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Loans and the Allowance for Loan Losses (Summary of Activity in Allowance for Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | $ 10,333 | $ 10,237
Charge offs | (336) | (6)
Recoveries | 11 | 1
Provision | 625 | 0
Ending Balance | 10,633 | 10,232
Commercial and industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | 1,698 | 2,424
Charge offs | (333) | 0
Recoveries | 0 | 0
Provision | 860 | (341)
Ending Balance | 2,225 | 2,083
Commercial real estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | 5,746 | 5,323
Charge offs | 0 | 0
Recoveries | 0 | 0
Provision | (362) | 30
Ending Balance | 5,384 | 5,353
Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | 362 | 313
Charge offs | 0 | 0
Recoveries | 0 | 0
Provision | 72 | (29)
Ending Balance | 434 | 284
Residential mortgage [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | 990 | 1,532
Charge offs | 0 | 0
Recoveries | 10 | 0
Provision | 4 | (154)
Ending Balance | 1,004 | 1,378
Installment [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | 146 | 113
Charge offs | (3) | (6)
Recoveries | 1 | 1
Provision | (65) | (5)
Ending Balance | 79 | 103
Unallocated [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Beginning Balance | 1,391 | 532
Charge offs | 0 | 0
Recoveries | 0 | 0
Provision | 116 | 499
Ending Balance | $ 1,507 | $ 1,031

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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=28368275&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=28368275&loc=SL6953423-111524 + Details
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- 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 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: 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 4: 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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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 3: 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 + Details
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