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Note 4 - Credit Quality - Loans Modified as Troubled Debt Restructurings by Loan Class and Accrual Status (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Nonaccrual | [1] | $ 3,632 | $ 1,814
Accrual |  | 8,309 | 10,248
TDRs |  | 11,941 | 12,062
Allowance for credit losses related to TDRs |  | 159 | 0
Commercial Portfolio Segment [Member] | Construction, Development and Other Land [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 0 | 0
TDRs |  | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Nonaccrual | [1] | 405 | 0
Accrual |  | 619 | 1,326
TDRs |  | 1,024 | 1,326
Commercial Portfolio Segment [Member] | Single Family Non-owner Occupied [Member] |  |  |
Nonaccrual | [1] | 655 | 1,585
Accrual |  | 592 | 1,265
TDRs |  | 1,247 | 2,850
Commercial Portfolio Segment [Member] | Non-farm, Non-residential [Member] |  |  |
Nonaccrual | [1] | 1,374 | 0
Accrual |  | 2,076 | 2,407
TDRs |  | 3,450 | 2,407
Consumer Real Estate Portfolio Segment [Member] | Home Equity Lines [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 72 | 77
TDRs |  | 72 | 77
Consumer Real Estate Portfolio Segment [Member] | Single Family Owner Occupied [Member] |  |  |
Nonaccrual | [1] | 1,198 | 229
Accrual |  | 4,707 | 4,927
TDRs |  | 5,905 | 5,156
Consumer Real Estate Portfolio Segment [Member] | Owner Occupied Construction [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 214 | 216
TDRs |  | 214 | 216
Consumer and Other Portfolio Segment [Member] |  |  |
TDRs |  |  | 30
Consumer and Other Portfolio Segment [Member] | Consumer Loans [Member] |  |  |
Nonaccrual | [1] | 0 | 0
Accrual |  | 29 | $ 30
TDRs |  | $ 29 |
[1] | Nonaccrual TDRs are included in total nonaccrual loans disclosed in the nonaccrual table above.

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