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Allowance For Loan And Lease Losses (Allocation Of Allowance For Loan And Lease Losses) (Details) (USD $) In Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2011 | Jun. 30, 2011 | Dec. 31, 2010 | Jun. 30, 2010
Impaired noncovered loans and leases | $ 250,050 | [1] | $ 250,050 | [1] | $ 227,765 | [2] | $ 188,169 | [1]
Total impaired noncovered loans and leases | 129,188 |  | 129,188 |  | 107,779 |  |  |
Total impaired loans not covered by loss share |  |  |  |  |  |  | 54,457 |
Average balance | 118,635 |  | 118,978 |  | 51,306 |  |  |
Unpaid principal balance | 129,842 |  | 129,842 |  | 108,505 |  |  |
Interest Income Recognized | 608 |  | 1,673 |  | 4,308 |  |  |
Construction And Land Development - Commercial [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 27,237 |  | 27,237 |  | 28,327 |  |  |
Commercial Mortgage [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 64,272 |  | 64,272 |  | 52,658 |  |  |
Other Commercial Real Estate [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 1,770 |  | 1,770 |  | 964 |  |  |
Residential Mortgage [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 11,102 |  | 11,102 |  | 6,162 |  |  |
Commercial And Industrial [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 6,917 |  | 6,917 |  | 11,624 |  |  |
Other [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases |  |  |  |  | 76 |  |  |
Consumer [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 994 |  | 994 |  | 102 |  |  |
Lease Financing [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 617 |  | 617 |  | 693 |  |  |
Construction And Land Development - Non - Commercial [Member] | With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 2,562 |  | 2,562 |  | 514 |  |  |
With A Recorded Allowance [Member] |  |  |  |  |  |  |  |
Total impaired noncovered loans and leases | 115,471 |  | 115,471 |  | 101,120 |  |  |
Total impaired loans not covered by loss share |  |  |  |  |  |  | 52,418 |
Construction And Land Development - Commercial [Member] | With No Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 1,037 |  | 1,037 |  |  |  |  |
Commercial Mortgage [Member] | With No Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 5,534 |  | 5,534 |  | 5,294 |  |  |
Commercial And Industrial [Member] | With No Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 7,146 |  | 7,146 |  | 1,365 |  |  |
Other [Member] | With No Recorded Allowance [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases |  |  |  |  |  |  |  |
With No Recorded Allowance [Member] |  |  |  |  |  |  |  |
Total impaired noncovered loans and leases | 13,717 |  | 13,717 |  | 6,659 |  |  |
Total impaired loans not covered by loss share |  |  |  |  |  |  | 2,039 |
Construction And Land Development - Commercial [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 5,526 |  | 5,526 |  | 5,883 |  |  |
Commercial Mortgage [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 5,272 |  | 5,272 |  | 4,601 |  |  |
Other Commercial Real Estate [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 56 |  | 56 |  | 67 |  |  |
Residential Mortgage [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 455 |  | 455 |  | 384 |  |  |
Commercial And Industrial [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 430 |  | 430 |  | 598 |  |  |
Other [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases |  |  |  |  | 7 |  |  |
Consumer [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 45 |  | 45 |  | 9 |  |  |
Lease Financing [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 48 |  | 48 |  | 58 |  |  |
Construction And Land Development - Non - Commercial [Member] | Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 93 |  | 93 |  | 13 |  |  |
Related Allowance Recorded [Member] |  |  |  |  |  |  |  |
Total impaired noncovered loans and leases | 11,925 |  | 11,925 |  | 11,620 |  |  |
Total impaired loans not covered by loss share |  |  |  |  |  |  | 3,781 |
Construction And Land Development - Commercial [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 28,274 |  | 28,274 |  | 28,327 |  |  |
Average balance | 28,541 |  | 28,819 |  | 19,235 |  |  |
Unpaid principal balance | 28,475 |  | 28,475 |  | 28,610 |  |  |
Interest Income Recognized | 32 |  | 104 |  | 736 |  |  |
Commercial Mortgage [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 69,806 |  | 69,806 |  | 57,952 |  |  |
Average balance | 65,763 |  | 65,937 |  | 25,451 |  |  |
Unpaid principal balance | 70,259 |  | 70,259 |  | 59,760 |  |  |
Interest Income Recognized | 340 |  | 1,078 |  | 2,548 |  |  |
Other Commercial Real Estate [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 1,770 |  | 1,770 |  | 964 |  |  |
Average balance | 1,358 |  | 1,227 |  | 353 |  |  |
Unpaid principal balance | 1,770 |  | 1,770 |  | 964 |  |  |
Interest Income Recognized | 15 |  | 25 |  | 42 |  |  |
Commercial And Industrial [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 14,063 |  | 14,063 |  | 12,989 |  |  |
Average balance | 10,953 |  | 12,454 |  | 3,420 |  |  |
Unpaid principal balance | 14,063 |  | 14,063 |  | 11,624 |  |  |
Interest Income Recognized | 58 |  | 223 |  | 663 |  |  |
Lease Financing [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 617 |  | 617 |  | 693 |  |  |
Average balance | 790 |  | 758 |  | 281 |  |  |
Unpaid principal balance | 617 |  | 617 |  | 693 |  |  |
Interest Income Recognized |  |  | 12 |  | 37 |  |  |
Other [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases |  |  |  |  | 76 |  |  |
Average balance |  |  | 38 |  | 31 |  |  |
Unpaid principal balance |  |  |  |  | 76 |  |  |
Interest Income Recognized |  |  |  |  | 5 |  |  |
Residential Mortgage [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 11,102 |  | 11,102 |  | 6,162 |  |  |
Average balance | 9,144 |  | 8,150 |  | 2,314 |  |  |
Unpaid principal balance | 11,102 |  | 11,102 |  | 6,162 |  |  |
Interest Income Recognized | 116 |  | 176 |  | 212 |  |  |
Construction And Land Development - Non - Commercial [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 2,562 |  | 2,562 |  | 514 |  |  |
Average balance | 1,538 |  | 1,196 |  | 182 |  |  |
Unpaid principal balance | 2,562 |  | 2,562 |  | 514 |  |  |
Interest Income Recognized | 39 |  | 45 |  | 56 |  |  |
Consumer [Member] |  |  |  |  |  |  |  |
Impaired noncovered loans and leases | 994 |  | 994 |  | 102 |  |  |
Average balance | 548 |  | 399 |  | 39 |  |  |
Unpaid principal balance | 994 |  | 994 |  | 102 |  |  |
Interest Income Recognized | $ 8 |  | $ 10 |  | $ 9 |  |  |
[1] | Unaudited
[2] | Derived from the 2010 Annual Report on Form 10-K.

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- Definition The unpaid principal balance related to impaired financing receivables. + Details
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Balance Type: | debit
Period Type: | instant

X
- Definition This is the result of the average balance during the period of total loans managed or securitized less securitized loans and loans that are in the process of being securitized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4 and FIN46(R)-8 -Paragraph B11 -Subparagraph b(6) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph i(4) + 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 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 8, 9 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Reflects the adjusted carrying amount of loans for which it is probable, based on current facts and circumstances, that a creditor will not initially be able to collect all amounts due according to the contractual terms of the loan agreement, or will not recover the previously reported carrying amount of the loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph j(ii) -Subsection I + Details
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- Definition Reflects the amount of interest income on impaired and nonperforming loans that was recognized as income during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph j(ii) -Subsection I Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 15 -Paragraph 40 + Details
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- Definition The allowance for other loan and lease losses represents the reserve to cover probable credit losses related to specifically identified other loans and leases, as well as probable credit losses inherent in the remainder of the other 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 other loan losses in connection with business combinations determined to be appropriate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 8,9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 5: 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 + Details
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