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Loans - Narrative (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
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts |  |  | 88 | 96 | 94
Financing Receivable, Modifications, Recorded Investment | $ | $ 24,715 | $ 27,877 | $ 24,715 | $ 27,877 | $ 27,214
Financing Receivable Modifications Number Of Contracts Greater Than 30 Days Past Due Place In T D R In Previous 12 Months | 10 | 11 | 10 | 11 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due | $ | $ 1,593 | $ 1,987 | $ 1,593 | $ 1,987 |
Financing Receivable, Number Of Loans Classified As Troubled Debt Restructurings That Had Been Placed On TDR Status In Previous 12 Months |  | 3 |  | 3 |
Loans classified as TDR in last 12 months | $ |  | $ 416 |  | $ 416 |
Financing Receivable Modifications Number Of Contracts During Period | 1 | 3 | 1 | 6 |
Financing Receivable Modifications Post Modification Recorded Investment During Period | $ | $ 108 | $ 545 | $ 108 | $ 832 |
Financing Receivable, Number Of Loans Classified As Troubled Debt Restructurings That Are Involved In Bankruptcy | 8 |  | 8 |  |
Financing Receivable, Loans Classified As Troubled Debt Restructurings That Are Involved In Bankruptcy | $ | $ 1,153 |  | $ 1,153 |  |
Financing Receivable Number Of Loans Classified As Troubled Debt Restructurings That Were On Non Accrual Status | 14 |  | 14 |  |
Financing Receivable, Number of Loans Classified As Troubled Debt Restructurings Classified As NonAccrual | $ | $ 1,913 |  | $ 1,913 |  |
Financing Receivable, Number Of Loans Classified As Troubled Debt Restructurings Involved In Foreclosure | 3 |  | 3 |  |
Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure | $ | $ 265 |  | $ 265 |  |
Mortgage Loans in Process of Foreclosure, Number | 18 |  | 18 |  |
Mortgage Loans in Process of Foreclosure, Amount | $ | $ 2,038 |  | $ 2,038 |  |
Unallocated |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Number Of Days Past Due | 30 days | 30 days |  |  |

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