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Loans and Related Allowance for Loan Losses (Allowance for Loan Losses Summarized by Loan Portfolio Segments) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | $ 9,918 | $ 11,922
Charge-offs | (712) | (438)
Recoveries | 1,768 | 204
Provision for loan losses | 609 | 568
ALL Ending Balance | 11,583 | 12,256
Commercial Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | 3,913 | 2,580
Charge-offs | (429) | (211)
Recoveries | 5 | 0
Provision for loan losses | 2,078 | 931
ALL Ending Balance | 5,567 | 3,300
Acquisition and Development [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | 871 | 4,129
Charge-offs | (18) | 0
Recoveries | 11 | 100
Provision for loan losses | 19 | (482)
ALL Ending Balance | 883 | 3,747
Commercial and industrial [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | 858 | 722
Charge-offs | (33) | (53)
Recoveries | 1,455 | 30
Provision for loan losses | (1,344) | 59
ALL Ending Balance | 936 | 758
Residential Mortgage [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | 3,588 | 3,785
Charge-offs | (148) | (90)
Recoveries | 220 | 32
Provision for loan losses | (158) | 32
ALL Ending Balance | 3,502 | 3,759
Consumer [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | 188 | 206
Charge-offs | (84) | (84)
Recoveries | 77 | 42
Provision for loan losses | 14 | 28
ALL Ending Balance | 195 | 192
Unallocated [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
ALL Beginning Balance | 500 | 500
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision for loan losses | 0 | 0
ALL Ending Balance | $ 500 | $ 500

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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=49124121&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=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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