Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Impaired loans by class:
Impaired Loans with Specific Allowance, Recorded Investment	$ 4,247	$ 3,118
Impaired Loans with Specific Allowance, Related Allowance	1,301	723
Impaired Loans with No Specific Allowance, Recorded Investment	308
Total Impaired Loans, Recorded Investment	4,555	3,118
Total Impaired Loans, Unpaid Principal Balance	6,550	3,118
Commercial
Impaired loans by class:
Impaired Loans with Specific Allowance, Recorded Investment	3,945	3,074
Impaired Loans with Specific Allowance, Related Allowance	1,094	683
Impaired Loans with No Specific Allowance, Recorded Investment	118
Total Impaired Loans, Recorded Investment	4,063	3,074
Total Impaired Loans, Unpaid Principal Balance	6,058	3,074
Residential Real Estate
Impaired loans by class:
Impaired Loans with Specific Allowance, Recorded Investment	282	43
Impaired Loans with Specific Allowance, Related Allowance	195	16
Impaired Loans with No Specific Allowance, Recorded Investment	190
Total Impaired Loans, Recorded Investment	472	43
Total Impaired Loans, Unpaid Principal Balance	472	43
Home Equity
Impaired loans by class:
Impaired Loans with Specific Allowance, Recorded Investment
Impaired Loans with Specific Allowance, Related Allowance
Impaired Loans with No Specific Allowance, Recorded Investment
Total Impaired Loans, Recorded Investment
Total Impaired Loans, Unpaid Principal Balance
Installment
Impaired loans by class:
Impaired Loans with Specific Allowance, Recorded Investment	20	1
Impaired Loans with Specific Allowance, Related Allowance	12	24
Impaired Loans with No Specific Allowance, Recorded Investment
Total Impaired Loans, Recorded Investment	20	1
Total Impaired Loans, Unpaid Principal Balance	20	1
Credit Card
Impaired loans by class:
Impaired Loans with Specific Allowance, Recorded Investment
Impaired Loans with Specific Allowance, Related Allowance
Impaired Loans with No Specific Allowance, Recorded Investment
Total Impaired Loans, Recorded Investment
Total Impaired Loans, Unpaid Principal Balance

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)(4)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

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