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Fair Value Fair Value (Impaired Financing Receivables Additional Information) (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013
Schedule of Impaired Financing Receivables Additional Information [Line Items] |  |  |
Book Value Of Impaired Loans Carried At Fair Value | $ 20,011 | $ 41,002 |
Partial Charge-Offs On Impaired Loans carried at Fair Value | 32,117 | 48,952 |
Impaired Financing Receivable, Related Allowance | 4,120 | 10,451 |
impaired Financing Receivable, loans not held at Fair Value, Carrying Amount | 54,534 | 68,045 |
Impaired Financing Receivable, Recorded Investment | 76,231 | 112,315 | 118,251
Impaired loans carried at fair value | 17,577 | 33,819 |
Impaired Financing Receivable, loans not held at Fair Value, Recorded Investment | 56,220 | 71,313 |
Partial Charge-offs on Impaired Loans carried at Cost | 12,457 | 14,320 |
Impaired Financing Receivable, Carrying Value | 72,111 | 101,864 |
Partial Charge-Offs On Impaired Loans | 44,574 | 63,272 |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 4,120 | 10,451 |
Financing Receivable, not collateral dependent [Domain] |  |  |
Schedule of Impaired Financing Receivables Additional Information [Line Items] |  |  |
Impaired Financing Receivable, Related Allowance | 1,686 | 3,268 |
Commercial Receivables, excluding Commercial, Financial, and Agricultural [Domain] |  |  |
Schedule of Impaired Financing Receivables Additional Information [Line Items] |  |  |
Impaired Financing Receivable, Related Allowance | $ 2,434 | $ 7,183 |

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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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