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Allowance for Loan Losses (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individual loan balance is classified as nonaccrual status or troubled debt restructure | $ 100 |  | $ 100 |
Credit reviews mandatory for loan aggregate balances with in 12-month period | 1,000 |  | 1,000 |
Number of consecutive historical quarters for calculation of charge-off factor |  |  | 12 |
Loans past due as to maturity, days |  |  | 90 days |
Provision (credit) for loan losses |  | (200) | (100) | (1,325)
Minimum [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Credit reviews mandatory for loan aggregate balances with in 12-month period | 250 |  | 250 |
Anticipated scope of range-of-coverage |  |  | 55.00% |
Commercial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Individual loan balance is classified as nonaccrual status or troubled debt restructure | 100 |  | 100 |
Credit reviews mandatory for loan aggregate balances with in 12-month period | 250 |  | 250 |
Number of consecutive historical quarters for calculation of charge-off factor |  |  | 12 |
Provision (credit) for loan losses | 891 | 277 | 1,044 | 251
Commercial loans secured by real estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Provision (credit) for loan losses | (993) | (515) | (1,468) | (1,565)
Real estate-mortgage [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans past due as to maturity, days |  |  | 90 days |
Provision (credit) for loan losses | 62 | 57 | 52 | 103
Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans past due as to maturity, days |  |  | 90 days |
Provision (credit) for loan losses | $ (6) | $ 17 | $ 29 | $ 110

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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + 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 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 Reference 4: 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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