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Loans (Loans Modified As TDRs By Class Of Loans) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | $ 5,348,000 | $ 5,655,000
Nonperforming Financing Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | 370 | 422
Commercial Portfolio Segment [Member] | Nonperforming Financing Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | 208 | 249
Single-Family Residential[Member] | Nonperforming Financing Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing Receivable, Modifications, Recorded Investment | $ 162 | $ 173

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