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Loans And Allowance For Credit Losses (Summary Of Selected Information On TDRs That Includes Recorded Investment On An Accruing And Nonaccruing Basis By Loan Class And Modification Type) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment $ 837 $ 5,552 $ 1,054 $ 6,659 $ 141,300 $ 183,800  
Recorded investment resulting from the following modification types 423,363   423,363       481,434
1-4 family residential 4,827,067   4,827,067       4,736,665
Construction and other consumer real estate 338,170   338,170       324,922
Commercial and industrial 12,805,303   12,805,303       12,481,083
Home equity credit line 2,204,174   2,204,174       2,133,120
Bankcard and other revolving plans 376,366   376,366       356,240
Commercial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 12,805,303   12,805,303       12,481,083
Consumer Portfolio Segment [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 4,827,067   4,827,067       4,736,665
Construction and other consumer real estate 338,170   338,170       324,922
Home equity credit line 2,204,174   2,204,174       2,133,120
Bankcard and other revolving plans 376,366   376,366       356,240
Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 284 0 284 3      
Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 421 3,153 421 3,153      
Commercial Loan [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 705 3,153 705 3,156      
Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 1,019      
Commercial Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 1,019      
Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 217 85      
One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 49 2,399 49 2,399      
Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 83 0 83 0      
Consumer Loan [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 132 2,399 349 2,484      
Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 98,051   98,051        
Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 57,731   57,731        
Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 30,593   30,593        
Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 71,650   71,650        
Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 12,083   12,083        
Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 47,898   47,898        
Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 2,200   2,200        
Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 19,662   19,662        
Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 25,832   25,832        
Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 1,106   1,106       1,175
Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 22,359   22,359        
Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 11,350   11,350        
Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 903   903        
Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 21,143   21,143        
Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 802   802        
Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans 0   0       252
Interest Rate Below Market [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 55,044   55,044       59,284
Interest Rate Below Market [Member] | Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 338   338        
Interest Rate Below Market [Member] | Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 20,853   20,853        
Interest Rate Below Market [Member] | Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Interest Rate Below Market [Member] | Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 8,541   8,541        
Interest Rate Below Market [Member] | Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 742   742        
Interest Rate Below Market [Member] | Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 2,588   2,588        
Interest Rate Below Market [Member] | Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 118   118        
Interest Rate Below Market [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Interest Rate Below Market [Member] | Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 661   661        
Interest Rate Below Market [Member] | Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 3,351   3,351        
Interest Rate Below Market [Member] | Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types             0
Interest Rate Below Market [Member] | Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 11,396   11,396        
Interest Rate Below Market [Member] | Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 3,031   3,031        
Interest Rate Below Market [Member] | Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 0   0        
Interest Rate Below Market [Member] | Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 3,421   3,421        
Interest Rate Below Market [Member] | Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 4   4        
Interest Rate Below Market [Member] | Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans 0   0       0
Maturity Or Term Extension [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 30,391   30,391       43,069
Maturity Or Term Extension [Member] | Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 8,285   8,285        
Maturity Or Term Extension [Member] | Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 1,200   1,200        
Maturity Or Term Extension [Member] | Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 6,546   6,546        
Maturity Or Term Extension [Member] | Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 8,916   8,916        
Maturity Or Term Extension [Member] | Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Maturity Or Term Extension [Member] | Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 53   53        
Maturity Or Term Extension [Member] | Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 633   633        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 1,473   1,473        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 896   896        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 1,106   1,106       1,175
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 558   558        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 0   0        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 47   47        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 678   678        
Maturity Or Term Extension [Member] | Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans 0   0       252
Principal Forgiveness [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 21,700   21,700       32,616
Principal Forgiveness [Member] | Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 20   20        
Principal Forgiveness [Member] | Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 974   974        
Principal Forgiveness [Member] | Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Principal Forgiveness [Member] | Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 186   186        
Principal Forgiveness [Member] | Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 10,566   10,566        
Principal Forgiveness [Member] | Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 6,949   6,949        
Principal Forgiveness [Member] | Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 46   46        
Principal Forgiveness [Member] | Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 0   0        
Principal Forgiveness [Member] | Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 560   560        
Principal Forgiveness [Member] | Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0       0
Principal Forgiveness [Member] | Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Principal Forgiveness [Member] | Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Principal Forgiveness [Member] | Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 687   687        
Principal Forgiveness [Member] | Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 1,712   1,712        
Principal Forgiveness [Member] | Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 0   0        
Principal Forgiveness [Member] | Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans 0   0       0
Payment Deferral [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 12,793   12,793       14,006
Payment Deferral [Member] | Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 2,909   2,909        
Payment Deferral [Member] | Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 1,272   1,272        
Payment Deferral [Member] | Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 745   745        
Payment Deferral [Member] | Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 3,639   3,639        
Payment Deferral [Member] | Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Payment Deferral [Member] | Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 634   634        
Payment Deferral [Member] | Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 0   0        
Payment Deferral [Member] | Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 1,051   1,051        
Payment Deferral [Member] | Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 959   959        
Payment Deferral [Member] | Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0       0
Payment Deferral [Member] | Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0        
Payment Deferral [Member] | Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 1,420   1,420        
Payment Deferral [Member] | Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 0   0        
Payment Deferral [Member] | Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 164   164        
Payment Deferral [Member] | Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 0   0        
Payment Deferral [Member] | Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans 0   0       0
Other Recorded Investment Resulting From Following Modification [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 39,149 [1]   39,149 [1]       65,594 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 4,060 [1]   4,060 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 11,642 [1]   11,642 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 545 [1]   545 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 5,287 [1]   5,287 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 164 [1]   164 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 1,424 [1]   1,424 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 0 [1]   0 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 210 [1]   210 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 7,720 [1]   7,720 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0       0
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 3,373 [1]   3,373 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 329 [1]   329 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 216 [1]   216 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 4,179 [1]   4,179 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 0 [1]   0 [1]        
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans 0 [1]   0 [1]       0 [1]
Multiple Modification Types [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 264,286 [2]   264,286 [2]       266,865 [2]
Multiple Modification Types [Member] | Accruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 82,439 [2]   82,439 [2]        
Multiple Modification Types [Member] | Accruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 21,790 [2]   21,790 [2]        
Multiple Modification Types [Member] | Accruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 22,757 [2]   22,757 [2]        
Multiple Modification Types [Member] | Accruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 45,081 [2]   45,081 [2]        
Multiple Modification Types [Member] | Accruing [Member] | Home Equity Credit Line [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 611 [2]   611 [2]        
Multiple Modification Types [Member] | Accruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 36,250 [2]   36,250 [2]        
Multiple Modification Types [Member] | Accruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 1,403 [2]   1,403 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Commercial and industrial 16,267 [2]   16,267 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 12,346 [2]   12,346 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | Municipal [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 0   0       0
Multiple Modification Types [Member] | Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 7,032 [2]   7,032 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Recorded investment resulting from the following modification types 6,570 [2]   6,570 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Home equity credit line 0 [2]   0 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
1-4 family residential 11,620 [2]   11,620 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Construction and other consumer real estate 120 [2]   120 [2]        
Multiple Modification Types [Member] | Nonaccruing [Member] | ERROR in label resolution.
             
Financing Receivable, Modifications [Line Items]              
Bankcard and other revolving plans $ 0 [2]   $ 0 [2]       $ 0 [2]
[1] Includes TDRs that resulted from other modification types including, but not limited to, a legal judgment awarded on different terms, a bankruptcy plan confirmed on different terms, a settlement that includes the delivery of collateral in exchange for debt reduction, etc.
[2] Includes TDRs that resulted from a combination of any of the previous modification types.