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Loans and Allowance for Loan Losses (Details) - Summary of impaired loan activity - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Commercial & industrial [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  | $ 943 |  |
With no related allowance recorded, Unpaid Principal Balance |  |  | 1,739 |  |
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment |  |  | 1,899 |  |
With no related allowance recorded, Interest Income Recognized |  |  | 23 |  |
Commercial real estate - owner occupied [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  | 1,362 |  |
With no related allowance recorded, Unpaid Principal Balance |  |  | 1,362 |  |
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | $ 1,362 |  | 1,362 |  |
With no related allowance recorded, Interest Income Recognized |  |  |  |  |
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  |  |  | 1,362
With a specific allowance recorded, Unpaid Principal Balance |  |  |  |  | 1,362
With a specific allowance recorded, Related Allowance |  |  |  |  | 147
With a specific allowance recorded, Average Recorded Investment |  |  |  |  | 1,362
With a specific allowance recorded, Interest Income Recognized |  |  |  |  | 38
Totals: |  |  |  |  |
Total Recorded Investment |  |  | 1,362 |  | 1,362
Total Unpaid Principal Balance |  |  | 1,362 |  | 1,362
Total Related Allowance |  |  |  |  | 147
Total Average Recorded Investment | 1,362 |  | 1,362 |  | 1,362
Total Interest Income Recognized |  |  |  |  | 38
Commercial real estate - nonowner occupied [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  | 406 |  | 196
With no related allowance recorded, Unpaid Principal Balance |  |  | 406 |  | 197
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 472 | 259 | 473 | 259 | 259
With no related allowance recorded, Interest Income Recognized | 1 | 3 | 5 | 10 | 21
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  |  |  |
With a specific allowance recorded, Unpaid Principal Balance |  |  |  |  |
With a specific allowance recorded, Related Allowance |  |  |  |  |
With a specific allowance recorded, Average Recorded Investment |  |  |  |  |
With a specific allowance recorded, Interest Income Recognized |  |  |  |  |
Totals: |  |  |  |  |
Total Recorded Investment |  |  | 406 |  | 196
Total Unpaid Principal Balance |  |  | 406 |  | 197
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment | 472 | 259 | 473 | 259 | 259
Total Interest Income Recognized | 1 | 3 | 5 | 10 | 21
Agricultural [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  |  |  |
With no related allowance recorded, Unpaid Principal Balance |  |  |  |  |
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment |  |  |  |  |
With no related allowance recorded, Interest Income Recognized |  |  |  |  |
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  |  |  |
With a specific allowance recorded, Unpaid Principal Balance |  |  |  |  |
With a specific allowance recorded, Related Allowance |  |  |  |  |
With a specific allowance recorded, Average Recorded Investment |  |  |  |  |
With a specific allowance recorded, Interest Income Recognized |  |  |  |  |
Totals: |  |  |  |  |
Total Recorded Investment |  |  |  |  |
Total Unpaid Principal Balance |  |  |  |  |
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment |  |  |  |  |
Total Interest Income Recognized |  |  |  |  |
Residential real estate [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  | 2,249 |  | 1,621
With no related allowance recorded, Unpaid Principal Balance |  |  | 2,315 |  | 1,687
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 2,632 | 2,055 | 2,641 | 2,065 | 2,001
With no related allowance recorded, Interest Income Recognized | 35 | 27 | 35 | 56 | 106
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  | 581 |  | 653
With a specific allowance recorded, Unpaid Principal Balance |  |  | 619 |  | 653
With a specific allowance recorded, Related Allowance |  |  | 99 |  | 68
With a specific allowance recorded, Average Recorded Investment | 625 | 531 | 626 | 534 | 666
With a specific allowance recorded, Interest Income Recognized |  | 7 | 5 | 12 | 31
Totals: |  |  |  |  |
Total Recorded Investment |  |  | 2,830 |  | 2,274
Total Unpaid Principal Balance |  |  | 2,934 |  | 2,340
Total Related Allowance |  |  | 99 |  | 68
Total Average Recorded Investment | 3,257 | 2,586 | 3,267 | 2,599 | 2,667
Total Interest Income Recognized | 35 | 34 | 40 | 68 | 137
HELOC [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  | 63 |  | 16
With no related allowance recorded, Unpaid Principal Balance |  |  | 63 |  | 16
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 64 | 19 | 66 | 19 | 18
With no related allowance recorded, Interest Income Recognized | 1 |  | 2 | 1 | 1
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  | 44 |  |
With a specific allowance recorded, Unpaid Principal Balance |  |  | 44 |  |
With a specific allowance recorded, Related Allowance |  |  | 2 |  |
With a specific allowance recorded, Average Recorded Investment | 50 |  | 51 |  |
With a specific allowance recorded, Interest Income Recognized | 1 |  | 2 |  |
Totals: |  |  |  |  |
Total Recorded Investment |  |  | 107 |  | 16
Total Unpaid Principal Balance |  |  | 107 |  | 16
Total Related Allowance |  |  | 2 |  |
Total Average Recorded Investment | 114 | 19 | 117 | 19 | 18
Total Interest Income Recognized | 2 |  | 4 | 1 | 1
Consumer [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  | 11 |  | 15
With no related allowance recorded, Unpaid Principal Balance |  |  | 11 |  | 15
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 13 | 20 | 14 | 20 | 19
With no related allowance recorded, Interest Income Recognized |  |  | 1 | 1 | 1
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  |  |  |
With a specific allowance recorded, Unpaid Principal Balance |  |  |  |  |
With a specific allowance recorded, Related Allowance |  |  |  |  |
With a specific allowance recorded, Average Recorded Investment |  |  |  |  |
With a specific allowance recorded, Interest Income Recognized |  |  |  |  |
Totals: |  |  |  |  |
Total Recorded Investment |  |  | 11 |  | 15
Total Unpaid Principal Balance |  |  | 11 |  | 15
Total Related Allowance |  |  |  |  |
Total Average Recorded Investment | 13 | 20 | 14 | 20 | 19
Total Interest Income Recognized |  |  | 1 | 1 | 1
Commercial & industrial [Member] |  |  |  |  |
With no related allowance recorded: |  |  |  |  |
With no related allowance recorded, Recorded Investment |  |  |  |  | 722
With no related allowance recorded, Unpaid Principal Balance |  |  |  |  | 1,092
With no related allowance recorded, Related Allowance |  |  |  |  |
With no related allowance recorded, Average Recorded Investment | 1,875 | 1,226 |  | 1,275 | 1,377
With no related allowance recorded, Interest Income Recognized | 15 | 19 |  | 44 | 114
With a specific allowance recorded: |  |  |  |  |
With a specific allowance recorded, Recorded Investment |  |  | 192 |  | 1,000
With a specific allowance recorded, Unpaid Principal Balance |  |  | 249 |  | 1,000
With a specific allowance recorded, Related Allowance |  |  | 1 |  | 511
With a specific allowance recorded, Average Recorded Investment | 249 |  | 249 |  | 823
With a specific allowance recorded, Interest Income Recognized |  |  |  |  | 49
Totals: |  |  |  |  |
Total Recorded Investment |  |  | 1,135 |  | 1,722
Total Unpaid Principal Balance |  |  | 1,988 |  | 2,092
Total Related Allowance |  |  | 1 |  | 511
Total Average Recorded Investment | 2,124 | 1,226 | 2,148 | 1,275 | 2,200
Total Interest Income Recognized | $ 15 | $ 19 | $ 23 | $ 44 | $ 163

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