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Loans and Allowance for Loan and Lease Losses - Loans By Credit Quality Indicators (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | --- | ---
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 670,497 |  | $ 650,123 |  | $ 550,992
As a percentage of total loans |  | 100.00% |  | 100.00% |  |
FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 615,318 |  | $ 591,000 |  |
ALC [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 55,179 |  | 59,123 |  |
ALC [Member] | Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 292,258 |  | $ 289,674 |  |
As a percentage of total loans |  | 99.29% |  | 99.12% |  |
ALC [Member] | Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 2,104 |  | $ 2,578 |  |
As a percentage of total loans |  | 0.71% |  | 0.88% |  |
ALC [Member] | Performing and Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 294,362 |  | $ 292,252 |  |
As a percentage of total loans |  | 100.00% |  | 100.00% |  |
Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 48,491 |  |  |  | 31,927
Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 54,180 |  |  |  | 44,029
Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 193,626 |  |  |  | 156,222
Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 82,349 |  |  |  | 100,186
Pass [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
As a percentage of total loans |  | 95.22% |  | 95.33% |  |
Pass [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 358,126 |  | $ 341,137 |  |
Special Mention [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
As a percentage of total loans |  | 3.21% |  | 2.70% |  |
Special Mention [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 12,081 |  | $ 9,672 |  |
Substandard [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
As a percentage of total loans |  | 1.58% |  | 1.97% |  |
Substandard [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 5,928 |  | $ 7,062 |  |
Pass And Criticized [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
As a percentage of total loans |  | 100.00% |  | 100.00% |  |
Pass And Criticized [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 376,135 |  | $ 357,871 |  |
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 48,491 |  | 37,282 |  |
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 48,491 |  | 37,282 |  |
Real Estate [Member] | Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 54,180 |  | 54,326 |  |
Real Estate [Member] | Secured By Multi family Residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 54,180 |  | 54,326 |  |
Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 193,626 |  | 184,528 |  |
Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 193,626 |  | 184,528 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 82,349 |  | 88,856 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 79,090 |  | 85,271 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 3,259 |  | 3,585 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] | Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 80,448 |  | 86,665 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] | Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 1,901 |  | 2,191 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] | Performing and Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 82,349 |  | 88,856 |  |
Real Estate [Member] | Pass [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 47,929 |  | 36,719 |  |
Real Estate [Member] | Pass [Member] | Secured By Multi family Residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 51,639 |  | 54,326 |  |
Real Estate [Member] | Pass [Member] | Secured By Non-farm Non residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 180,533 |  | 170,338 |  |
Real Estate [Member] | Special Mention [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 557 |  | 558 |  |
Real Estate [Member] | Special Mention [Member] | Secured By Multi family Residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 2,541 |  |  |  |
Real Estate [Member] | Special Mention [Member] | Secured By Non-farm Non residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 8,852 |  | 8,572 |  |
Real Estate [Member] | Substandard [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 5 |  | 5 |  |
Real Estate [Member] | Substandard [Member] | Secured By Non-farm Non residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 4,241 |  | 5,618 |  |
Real Estate [Member] | Pass And Criticized [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 48,491 |  | 37,282 |  |
Real Estate [Member] | Pass And Criticized [Member] | Secured By Multi family Residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 54,180 |  | 54,326 |  |
Real Estate [Member] | Pass And Criticized [Member] | Secured By Non-farm Non residential Properties [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 193,626 |  | 184,528 |  |
Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 79,838 | [1] | 81,735 | [1] | 80,771
Commercial and Industrial Loans [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans | [1] | 79,838 |  | 81,735 |  |
Commercial and Industrial Loans [Member] | Pass [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 78,025 |  | 79,754 |  |
Commercial and Industrial Loans [Member] | Special Mention [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 131 |  | 542 |  |
Commercial and Industrial Loans [Member] | Substandard [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 1,682 |  | 1,439 |  |
Commercial and Industrial Loans [Member] | Pass And Criticized [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 79,838 |  | 81,735 |  |
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 670,497 |  |  |  |
Consumer Portfolio Segment [Member] | Direct Consumer [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 26,998 |  | 29,788 |  | 36,307
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 6,153 |  | 6,344 |  |
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | ALC [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 20,845 |  | 23,444 |  |
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | ALC [Member] | Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 26,844 |  | 29,679 |  |
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | ALC [Member] | Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 154 |  | 109 |  |
Consumer Portfolio Segment [Member] | Direct Consumer [Member] | ALC [Member] | Performing and Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 26,998 |  | 29,788 |  |
Consumer Portfolio Segment [Member] | Branch Retail [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 31,075 |  | 32,094 |  | 31,568
Consumer Portfolio Segment [Member] | Branch Retail [Member] | ALC [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 31,075 |  | 32,094 |  |
Consumer Portfolio Segment [Member] | Branch Retail [Member] | ALC [Member] | Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 31,026 |  | 31,816 |  |
Consumer Portfolio Segment [Member] | Branch Retail [Member] | ALC [Member] | Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 49 |  | 278 |  |
Consumer Portfolio Segment [Member] | Branch Retail [Member] | ALC [Member] | Performing and Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 31,075 |  | 32,094 |  |
Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 153,940 |  | 141,514 |  | $ 69,982
Consumer Portfolio Segment [Member] | Indirect Sales [Member] | FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 153,940 |  | 141,514 |  |
Consumer Portfolio Segment [Member] | Indirect Sales [Member] | ALC [Member] | Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 153,940 |  | 141,514 |  |
Consumer Portfolio Segment [Member] | Indirect Sales [Member] | ALC [Member] | Performing and Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 153,940 |  | $ 141,514 |  |
[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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