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Loans And Related Allowances For Loan Losses (Primary Segments of the Allowance for Loan Loss) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | $ 260 | $ 1,157 |
Collectively evaluated for impairment | 9,658 | 10,765 |
Total Allowance For Loan Losses | 9,918 | 11,922 | $ 12,065
Commercial Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | 177 | 144 |
Collectively evaluated for impairment | 3,736 | 2,436 |
Total Allowance For Loan Losses | 3,913 | 2,580 | 2,424
Acquisition and Development [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | 40 | 867 |
Collectively evaluated for impairment | 831 | 3,262 |
Total Allowance For Loan Losses | 871 | 4,129 | 3,912
Commercial and industrial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | 0 | 16 |
Collectively evaluated for impairment | 858 | 706 |
Total Allowance For Loan Losses | 858 | 722 | 1,680
Residential Mortgage [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | 43 | 130 |
Collectively evaluated for impairment | 3,545 | 3,655 |
Total Allowance For Loan Losses | 3,588 | 3,785 | 3,862
Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | 0 | 0 |
Collectively evaluated for impairment | 188 | 206 |
Total Allowance For Loan Losses | 188 | 206 | 187
Unallocated [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Individually evaluated for impairment | 0 | 0 |
Collectively evaluated for impairment | 500 | 500 |
Total Allowance For Loan Losses | $ 500 | $ 500 | $ 0

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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=49124121&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=49124121&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=49124121&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=49124121&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 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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