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Allowance For Loan Losses (Composition Of The Allowance For Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010 | Jun. 30, 2010 | Mar. 31, 2010 | Dec. 31, 2009
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Allowance for loan losses, Ending allowance balance attributed to loans | $ 110,187 |  | $ 126,859 | $ 121,397 |  | $ 120,676 | $ 119,674 | $ 116,717
Reallocated allowance for loan losses |  |  |  | 121,397 |  |  |  |
Loans | 4,710,513 |  |  | 4,732,685 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 2.34% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 2.57% |  |  |  |
Recorded investment | 4,726,027 |  |  | 4,750,190 |  |  |  |
Commercial, Financial And Agricultural [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 12,607 |  | 11,791 | 13,584 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 11,696 |  |  |  |
Loans | 755,793 |  |  | 737,902 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.67% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.59% |  |  |  |
Recorded investment | 758,419 |  |  | 740,788 |  |  |  |
Commercial, Financial And Agricultural [Member] | Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 3,265 |  |  | 3,028 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 3,028 |  |  |  |
Commercial, Financial And Agricultural [Member] | Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 9,342 |  |  | 10,556 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 8,668 |  |  |  |
Commercial, Financial And Agricultural [Member] | Loans Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 24,008 |  |  | 19,205 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 13.60% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 15.77% |  |  |  |
Recorded investment | 24,008 |  |  | 19,205 |  |  |  |
Commercial, Financial And Agricultural [Member] | Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 731,785 |  |  | 718,697 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.28% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.21% |  |  |  |
Recorded investment | 734,411 |  |  | 721,583 |  |  |  |
Commercial Real Estate [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 22,470 |  | 22,574 | 28,515 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 21,911 |  |  |  |
Loans | 1,257,292 | [1] |  | 1,226,616 | [1] |  |  |
Allowance for loan losses as a percentage of loan balance | 1.79% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.79% |  |  |  |
Recorded investment | 1,262,067 | [1] |  | 1,231,420 | [1] |  |  |
Commercial Real Estate [Member] | Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 9,213 |  |  | 10,001 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 10,001 |  |  |  |
Commercial Real Estate [Member] | Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 13,257 |  |  | 18,514 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 11,910 |  |  |  |
Commercial Real Estate [Member] | Loans Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 47,243 |  |  | 57,930 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 19.50% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 17.26% |  |  |  |
Recorded investment | 47,243 |  |  | 57,930 |  |  |  |
Commercial Real Estate [Member] | Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 1,210,049 |  |  | 1,168,686 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.10% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.02% |  |  |  |
Recorded investment | 1,214,824 |  |  | 1,173,490 |  |  |  |
Construction Real Estate [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 35,280 |  | 53,672 | 46,194 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 51,953 |  |  |  |
Loans | 330,332 |  |  | 406,480 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 10.68% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 12.78% |  |  |  |
Recorded investment | 331,163 |  |  | 407,533 |  |  |  |
Construction Real Estate [Member] | Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 15,372 |  |  | 26,387 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 26,387 |  |  |  |
Construction Real Estate [Member] | Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 19,908 |  |  | 19,807 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 25,566 |  |  |  |
Construction Real Estate [Member] | Loans Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 80,532 |  |  | 113,571 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 19.09% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 23.23% |  |  |  |
Recorded investment | 80,532 |  |  | 113,571 |  |  |  |
Construction Real Estate [Member] | Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 249,800 |  |  | 292,909 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 7.97% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 8.73% |  |  |  |
Recorded investment | 250,631 |  |  | 293,962 |  |  |  |
Residential Real Estate [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 32,105 |  | 31,553 | 25,845 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 28,793 |  |  |  |
Loans | 1,713,568 |  |  | 1,692,209 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.87% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.70% |  |  |  |
Recorded investment | 1,717,878 |  |  | 1,697,670 |  |  |  |
Residential Real Estate [Member] | Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 4,960 |  |  | 4,043 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 4,043 |  |  |  |
Residential Real Estate [Member] | Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 27,145 |  |  | 21,802 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 24,750 |  |  |  |
Residential Real Estate [Member] | Loans Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 48,594 |  |  | 60,227 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 10.21% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 6.71% |  |  |  |
Recorded investment | 48,594 |  |  | 60,227 |  |  |  |
Residential Real Estate [Member] | Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 1,664,974 |  |  | 1,631,982 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.63% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.52% |  |  |  |
Recorded investment | 1,669,284 |  |  | 1,637,443 |  |  |  |
Consumer [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 7,721 |  | 7,265 | 7,228 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 7,039 |  |  |  |
Loans | 651,250 |  |  | 666,871 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.19% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.06% |  |  |  |
Recorded investment | 654,188 |  |  | 670,116 |  |  |  |
Consumer [Member] | Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 7,721 |  |  | 7,228 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 7,039 |  |  |  |
Consumer [Member] | Loans Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 23 |  |  |  |  |  |  |
Recorded investment | 23 |  |  |  |  |  |  |
Consumer [Member] | Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 651,227 |  |  | 666,871 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.19% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.06% |  |  |  |
Recorded investment | 654,165 |  |  | 670,116 |  |  |  |
Leases [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 4 |  | 4 | 31 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 5 |  |  |  |
Loans | 2,278 |  |  | 2,607 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 0.18% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 0.19% |  |  |  |
Recorded investment | 2,312 |  |  | 2,663 |  |  |  |
Leases [Member] | Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 4 |  |  | 31 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 5 |  |  |  |
Leases [Member] | Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 2,278 |  |  | 2,607 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 0.18% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 0.19% |  |  |  |
Recorded investment | 2,312 |  |  | 2,663 |  |  |  |
Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 32,810 |  |  | 43,459 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 43,459 |  |  |  |
Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Allowance for loan losses, Ending allowance balance attributed to loans | 77,377 |  |  | 77,938 |  |  |  |
Reallocated allowance for loan losses |  |  |  | 77,938 |  |  |  |
Loans Individually Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 200,400 |  |  | 250,933 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 16.37% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 17.32% |  |  |  |
Recorded investment | 200,400 |  |  | 250,933 |  |  |  |
Loans Collectively Evaluated For Impairment [Member] |  |  |  |  |  |  |  |
Loans | 4,510,113 |  |  | 4,481,752 |  |  |  |
Allowance for loan losses as a percentage of loan balance | 1.72% |  |  |  |  |  |  |
Reallocated allowance for loan losses as a percentage of loan balance |  |  |  | 1.74% |  |  |  |
Recorded investment | $ 4,525,627 |  |  | $ 4,499,257 |  |  |  |
[1] | Included within commercial, financial and agricultural loans, commercial real estate loans, and Vision commercial land and development loans are an immaterial amount of consumer loans that are not broken out by class.

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- Definition Allowance For Credit Losses Reallocated Allowance + Details
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- Definition Total of loans held-for-sale and held-in-portfolio net of unearned income, unamortized loan origination and other fees and costs, and purchased premiums or discounts. + Details
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- Definition Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans + Details
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- Definition Reallocated Allowance for Loan Losses as a Percentage of Loan Balance + Details
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- Definition The amount of the recorded investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, accounts receivable (with terms exceeding one year), notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Receivable -URI http://asc.fasb.org/extlink&oid=6953735 + Details
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- Definition The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph a(ii) -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: 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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