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Loans, Troubled Debt Restructurings Segregated by Class (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 USD ($) Loan | Sep. 30, 2014 USD ($) Loan | Sep. 30, 2015 USD ($) Loan | Sep. 30, 2014 USD ($) Loan | Dec. 31, 2014 USD ($) Loan
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | Loan | 6 | 9 | 18 | 17 | 22
Post-Modification Outstanding Balance | $ 1,650 | $ 2,941 | $ 2,601 | $ 4,082 | $ 7,898
Past due period for loan to be considered in default, minimum |  |  | 90 days |  |
Defaulted restructured loans, number of loans | Loan | 2 | 2 | 5 | 3 |
Defaulted restructured loans, recorded investment | $ 31 | $ 3,486 | $ 680 | $ 4,067 |
Term Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | 1,485 | 2,874 | 2,146 | 3,166 | 6,982
Rate Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | 0 | 0 | 0 | 0 | 0
Combination [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | $ 165 | $ 67 | $ 455 | $ 916 | $ 916
Commercial [Member] | Construction [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | Loan |  | 1 |  | 1 | 1
Post-Modification Outstanding Balance |  | $ 7 |  | $ 7 | $ 7
Commercial [Member] | Construction [Member] | Term Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance |  | 7 |  | 7 | 7
Commercial [Member] | Construction [Member] | Rate Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance |  | 0 |  | 0 | 0
Commercial [Member] | Construction [Member] | Combination [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance |  | $ 0 |  | $ 0 | $ 0
Commercial [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | Loan | 5 | 4 | 13 | 7 | 11
Post-Modification Outstanding Balance | $ 511 | $ 2,483 | $ 1,118 | $ 2,714 | $ 5,775
Defaulted restructured loans, number of loans | Loan | 2 | 1 | 4 | 1 |
Defaulted restructured loans, recorded investment | $ 31 | $ 2,892 | $ 390 | $ 2,892 |
Commercial [Member] | Real Estate [Member] | Term Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | 346 | 2,416 | 953 | 2,647 | 5,707
Commercial [Member] | Real Estate [Member] | Rate Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | 0 | 0 | 0 | 0 | 0
Commercial [Member] | Real Estate [Member] | Combination [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | $ 165 | $ 67 | $ 165 | $ 67 | $ 68
Commercial [Member] | Other [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | Loan | 1 | 4 | 4 | 7 | 8
Post-Modification Outstanding Balance | $ 1,139 | $ 451 | $ 1,193 | $ 512 | $ 1,268
Commercial [Member] | Other [Member] | Term Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | 1,139 | 451 | 1,193 | 512 | 1,268
Commercial [Member] | Other [Member] | Rate Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | 0 | 0 | 0 | 0 | 0
Commercial [Member] | Other [Member] | Combination [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance | $ 0 | $ 0 | $ 0 | $ 0 | $ 0
Residential [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of Loans | Loan |  |  | 1 | 2 | 2
Post-Modification Outstanding Balance |  |  | $ 290 | $ 849 | $ 848
Defaulted restructured loans, number of loans | Loan | 0 | 1 | 1 | 2 |
Defaulted restructured loans, recorded investment | $ 0 | $ 594 | $ 290 | $ 1,175 |
Residential [Member] | Real Estate [Member] | Term Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance |  |  | 0 | 0 | 0
Residential [Member] | Real Estate [Member] | Rate Modification [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance |  |  | 0 | 0 | 0
Residential [Member] | Real Estate [Member] | Combination [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Post-Modification Outstanding Balance |  |  | $ 290 | $ 849 | $ 848

X
- Definition Refers to the minimum past due period for a loan to be considered in default, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition 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=49124121&loc=SL6953676-111524 + Details
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- Definition Post-modification amount of investment in financing receivables 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=49124121&loc=SL6953676-111524 + Details
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- Definition 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=49124121&loc=SL6953682-111524 + Details
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