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Note 5 - Credit Quality - Loans Modified as Troubled Debt Restructurings by Loan Class and Accrual Status (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Nonaccrual | [1] | $ 1,814 | $ 2,342
Accrual |  | 10,248 | 6,575
TDRs |  | 12,062 | 8,917
Allowance for loan losses related to TDRs |  | 0 | 353
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 1,326 | 0
TDRs |  | 1,326 | 0
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] |  |  |
Nonaccrual | [1] | 1,585 | 552
Accrual |  | 1,265 | 595
TDRs |  | 2,850 | 1,147
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 2,407 | 307
TDRs |  | 2,407 | 307
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 77 | 115
TDRs |  | 77 | 115
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] |  |  |
Nonaccrual | [1] | 229 | 1,790
Accrual |  | 4,927 | 5,305
TDRs |  | 5,156 | 7,095
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 216 | 221
TDRs |  | 216 | 221
Consumer and Other Portfolio Segment [Member] |  |  |
TDRs |  |  | 32
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 30 | $ 32
TDRs |  | $ 30 |
[1] | Nonaccrual TDRs are included in total nonaccrual loans disclosed in the nonaccrual table above.

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