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Allowance For Loan Loss Additional Information (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016
--- | --- | --- | ---
Financing Receivable Allowance For Credit Loss Additional Information [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | $ 4,943 |  | $ 4,431
Financing Receivable, Collectively Evaluated for Impairment | 435,939 |  | 428,596
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 22 |  | 97
Financing Receivable, Individually Evaluated for Impairment | 1,981 |  | 2,653
Allowance for loan losses | 4,965 | $ 4,643 | 4,528
Loans and Leases Receivable, Gross, Carrying Amount | 437,920 | 431,506 | 431,249
Commercial and Industrial Loans [Member] |  |  |
Financing Receivable Allowance For Credit Loss Additional Information [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 677 |  | 506
Financing Receivable, Collectively Evaluated for Impairment | 50,974 |  | 50,159
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 |  | 0
Financing Receivable, Individually Evaluated for Impairment | 0 |  | 31
Allowance for loan losses | 677 |  | 506
Loans and Leases Receivable, Gross, Carrying Amount | 50,974 | 49,850 | 50,190
Construction And Land Development Loans [Member] |  |  |
Financing Receivable Allowance For Credit Loss Additional Information [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 874 |  | 744
Financing Receivable, Collectively Evaluated for Impairment | 46,386 |  | 49,291
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 |  | 0
Financing Receivable, Individually Evaluated for Impairment | 0 |  | 55
Allowance for loan losses | 874 |  | 744
Loans and Leases Receivable, Gross, Carrying Amount | 46,386 | 41,650 | 49,346
Commercial Real Estate Loans, Total [Member] |  |  |
Financing Receivable Allowance For Credit Loss Additional Information [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 2,099 |  | 1,995
Financing Receivable, Collectively Evaluated for Impairment | 218,882 |  | 206,258
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 22 |  | 97
Financing Receivable, Individually Evaluated for Impairment | 1,981 |  | 2,567
Allowance for loan losses | 2,121 |  | 2,092
Loans and Leases Receivable, Gross, Carrying Amount | 220,863 | 220,439 | 208,825
Residential Real Estate Loans, Total [Member] |  |  |
Financing Receivable Allowance For Credit Loss Additional Information [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 1,119 |  | 1,061
Financing Receivable, Collectively Evaluated for Impairment | 110,288 |  | 113,763
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 |  | 0
Financing Receivable, Individually Evaluated for Impairment | 0 |  | 0
Allowance for loan losses | 1,119 |  | 1,061
Loans and Leases Receivable, Gross, Carrying Amount | 110,288 | 110,855 | 113,763
Consumer Installment and Revolving Loans [Member] |  |  |
Financing Receivable Allowance For Credit Loss Additional Information [Line Items] |  |  |
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment | 174 |  | 125
Financing Receivable, Collectively Evaluated for Impairment | 9,409 |  | 9,125
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 |  | 0
Financing Receivable, Individually Evaluated for Impairment | 0 |  | 0
Allowance for loan losses | 174 |  | 125
Loans and Leases Receivable, Gross, Carrying Amount | $ 9,409 | $ 8,712 | $ 9,125

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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 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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