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Loans (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
With No Related Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | $ 11,275 | $ 3,936 |
Recorded Investment |  | 7,016 | 3,410 |
Average Recorded Investment |  | 4,097 | 2,509 | $ 2,444
Interest Income Recognized |  | 133 | 108 | 123
Cash Basis Recognized |  | 39 | 47 | 89
With An Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 6,757 | 9,293 |
Recorded Investment |  | 6,565 | 9,228 |
Allowance for Loan Losses Allocated |  | 1,826 | 2,234 |
Average Recorded Investment |  | 7,636 | 5,191 | 1,938
Interest Income Recognized |  | 20 | 21 | 7
Cash Basis Recognized |  | 9 | 8 | 3
Recorded Investment |  | 13,581 | 12,638 |
Unpaid Principal Balance | [1] | 18,032 | 13,229 |
Average Recorded Investment |  | 11,733 | 7,700 | 4,382
Interest Income Recognized |  | 153 | 129 | 130
Cash Basis Recognized |  | 48 | 55 | 92
Loans Acquired with Deteriorated Credit Quality |  |  |  |
With No Related Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 8,060 | 1,255 |
Recorded Investment |  | 3,958 | 797 |
Average Recorded Investment |  | 868 | 792 | 489
Interest Income Recognized |  | 21 | 25 | 21
Cash Basis Recognized |  | 0 | 25 | 10
With An Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 196 | 252 |
Recorded Investment |  | 4 | 208 |
Allowance for Loan Losses Allocated |  | 3 | 6 |
Average Recorded Investment |  | 151 | 238 | 711
Interest Income Recognized |  | 29 | 19 | 0
Cash Basis Recognized |  | 0 | 7 | 0
Commercial and Industrial Loans and Leases |  |  |  |
With No Related Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 3,721 | 1,205 |
Recorded Investment |  | 1,183 | 1,166 |
Average Recorded Investment |  | 1,164 | 635 | 295
Interest Income Recognized |  | 53 | 27 | 29
Cash Basis Recognized |  | 3 | 2 | 15
With An Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 2,353 | 4,804 |
Recorded Investment |  | 2,353 | 4,763 |
Allowance for Loan Losses Allocated |  | 143 | 1,402 |
Average Recorded Investment |  | 2,956 | 1,986 | 102
Interest Income Recognized |  | 2 | 4 | 1
Cash Basis Recognized |  | 9 | 2 | 1
Commercial Real Estate Loans |  |  |  |
With No Related Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 5,828 | 1,812 |
Recorded Investment |  | 4,383 | 1,495 |
Average Recorded Investment |  | 2,163 | 1,184 | 1,688
Interest Income Recognized |  | 80 | 57 | 92
Cash Basis Recognized |  | 36 | 29 | 73
With An Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 4,404 | 4,489 |
Recorded Investment |  | 4,212 | 4,465 |
Allowance for Loan Losses Allocated |  | 1,683 | 832 |
Average Recorded Investment |  | 4,680 | 2,842 | 1,587
Interest Income Recognized |  | 18 | 17 | 6
Cash Basis Recognized |  | 0 | 6 | 2
Agricultural Loans |  |  |  |
With No Related Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 1,726 | 919 |
Recorded Investment |  | 1,450 | 749 |
Average Recorded Investment |  | 770 | 690 | 461
Interest Income Recognized |  | 0 | 24 | 2
Cash Basis Recognized |  | 0 | 16 | 1
With An Allowance Recorded: |  |  |  |
Unpaid Principal Balance | [1] | 0 | 0 |
Recorded Investment |  | 0 | 0 |
Allowance for Loan Losses Allocated |  | 0 | 0 |
Average Recorded Investment |  | 0 | 363 | 249
Interest Income Recognized |  | 0 | 0 | 0
Cash Basis Recognized |  | $ 0 | $ 0 | $ 0
[1] | Unpaid Principal Balance is the remaining contractual payments gross of partial charge-offs and discounts.

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