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Allowance for Loan and Lease Losses (Allocation of Allowance for Loan and Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011 | Jun. 30, 2012 Construction and Land Development - Commercial | Jun. 30, 2011 Construction and Land Development - Commercial | Jun. 30, 2012 Construction and Land Development - Commercial | Jun. 30, 2011 Construction and Land Development - Commercial | Dec. 31, 2011 Construction and Land Development - Commercial | Jun. 30, 2012 Commercial Mortgage | Jun. 30, 2011 Commercial Mortgage | Jun. 30, 2012 Commercial Mortgage | Jun. 30, 2011 Commercial Mortgage | Dec. 31, 2011 Commercial Mortgage | Jun. 30, 2012 Other Commercial Real Estate | Jun. 30, 2011 Other Commercial Real Estate | Jun. 30, 2012 Other Commercial Real Estate | Jun. 30, 2011 Other Commercial Real Estate | Dec. 31, 2011 Other Commercial Real Estate | Jun. 30, 2012 Commercial and Industrial | Jun. 30, 2011 Commercial and Industrial | Jun. 30, 2012 Commercial and Industrial | Jun. 30, 2011 Commercial and Industrial | Dec. 31, 2011 Commercial and Industrial | Jun. 30, 2012 Lease Financing | Jun. 30, 2011 Lease Financing | Jun. 30, 2012 Lease Financing | Jun. 30, 2011 Lease Financing | Dec. 31, 2011 Lease Financing | Jun. 30, 2012 Other | Jun. 30, 2011 Other | Jun. 30, 2012 Other | Jun. 30, 2011 Other | Dec. 31, 2011 Other | Jun. 30, 2012 Revolving Mortgage | Jun. 30, 2012 Revolving Mortgage | Jun. 30, 2012 Residential Mortgage | Jun. 30, 2011 Residential Mortgage | Jun. 30, 2012 Residential Mortgage | Jun. 30, 2011 Residential Mortgage | Dec. 31, 2011 Residential Mortgage | Jun. 30, 2012 Construction and Land Development - Non - Commercial | Jun. 30, 2011 Construction and Land Development - Non - Commercial | Jun. 30, 2012 Construction and Land Development - Non - Commercial | Jun. 30, 2011 Construction and Land Development - Non - Commercial | Dec. 31, 2011 Construction and Land Development - Non - Commercial | Jun. 30, 2012 Consumer | Jun. 30, 2011 Consumer | Jun. 30, 2012 Consumer | Jun. 30, 2011 Consumer | Dec. 31, 2011 Consumer | Jun. 30, 2012 With A Recorded Allowance | Dec. 31, 2011 With A Recorded Allowance | Jun. 30, 2011 With A Recorded Allowance | Jun. 30, 2012 With A Recorded Allowance Construction and Land Development - Commercial | Dec. 31, 2011 With A Recorded Allowance Construction and Land Development - Commercial | Jun. 30, 2011 With A Recorded Allowance Construction and Land Development - Commercial | Jun. 30, 2012 With A Recorded Allowance Commercial Mortgage | Dec. 31, 2011 With A Recorded Allowance Commercial Mortgage | Jun. 30, 2011 With A Recorded Allowance Commercial Mortgage | Jun. 30, 2012 With A Recorded Allowance Other Commercial Real Estate | Dec. 31, 2011 With A Recorded Allowance Other Commercial Real Estate | Jun. 30, 2011 With A Recorded Allowance Other Commercial Real Estate | Jun. 30, 2012 With A Recorded Allowance Commercial and Industrial | Dec. 31, 2011 With A Recorded Allowance Commercial and Industrial | Jun. 30, 2011 With A Recorded Allowance Commercial and Industrial | Jun. 30, 2012 With A Recorded Allowance Lease Financing | Dec. 31, 2011 With A Recorded Allowance Lease Financing | Jun. 30, 2011 With A Recorded Allowance Lease Financing | Jun. 30, 2012 With A Recorded Allowance Other | Dec. 31, 2011 With A Recorded Allowance Other | Jun. 30, 2011 With A Recorded Allowance Other | Jun. 30, 2012 With A Recorded Allowance Revolving Mortgage | Jun. 30, 2012 With A Recorded Allowance Residential Mortgage | Dec. 31, 2011 With A Recorded Allowance Residential Mortgage | Jun. 30, 2011 With A Recorded Allowance Residential Mortgage | Jun. 30, 2012 With A Recorded Allowance Construction and Land Development - Non - Commercial | Dec. 31, 2011 With A Recorded Allowance Construction and Land Development - Non - Commercial | Jun. 30, 2011 With A Recorded Allowance Construction and Land Development - Non - Commercial | Jun. 30, 2012 With A Recorded Allowance Consumer | Dec. 31, 2011 With A Recorded Allowance Consumer | Jun. 30, 2011 With A Recorded Allowance Consumer | Jun. 30, 2012 With No Recorded Allowance | Dec. 31, 2011 With No Recorded Allowance | Jun. 30, 2011 With No Recorded Allowance | Jun. 30, 2012 With No Recorded Allowance Construction and Land Development - Commercial | Dec. 31, 2011 With No Recorded Allowance Construction and Land Development - Commercial | Jun. 30, 2011 With No Recorded Allowance Construction and Land Development - Commercial | Jun. 30, 2012 With No Recorded Allowance Commercial Mortgage | Dec. 31, 2011 With No Recorded Allowance Commercial Mortgage | Jun. 30, 2011 With No Recorded Allowance Commercial Mortgage | Jun. 30, 2012 With No Recorded Allowance Other Commercial Real Estate | Dec. 31, 2011 With No Recorded Allowance Other Commercial Real Estate | Jun. 30, 2011 With No Recorded Allowance Other Commercial Real Estate | Jun. 30, 2012 With No Recorded Allowance Commercial and Industrial | Dec. 31, 2011 With No Recorded Allowance Commercial and Industrial | Jun. 30, 2011 With No Recorded Allowance Commercial and Industrial | Jun. 30, 2012 With No Recorded Allowance Lease Financing | Dec. 31, 2011 With No Recorded Allowance Lease Financing | Jun. 30, 2011 With No Recorded Allowance Lease Financing | Jun. 30, 2012 With No Recorded Allowance Other | Dec. 31, 2011 With No Recorded Allowance Other | Jun. 30, 2011 With No Recorded Allowance Other | Jun. 30, 2012 With No Recorded Allowance Revolving Mortgage | Jun. 30, 2012 With No Recorded Allowance Residential Mortgage | Dec. 31, 2011 With No Recorded Allowance Residential Mortgage | Jun. 30, 2011 With No Recorded Allowance Residential Mortgage | Jun. 30, 2012 With No Recorded Allowance Construction and Land Development - Non - Commercial | Dec. 31, 2011 With No Recorded Allowance Construction and Land Development - Non - Commercial | Jun. 30, 2011 With No Recorded Allowance Construction and Land Development - Non - Commercial | Jun. 30, 2012 With No Recorded Allowance Consumer | Dec. 31, 2011 With No Recorded Allowance Consumer | Jun. 30, 2011 With No Recorded Allowance Consumer | Jun. 30, 2012 Noncovered Loans | Mar. 31, 2012 Noncovered Loans | Jun. 30, 2012 Covered Loans With No Recorded Allowance
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total impaired noncovered loans and leases | $ 191,890 | $ 129,188 | $ 191,890 | $ 129,188 | $ 122,135 | $ 27,173 | $ 28,274 | $ 27,173 | $ 28,274 | $ 24,994 | $ 117,967 | $ 69,806 | $ 117,967 | $ 69,806 | $ 65,527 | $ 3,709 | $ 1,770 | $ 3,709 | $ 1,770 | $ 2,580 | $ 13,927 | $ 14,063 | $ 13,927 | $ 14,063 | $ 14,268 | $ 292 | $ 617 | $ 292 | $ 617 | $ 322 | $ 742 | $ 0 | $ 742 | $ 0 | $ 0 | $ 3,594 | $ 3,594 | $ 17,920 | $ 11,102 | $ 17,920 | $ 11,102 | $ 9,776 | $ 3,458 | $ 2,562 | $ 3,458 | $ 2,562 | $ 3,676 | $ 3,108 | $ 994 | $ 3,108 | $ 994 | $ 992 | $ 97,691 | $ 102,162 | $ 115,471 | $ 8,700 | $ 24,994 | $ 27,237 | $ 64,016 | $ 53,687 | $ 64,272 | $ 1,218 | $ 1,558 | $ 1,770 | $ 5,923 | $ 7,157 | $ 6,917 | $ 292 | $ 322 | $ 617 | $ 0 | $ 0 | $ 0 | $ 1,240 | $ 13,076 | $ 9,776 | $ 11,102 | $ 1,311 | $ 3,676 | $ 2,562 | $ 1,915 | $ 992 | $ 994 | $ 94,199 | $ 19,973 | $ 13,717 | $ 18,473 | $ 0 | $ 1,037 | $ 53,951 | $ 11,840 | $ 5,534 | $ 2,491 | $ 1,022 | $ 0 | $ 8,004 | $ 7,111 | $ 7,146 | $ 0 | $ 0 | $ 0 | $ 742 | $ 0 | $ 0 | $ 2,354 | $ 4,844 | $ 0 | $ 0 | $ 2,147 | $ 0 | $ 0 | $ 1,193 | $ 0 | $ 0 |  |  |
Impaired noncovered loans and leases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,826 | 6,122 | 11,925 | 1,555 | 1,027 | 5,526 | 8,811 | 3,813 | 5,272 | 435 | 114 | 56 | 2,070 | 549 | 430 | 66 | 16 | 48 | 0 | 0 | 0 | 51 | 1,380 | 411 | 455 | 205 | 145 | 93 | 253 | 47 | 45 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average balance | 207,729 | 118,635 | 159,720 | 118,978 |  | 32,549 | 28,541 | 27,118 | 28,819 |  | 123,944 | 65,763 | 92,357 | 65,937 |  | 4,181 | 1,358 | 3,140 | 1,227 |  | 15,267 | 10,953 | 14,135 | 12,454 |  | 420 | 790 | 339 | 758 |  | 247 | 0 | 124 | 38 |  | 3,904 | 1,956 | 21,022 | 9,144 | 15,298 | 8,150 |  | 3,858 | 1,538 | 3,518 | 1,196 |  | 2,337 | 548 | 1,735 | 399 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unpaid principal balance | 213,109 | 129,842 | 213,109 | 129,842 | 129,842 | 44,157 | 28,475 | 44,157 | 28,475 | 28,475 | 121,543 | 70,259 | 121,543 | 70,259 | 70,259 | 3,871 | 1,770 | 3,871 | 1,770 | 1,770 | 13,988 | 14,063 | 13,988 | 14,063 | 14,063 | 292 | 617 | 292 | 617 | 617 | 742 | 0 | 742 | 0 | 0 | 3,594 | 3,594 | 18,355 | 11,102 | 18,355 | 11,102 | 11,102 | 3,458 | 2,562 | 3,458 | 2,562 | 2,562 | 3,109 | 994 | 3,109 | 994 | 994 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income recognized | 1,652 | 608 | 2,193 | 1,673 |  | 249 | 32 | 283 | 104 |  | 1,062 | 340 | 1,414 | 1,078 |  | 48 | 15 | 48 | 25 |  | 66 | 58 | 120 | 223 |  | 3 | 0 | 4 | 12 |  | 13 | 0 | 13 | 0 |  | 20 | 20 | 154 | 116 | 234 | 176 |  | 31 | 39 | 50 | 45 |  | 6 | 8 | 7 | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Troubled debt restructurings | 308,038 |  | 308,038 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,810 |  |
Amount of individual loan impairment analysis in estimation methodology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75,579 |  |
Threshold amount for individual impairment analysis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500 | 1,000 |
Loans with an adverse change in expected cash flows |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 681,181

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- Definition Loans and Leases Receivable, Gross, Carrying Amount with No Adverse Change in Expected Cash Flows + References No definition available. + Details
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- Definition Receivables, Change in Method of Calculating Impairment, Recorded Investment + References No definition available. + Details
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- Definition Receivables, Change in Method of Calculating Impairment, Threshold Amount + References No definition available. + Details
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- Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953670-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953676-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554 + Details
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- Definition The average recorded investment related to impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 -Subparagraph (c)(1) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5258-111524 + Details
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- Definition The interest income recognized during the time within that period that the financing receivables were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 -Subparagraph (c)(2) + Details
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- Definition The recorded investment related to impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953550-111524 -Subparagraph (b) + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 -Subparagraph (a)(3) + Details
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- Definition The unpaid principal balance related to impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 + Details
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