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Loans and Allowance for Loan Losses (Allowance For Loan Losses By Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | $ 5,456 | $ 4,411 | $ 4,411
Charge-Offs | (10) | (138) | (236)
Recoveries | 45 | 52 | 504
Provision for (recovery of) loan losses | 194 | 205 | 777
Ending Balance | 5,685 | 4,530 | 5,456
Ending balance: Individually evaluated for impairment | 877 |  | 962
Ending balance: collectively evaluated for impairment | 4,808 |  | 4,494
Loans Ending Balance | 619,612 |  | 607,315
Ending balance individually evaluated for impairment | 8,527 |  | 8,559
Ending balance collectively evaluated for impairment | 611,085 |  | 598,756
Construction and Farmland |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 583 | 332 | 332
Charge-Offs | 0 |  | 0
Recoveries | 2 |  | 266
Provision for (recovery of) loan losses | 58 |  | (15)
Ending Balance | 643 |  | 583
Ending balance: Individually evaluated for impairment | 0 |  | 0
Ending balance: collectively evaluated for impairment | 643 |  | 583
Loans Ending Balance | 68,628 |  | 61,926
Ending balance individually evaluated for impairment | 272 |  | 280
Ending balance collectively evaluated for impairment | 68,356 |  | 61,646
Residential |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 1,788 | 1,754 | 1,754
Charge-Offs | 0 |  | (24)
Recoveries | 13 |  | 28
Provision for (recovery of) loan losses | 74 |  | 30
Ending Balance | 1,875 |  | 1,788
Ending balance: Individually evaluated for impairment | 95 |  | 119
Ending balance: collectively evaluated for impairment | 1,780 |  | 1,669
Loans Ending Balance | 236,157 |  | 229,784
Ending balance individually evaluated for impairment | 4,213 |  | 4,044
Ending balance collectively evaluated for impairment | 231,944 |  | 225,740
Commercial Real Estate |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 1,988 | 1,627 | 1,627
Charge-Offs | 0 |  | 0
Recoveries | 6 |  | 78
Provision for (recovery of) loan losses | (35) |  | 283
Ending Balance | 1,959 |  | 1,988
Ending balance: Individually evaluated for impairment | 182 |  | 193
Ending balance: collectively evaluated for impairment | 1,777 |  | 1,795
Loans Ending Balance | 263,857 |  | 265,595
Ending balance individually evaluated for impairment | 2,806 |  | 2,919
Ending balance collectively evaluated for impairment | 261,051 |  | 262,676
Commercial - Non Real Estate |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 919 | 570 | 570
Charge-Offs | 0 |  | (139)
Recoveries | 13 |  | 100
Provision for (recovery of) loan losses | (49) |  | 388
Ending Balance | 883 |  | 919
Ending balance: Individually evaluated for impairment | 600 |  | 650
Ending balance: collectively evaluated for impairment | 283 |  | 269
Loans Ending Balance | 34,798 |  | 33,086
Ending balance individually evaluated for impairment | 1,236 |  | 1,316
Ending balance collectively evaluated for impairment | 33,562 |  | 31,770
Consumer |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 53 | 69 | 69
Charge-Offs | (2) |  | (33)
Recoveries | 10 |  | 19
Provision for (recovery of) loan losses | (13) |  | (2)
Ending Balance | 48 |  | 53
Ending balance: Individually evaluated for impairment | 0 |  | 0
Ending balance: collectively evaluated for impairment | 48 |  | 53
Loans Ending Balance | 8,056 |  | 8,470
Ending balance individually evaluated for impairment | 0 |  | 0
Ending balance collectively evaluated for impairment | 8,056 |  | 8,470
All Other Loans |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 97 | 29 | 29
Charge-Offs | (8) |  | (40)
Recoveries | 1 |  | 13
Provision for (recovery of) loan losses | 1 |  | 95
Ending Balance | 91 |  | 97
Ending balance: Individually evaluated for impairment | 0 |  | 0
Ending balance: collectively evaluated for impairment | 91 |  | 97
Loans Ending Balance | 8,116 |  | 8,454
Ending balance individually evaluated for impairment | 0 |  | 0
Ending balance collectively evaluated for impairment | 8,116 |  | 8,454
Unallocated |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Beginning Balance | 28 | $ 30 | 30
Provision for (recovery of) loan losses | 158 |  | (2)
Ending Balance | 186 |  | 28
Ending balance: collectively evaluated for impairment | $ 186 |  | $ 28

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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