Troubled Debt Restructurings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015 Loan	Mar. 31, 2014 Loan
Troubled Debt Restructurings
Troubled debt restructurings, Number of Loans	5	13
Troubled debt restructurings, Pre-modification recorded balance	$ 3,085	$ 5,110
Troubled debt restructurings, Post-modification recorded balance	3,085	4,481
TDRs that Subsequently Defaulted, Number of Loans	6	2
TDRs that Subsequently Defaulted, Recorded Balance	174	42
Residential Real Estate
Troubled Debt Restructurings
Troubled debt restructurings, Number of Loans	0	0
Troubled debt restructurings, Pre-modification recorded balance	0	0
Troubled debt restructurings, Post-modification recorded balance	0	0
TDRs that Subsequently Defaulted, Number of Loans	0	0
TDRs that Subsequently Defaulted, Recorded Balance	0	0
Commercial Real Estate
Troubled Debt Restructurings
Troubled debt restructurings, Number of Loans	2	5
Troubled debt restructurings, Pre-modification recorded balance	2,182	2,475
Troubled debt restructurings, Post-modification recorded balance	2,182	2,475
TDRs that Subsequently Defaulted, Number of Loans	0	0
TDRs that Subsequently Defaulted, Recorded Balance	0	0
Other Commercial
Troubled Debt Restructurings
Troubled debt restructurings, Number of Loans	3	7
Troubled debt restructurings, Pre-modification recorded balance	903	2,439
Troubled debt restructurings, Post-modification recorded balance	903	1,810
TDRs that Subsequently Defaulted, Number of Loans	3	2
TDRs that Subsequently Defaulted, Recorded Balance	57	42
Home Equity
Troubled Debt Restructurings
Troubled debt restructurings, Number of Loans	0	1
Troubled debt restructurings, Pre-modification recorded balance	0	196
Troubled debt restructurings, Post-modification recorded balance	0	196
TDRs that Subsequently Defaulted, Number of Loans	2	0
TDRs that Subsequently Defaulted, Recorded Balance	116	0
Other Consumer
Troubled Debt Restructurings
Troubled debt restructurings, Number of Loans	0	0
Troubled debt restructurings, Pre-modification recorded balance	0	0
Troubled debt restructurings, Post-modification recorded balance	0	0
TDRs that Subsequently Defaulted, Number of Loans	1	0
TDRs that Subsequently Defaulted, Recorded Balance	$ 1	$ 0

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524

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