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Loans and Allowance for Loan Losses - Loans By Credit Quality Indicators (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019
--- | --- | --- | ---
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 639,030 |  | $ 556,053 |  |
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 |  | $ 35,472 |  |  |  |
Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 49,197 |  |  |  |
Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 183,754 |  |  |  |
Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 95,147 |  |  |  |
Direct Consumer [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 30,048 |  |  |  |
Branch Retail [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 33,145 |  |  |  |
Indirect Sales [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 125,369 |  |  |  |
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 35,472 |  | $ 30,820 |  |
Real Estate [Member] | Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 49,197 |  | 50,910 |  |
Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 183,754 |  | 162,981 |  |
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 95,147 |  | 104,537 |  |
Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans | [1] | 86,898 |  | 90,957 |  |
Consumer Portfolio Segment [Member] | Direct Consumer [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 30,048 |  | 38,040 |  |
Consumer Portfolio Segment [Member] | Branch Retail [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 33,145 |  | 32,305 |  |
Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans | [2] | 125,369 |  | 45,503 |  |
FUSB [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 579,175 |  | 442,455 |  | $ 555,338
FUSB [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  |  |  |  |  | 28,190
FUSB [Member] | Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  |  |  |  |  | 46,843
FUSB [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  |  |  |  |  | 164,941
FUSB [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  |  |  |  |  | 109,336
FUSB [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 35,472 |  | 30,820 |  |
FUSB [Member] | Real Estate [Member] | Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 49,197 |  | 50,910 |  |
FUSB [Member] | Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 183,754 |  | 162,981 |  |
FUSB [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 91,208 |  | 98,971 |  |
FUSB [Member] | Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 86,898 | [1] | 90,957 | [1] | 90,470
FUSB [Member] | Consumer Portfolio Segment [Member] | Direct Consumer [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 7,277 |  | 7,816 |  | 37,477
FUSB [Member] | Consumer Portfolio Segment [Member] | Branch Retail [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  |  |  |  |  | 30,008
FUSB [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 125,369 | [2] |  |  | $ 48,073
FUSB [Member] | Pass |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 338,922 |  | $ 327,557 |  |
As a percentage of total loans |  | 95.38% |  | 97.58% |  |
FUSB [Member] | Pass | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 33,133 |  | $ 30,466 |  |
FUSB [Member] | Pass | Real Estate [Member] | Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 49,197 |  | 50,910 |  |
FUSB [Member] | Pass | Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 171,774 |  | 157,718 |  |
FUSB [Member] | Pass | Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 84,818 |  | 88,463 |  |
FUSB [Member] | Special Mention |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 14,168 |  | $ 4,029 |  |
As a percentage of total loans |  | 3.99% |  | 1.20% |  |
FUSB [Member] | Special Mention | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 2,334 |  | $ 354 |  |
FUSB [Member] | Special Mention | Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 10,196 |  | 2,961 |  |
FUSB [Member] | Special Mention | Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 1,638 |  | 714 |  |
FUSB [Member] | Substandard [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 2,231 |  | $ 4,082 |  |
As a percentage of total loans |  | 0.63% |  | 1.22% |  |
FUSB [Member] | Substandard [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 5 |  |  |  |
FUSB [Member] | Substandard [Member] | Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 1,784 |  | $ 2,302 |  |
FUSB [Member] | Substandard [Member] | Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 442 |  | 1,780 |  |
FUSB [Member] | Pass And Criticized [Member} |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 355,321 |  | $ 335,668 |  |
As a percentage of total loans |  | 100.00% |  | 100.00% |  |
FUSB [Member] | Pass And Criticized [Member} | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 35,472 |  | $ 30,820 |  |
FUSB [Member] | Pass And Criticized [Member} | Real Estate [Member] | Secured By Multi family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 49,197 |  | 50,910 |  |
FUSB [Member] | Pass And Criticized [Member} | Real Estate [Member] | Secured By Non-farm Non residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 183,754 |  | 162,981 |  |
FUSB [Member] | Pass And Criticized [Member} | Commercial and Industrial Loans [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 86,898 |  | 90,957 |  |
ALC [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 59,855 |  | 113,598 |  |
ALC [Member] | Performing Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 281,361 |  | $ 217,177 |  |
As a percentage of total loans |  | 99.17% |  | 98.54% |  |
ALC [Member] | Nonperforming Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 2,348 |  | $ 3,208 |  |
As a percentage of total loans |  | 0.83% |  | 1.46% |  |
ALC [Member] | Performing And Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 283,709 |  | $ 220,385 |  |
As a percentage of total loans |  | 100.00% |  | 100.00% |  |
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 3,939 |  | $ 5,566 |  |
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Performing Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 93,150 |  | 102,176 |  |
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Nonperforming Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 1,997 |  | 2,361 |  |
ALC [Member] | Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Performing And Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 95,147 |  | 104,537 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Direct Consumer [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 22,771 |  | 30,224 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Direct Consumer [Member] | Performing Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 29,850 |  | 37,474 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Direct Consumer [Member] | Nonperforming Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 198 |  | 566 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Direct Consumer [Member] | Performing And Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 30,048 |  | 38,040 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Branch Retail [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 33,145 |  | 32,305 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Branch Retail [Member] | Performing Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 32,992 |  | 32,024 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Branch Retail [Member] | Nonperforming Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 153 |  | 281 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Branch Retail [Member] | Performing And Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 33,145 |  | 32,305 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans | [2] |  |  | 45,503 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] | Performing Financial Instruments |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | 125,369 |  | 45,503 |  |
ALC [Member] | Consumer Portfolio Segment [Member] | Indirect Sales [Member] | Performing And Non Performing [Member] |  |  |  |  |  |
Financing Receivable Recorded Investment [Line Items] |  |  |  |  |  |
Loans |  | $ 125,369 |  | $ 45,503 |  |
[1] | Includes equipment financing leases.
[2] | Effective January 1, 2020, the Company transferred a total of $45.5 million of its indirect sales portfolio from ALC to the Bank.

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