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Loans, Allowance For Loan Losses And OREO (Allowance For Loan Losses And Recorded Investment In Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for Credit Losses: Beginning Balance |  |  |  | $ 5,716 | $ 4,683 | $ 4,683
Allowance for Credit Losses: Charge-offs |  |  |  | (551) |  | (759)
Allowance for Credit Losses: Recoveries |  |  |  | 110 |  | 180
Allowance for credit losses: Provision |  | $ 200 | $ 145 | 745 | 595 | 1,612
Allowance for Credit Losses: Ending Balance |  | 6,020 |  | 6,020 |  | 5,716
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment |  | 1,902 |  | 1,902 |  | 1,771
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment |  | 4,118 |  | 4,118 |  | 3,945
Allowance for Credit Losses: Totals |  | 6,020 |  | 6,020 |  | 5,716
Financing Receivables: Ending Balance: Individually evaluated for impairment |  | 7,987 |  | 7,987 |  | 9,799
Financing Receivables: Ending Balance: Collectively evaluated for impairment |  | 491,797 |  | 491,797 |  | 460,270
Total loans | [1] | 499,784 |  | 499,784 |  | 470,069
Commercial [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for Credit Losses: Beginning Balance |  |  |  | 2,192 | 1,195 | 1,195
Allowance for Credit Losses: Charge-offs |  |  |  | (315) |  | (328)
Allowance for Credit Losses: Recoveries |  |  |  | 5 |  | 7
Allowance for credit losses: Provision |  |  |  | 537 |  | 1,318
Allowance for Credit Losses: Ending Balance |  | 2,419 |  | 2,419 |  | 2,192
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment |  | 1,301 |  | 1,301 |  | 1,233
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment |  | 1,118 |  | 1,118 |  | 959
Allowance for Credit Losses: Totals |  | 2,419 |  | 2,419 |  | 2,192
Financing Receivables: Ending Balance: Individually evaluated for impairment |  | 2,458 |  | 2,458 |  | 2,219
Financing Receivables: Ending Balance: Collectively evaluated for impairment |  | 100,422 |  | 100,422 |  | 85,866
Total loans |  | 102,880 |  | 102,880 |  | 88,085
Commercial Real Estate [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for Credit Losses: Beginning Balance |  |  |  | 2,109 | 1,751 | 1,751
Allowance for Credit Losses: Charge-offs |  |  |  | (17) |  | (156)
Allowance for Credit Losses: Recoveries |  |  |  | 24 |  | 127
Allowance for credit losses: Provision |  |  |  | (233) |  | 387
Allowance for Credit Losses: Ending Balance |  | 1,883 |  | 1,883 |  | 2,109
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment |  | 290 |  | 290 |  | 345
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment |  | 1,593 |  | 1,593 |  | 1,764
Allowance for Credit Losses: Totals |  | 1,883 |  | 1,883 |  | 2,109
Financing Receivables: Ending Balance: Individually evaluated for impairment |  | 3,437 |  | 3,437 |  | 5,198
Financing Receivables: Ending Balance: Collectively evaluated for impairment |  | 246,004 |  | 246,004 |  | 232,440
Total loans |  | 249,441 |  | 249,441 |  | 237,638
Consumer [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for Credit Losses: Beginning Balance |  |  |  | 954 | 1,073 | 1,073
Allowance for Credit Losses: Charge-offs |  |  |  | (114) |  | (275)
Allowance for Credit Losses: Recoveries |  |  |  | 42 |  | 44
Allowance for credit losses: Provision |  |  |  | 272 |  | 112
Allowance for Credit Losses: Ending Balance |  | 1,154 |  | 1,154 |  | 954
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment |  | 307 |  | 307 |  | 110
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment |  | 847 |  | 847 |  | 844
Allowance for Credit Losses: Totals |  | 1,154 |  | 1,154 |  | 954
Financing Receivables: Ending Balance: Individually evaluated for impairment |  | 490 |  | 490 |  | 128
Financing Receivables: Ending Balance: Collectively evaluated for impairment |  | 83,052 |  | 83,052 |  | 84,971
Total loans |  | 83,542 |  | 83,542 |  | 85,099
Residential Real Estate [Member] |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for Credit Losses: Beginning Balance |  |  |  | 461 | $ 664 | 664
Allowance for Credit Losses: Charge-offs |  |  |  | (105) |  |
Allowance for Credit Losses: Recoveries |  |  |  | 39 |  | 2
Allowance for credit losses: Provision |  |  |  | 169 |  | (205)
Allowance for Credit Losses: Ending Balance |  | 564 |  | 564 |  | 461
Allowance for Credit Losses: Ending Balance: Individually evaluated for impairment |  | 4 |  | 4 |  | 83
Allowance for Credit Losses: Ending Balance: Collectively evaluated for impairment |  | 560 |  | 560 |  | 378
Allowance for Credit Losses: Totals |  | 564 |  | 564 |  | 461
Financing Receivables: Ending Balance: Individually evaluated for impairment |  | 1,602 |  | 1,602 |  | 2,254
Financing Receivables: Ending Balance: Collectively evaluated for impairment |  | 62,319 |  | 62,319 |  | 56,993
Total loans |  | $ 63,921 |  | $ 63,921 |  | $ 59,247
[1] | Includes net deferred costs and premiums of $903 and $182 as of September 30, 2017 and December 31, 2016, respectively.

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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=66008989&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=66008989&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=66008989&loc=SL6953423-111524 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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=66008989&loc=SL6953423-111524 + 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=66008989&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=66008989&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables 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 (h) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: 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=66008989&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + 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=65884687&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=66008989&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=66902209&loc=d3e3602-108585 + Details
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