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Loans (Loans Individually And Collectively Evaluated For Impairment) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Financing Receivable, Impaired [Line Items] |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | $ 11,322 | $ 10,451
Nonaccrual and accruing restructured loans | 146,070 | 154,025
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 105,873 | 112,315
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 40,197 | 41,710
Partial Charge-Offs On Impaired Loans | 54,400 | 63,300
Commercial Financial And Agricultural [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 19,847 | 20,740
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 19,835 | 20,727
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 12 | 13
Construction Real Estate - SEPH Commercial Land And Development [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 4,102 | 4,777
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 4,102 | 4,777
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment |  |
Construction Real Estate - Remaining Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 10,530 | 10,782
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 10,530 | 10,782
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 0 | 0
Construction Real Estate - Mortgage [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 195 | 184
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 0 | 0
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 195 | 184
Construction Real Estate - Installment [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 196 | 231
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 0 | 0
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 196 | 231
Residential Real Estate - Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 31,213 | 33,408
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 31,213 | 33,408
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 0 | 0
Residential Real Estate - Mortgage [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 31,494 | 32,272
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 0 | 0
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 31,494 | 32,272
Residential Real Estate - HELOC [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 2,625 | 2,880
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 0 | 0
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 2,625 | 2,880
Residential Real Estate - Installment [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Nonaccrual and accruing restructured loans | 1,890 | 1,850
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 0 | 0
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 1,890 | 1,850
Commercial Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 5,514 | 5,496
Nonaccrual and accruing restructured loans | 39,395 | 41,822
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 39,395 | 41,822
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 0 | 0
Consumer [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 0 | 0
Nonaccrual and accruing restructured loans | 4,583 | 5,079
Nonaccrual and accruing restructured loans, loans individually evaluated for impairment | 798 | 799
Nonaccrual and accruing restructured loans, loans collectively evaluated for impairment | 3,785 | 4,280
Financing Receivable With No Related Allowance Recorded [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Partial Charge-Offs On Impaired Loans | $ 49,200 | $ 58,100

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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=28368275&loc=SL6953423-111524 + Details
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