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Impaired Loans Averages (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Impaired Financing Receivable, Average Recorded Investment [Line Items] |  |
Impaired Financing Receivable, Average Recorded Investment | $ 2,549 | $ 2,099
Impaired Financing Receivable, Interest Income, Accrual Method | 3 | 3
Commercial and Industrial Loans [Member] |  |
Impaired Financing Receivable, Average Recorded Investment [Line Items] |  |
Impaired Financing Receivable, Average Recorded Investment | 30 | 10
Impaired Financing Receivable, Interest Income, Accrual Method | 0 | 0
Construction And Land Development Loans [Member] |  |
Impaired Financing Receivable, Average Recorded Investment [Line Items] |  |
Impaired Financing Receivable, Average Recorded Investment | 0 | 28
Impaired Financing Receivable, Interest Income, Accrual Method | 0 | 0
Commercial Real Estate Owner Occupied Loans [Member] |  |
Impaired Financing Receivable, Average Recorded Investment [Line Items] |  |
Impaired Financing Receivable, Average Recorded Investment | 172 | 191
Impaired Financing Receivable, Interest Income, Accrual Method | 3 | 3
Commercial Real Estate Other Loans [Member] |  |
Impaired Financing Receivable, Average Recorded Investment [Line Items] |  |
Impaired Financing Receivable, Average Recorded Investment | 2,347 | 1,870
Impaired Financing Receivable, Interest Income, Accrual Method | 0 | 0
Commercial Real Estate Loans, Total [Member] |  |
Impaired Financing Receivable, Average Recorded Investment [Line Items] |  |
Impaired Financing Receivable, Average Recorded Investment | 2,519 | 2,061
Impaired Financing Receivable, Interest Income, Accrual Method | $ 3 | $ 3

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 + Details
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