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Allowance For Loan Losses (Activity In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Effect of Change in Method | $ 3,800 |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 4,140 | $ 3,716 | $ 11,960 | $ 10,161
Financing Receivable, Allowance for Credit Losses, Recovery | 6,369 | 2,368 | 12,847 | 8,644
Financing Receivables Allowance For Credit Losses Net Charge Offs | (2,229) | 1,348 | (887) | 1,517
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 58,699 | 57,427 | 56,494 | 54,352
Ending balance | 53,562 | 58,483 | 53,562 | 58,483
Provision for Loan, Lease, and Other Losses | (7,366) | 2,404 | (3,819) | 5,648
Commercial Financial And Agricultural [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 457 | 829 | 1,601 | 1,680
Financing Receivable, Allowance for Credit Losses, Recovery | 246 | 415 | 889 | 987
Financing Receivables Allowance For Credit Losses Net Charge Offs | 211 | 414 | 712 | 693
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 16,478 | 12,124 | 13,694 | 10,719
Ending balance | 16,270 | 13,259 | 16,270 | 13,259
Provision for Loan, Lease, and Other Losses | 3 | 1,549 | 3,288 | 3,233
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 4 | 46 | 82 | 329
Financing Receivable, Allowance for Credit Losses, Recovery | 973 | 386 | 3,005 | 2,188
Financing Receivables Allowance For Credit Losses Net Charge Offs | (969) | (340) | (2,923) | (1,859)
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 9,203 | 9,467 | 9,197 | 8,808
Ending balance | 10,573 | 9,455 | 10,573 | 9,455
Provision for Loan, Lease, and Other Losses | 401 | (352) | (1,547) | (1,212)
Construction Real Estate [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 1,300 | 4 | 1,318 | 41
Financing Receivable, Allowance for Credit Losses, Recovery | 3,659 | 274 | 4,708 | 1,238
Financing Receivables Allowance For Credit Losses Net Charge Offs | (2,359) | (270) | (3,390) | (1,197)
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 8,256 | 8,670 | 8,564 | 8,652
Ending balance | 5,358 | 8,990 | 5,358 | 8,990
Provision for Loan, Lease, and Other Losses | (5,257) | 50 | (6,596) | (859)
Residential Real Estate [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 293 | 575 | 1,776 | 1,732
Financing Receivable, Allowance for Credit Losses, Recovery | 348 | 461 | 1,226 | 1,808
Financing Receivables Allowance For Credit Losses Net Charge Offs | (55) | 114 | 550 | (76)
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 13,180 | 15,268 | 13,514 | 14,772
Ending balance | 11,328 | 15,022 | 11,328 | 15,022
Provision for Loan, Lease, and Other Losses | (1,907) | (132) | (1,636) | 174
Consumer [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 2,086 | 2,262 | 7,183 | 6,379
Financing Receivable, Allowance for Credit Losses, Recovery | 1,142 | 832 | 3,017 | 2,420
Financing Receivables Allowance For Credit Losses Net Charge Offs | 944 | 1,430 | 4,166 | 3,959
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 11,581 | 11,898 | 11,524 | 11,401
Ending balance | 10,033 | 11,757 | 10,033 | 11,757
Provision for Loan, Lease, and Other Losses | (604) | 1,289 | 2,675 | 4,315
Leases [Member] |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Financing Receivable, Allowance for Credit Losses, Write-downs | 0 | 0 | 0 | 0
Financing Receivable, Allowance for Credit Losses, Recovery | 1 | 0 | 2 | 3
Financing Receivables Allowance For Credit Losses Net Charge Offs | (1) | 0 | (2) | (3)
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 1 | 0 | 1 | 0
Ending balance | 0 | 0 | 0 | 0
Provision for Loan, Lease, and Other Losses | $ (2) | $ 0 | $ (3) | $ (3)

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition The effect of a change in method or methods for calculating the allowance for credit losses on the current period provision. + 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 (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + 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 (c)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + 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 (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + 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=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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