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Allowance for Loan Losses (Rollforward of the Allowance for Loan Losses by Portfolio Segment) (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] |  |  |  |
Balance at beginning of period | $ 11,145 | $ 13,317 | $ 12,571 | $ 14,623
Charge-offs | (57) | (333) | (1,663) | (877)
Recoveries | 95 | 45 | 375 | 408
Provision (credit) for loan losses |  | (200) | (100) | (1,325)
Balance at end of period | 11,183 | 12,829 | 11,183 | 12,829
Commercial [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at beginning of period | 2,780 | 2,352 | 2,596 | 2,365
Charge-offs |  | (246) |  | (345)
Recoveries | 17 | 14 | 48 | 126
Provision (credit) for loan losses | 891 | 277 | 1,044 | 251
Balance at end of period | 3,688 | 2,397 | 3,688 | 2,397
Commercial loans secured by real estate [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at beginning of period | 5,983 | 8,378 | 7,796 | 9,400
Charge-offs |  |  | (1,480) | (172)
Recoveries | 39 | 8 | 181 | 208
Provision (credit) for loan losses | (993) | (515) | (1,468) | (1,565)
Balance at end of period | 5,029 | 7,871 | 5,029 | 7,871
Real estate-mortgage [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at beginning of period | 1,279 | 1,206 | 1,269 | 1,270
Charge-offs | (49) | (51) | (96) | (190)
Recoveries | 31 | 9 | 98 | 38
Provision (credit) for loan losses | 62 | 57 | 52 | 103
Balance at end of period | 1,323 | 1,221 | 1,323 | 1,221
Consumer [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at beginning of period | 146 | 155 | 150 | 174
Charge-offs | (8) | (36) | (87) | (170)
Recoveries | 8 | 14 | 48 | 36
Provision (credit) for loan losses | (6) | 17 | 29 | 110
Balance at end of period | 140 | 150 | 140 | 150
Allocation for general risk [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Balance at beginning of period | 957 | 1,226 | 760 | 1,414
Charge-offs |  |  |  |
Recoveries |  |  |  |
Provision (credit) for loan losses | 46 | (36) | 243 | (224)
Balance at end of period | $ 1,003 | $ 1,190 | $ 1,003 | $ 1,190

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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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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- 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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