Loans- Revised Classification From The Provision For Loan Losses to Other Operating Expenses (Details) - USD ($) $ in Thousands  | 
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015  | 
Sep. 30, 2014  | 
Sep. 30, 2015  | 
Sep. 30, 2014  | 
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| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||
| Negative provision for loan losses | $ (3,704) | $ 48 | $ (7,779) | $ (7,463) | 
| Other operating expenses | $ 1,976 | 2,564 | $ 6,953 | 7,180 | 
| As Previously Reported | ||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||
| Negative provision for loan losses | 0 | (7,166) | ||
| Other operating expenses | 2,612 | 6,883 | ||
| Effect of Change | ||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||
| Negative provision for loan losses | 48 | (297) | ||
| Other operating expenses | $ (48) | $ 297 | ||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Other noninterest expenses that are not separately presented in any other noninterest expense category. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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