 to 89 Days Past Due
Loans			191
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | Financial Asset, 60 to 89 Days Past Due
Loans			214
Consumer Portfolio Segment [Member] | Branch Retail [Member]
Loans	31,075		32,094		31,568
Total Past Due	178		381
Current	30,897		31,713
Consumer Portfolio Segment [Member] | Indirect Sales [Member]
Loans	153,940		141,514		$ 69,982
Total Past Due	290		322
Current	153,650		141,192
Consumer Portfolio Segment [Member] | ALC [Member] | Direct Consumer [Member]
Loans	20,845		23,444
Consumer Portfolio Segment [Member] | ALC [Member] | Direct Consumer [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	173
Consumer Portfolio Segment [Member] | ALC [Member] | Direct Consumer [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	111
Consumer Portfolio Segment [Member] | ALC [Member] | Direct Consumer [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	133
Consumer Portfolio Segment [Member] | ALC [Member] | Branch Retail [Member]
Loans	31,075		32,094
Consumer Portfolio Segment [Member] | ALC [Member] | Branch Retail [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	81		176
Consumer Portfolio Segment [Member] | ALC [Member] | Branch Retail [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	49		61
Consumer Portfolio Segment [Member] | ALC [Member] | Branch Retail [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	48		144
Consumer Portfolio Segment [Member] | ALC [Member] | Indirect Sales [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	87		234
Consumer Portfolio Segment [Member] | ALC [Member] | Indirect Sales [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	24		39
Consumer Portfolio Segment [Member] | ALC [Member] | Indirect Sales [Member] | Financial Asset, 60 to 89 Days Past Due
Loans	$ 179		$ 49
[1] Includes equipment financing leases and PPP loans. As of March 31, 2021 and December 31, 2020, equipment finance leases totaled $6.7 million and $7.0 million, respectively, and PPP loans totaled $14.8 million and $11.9 million, respectively.

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