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Loans And Allowance For Credit Losses (Schedule Of Investment Of Accruing And Nonaccruing Loans Modified As Troubled Debt Restructurings) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment $ 5,552 $ 8,284 $ 6,659 $ 11,453 $ 183,800 $ 219,500  
Loans Receivable, Gross, Commercial and Industrial 11,898,852   11,898,852   11,898,852   11,256,945
Financing Receivable, Modifications, Recorded Investment 547,924   547,924   547,924   622,502
Loans and Leases Receivable, Gross, Consumer, Home Equity 2,123,913   2,123,913   2,123,913   2,177,680
Loans and Leases Receivable, Gross, Consumer, Mortgage 4,485,804   4,485,804   4,485,804   4,350,329
Loans and Leases Receivable, Gross, Consumer, Construction 321,839   321,839   321,839   321,235
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 315,487   315,487   315,487   306,428
Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment 385,428   385,428   385,428   407,026
Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 5,552 8,284 6,659 11,453      
Financing Receivable, Modifications, Recorded Investment 162,496   162,496   162,496   215,476
Commercial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 11,898,852   11,898,852   11,898,852   11,256,945
Consumer [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 2,123,913   2,123,913   2,123,913   2,177,680
Loans and Leases Receivable, Gross, Consumer, Mortgage 4,485,804   4,485,804   4,485,804   4,350,329
Loans and Leases Receivable, Gross, Consumer, Construction 321,839   321,839   321,839   321,235
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 315,487   315,487   315,487   306,428
Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 114 3 1,291      
Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Loans Receivable, Gross, Commercial and Industrial             77,443
Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 114 3 1,291      
Loans Receivable, Gross, Commercial and Industrial             25,879
Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 3,153 5,405 3,153 5,405      
Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment             59,983
Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 3,153 5,405 3,153 5,405      
Financing Receivable, Modifications, Recorded Investment             29,439
Commercial Loan [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 3,153 5,519 3,156 6,696      
Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment 134,352   134,352   134,352   137,426
Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 3,153 5,519 3,156 6,696      
Financing Receivable, Modifications, Recorded Investment 56,526   56,526   56,526   55,318
Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 2,765 0 2,765      
Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment             50,327
Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 2,765 0 2,765      
Financing Receivable, Modifications, Recorded Investment             89,851
Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 1,019 1,466      
Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment             159,323
Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 1,019 1,466      
Financing Receivable, Modifications, Recorded Investment             33,330
Commercial Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 2,765 1,019 4,231      
Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment 187,789   187,789   187,789   209,650
Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 2,765 1,019 4,231      
Financing Receivable, Modifications, Recorded Investment 72,433   72,433   72,433   123,181
Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 85 0      
Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment             7,227
Home Equity Line of Credit [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 85 0      
One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 2,399 0 2,399 526      
One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Loans and Leases Receivable, Gross, Consumer, Mortgage             49,577
One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 2,399 0 2,399 526      
Loans and Leases Receivable, Gross, Consumer, Mortgage             30,315
Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             3,142
Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             1,921
ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 2   2   2   4
ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             172
Consumer Loan [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 2,399 0 2,484 526      
Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 0 0 0 0      
Financing Receivable, Modifications, Recorded Investment 63,287   63,287   63,287   59,950
Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Subsequent Default, Recorded Investment 2,399 0 2,484 526      
Financing Receivable, Modifications, Recorded Investment 33,537   33,537   33,537   36,977
Maturity Or Term Extension [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 54,963   54,963   54,963   51,214
Maturity Or Term Extension [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 37,927   37,927   37,927   31,292
Maturity Or Term Extension [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 17,036   17,036   17,036   19,922
Maturity Or Term Extension [Member] | Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             6,139
Maturity Or Term Extension [Member] | Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             5,667
Maturity Or Term Extension [Member] | Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             12,104
Maturity Or Term Extension [Member] | Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             4,816
Maturity Or Term Extension [Member] | Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 12,669   12,669   12,669   18,243
Maturity Or Term Extension [Member] | Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 10,632   10,632   10,632   10,483
Maturity Or Term Extension [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             9,868
Maturity Or Term Extension [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             1,308
Maturity Or Term Extension [Member] | Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             1,854
Maturity Or Term Extension [Member] | Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             536
Maturity Or Term Extension [Member] | Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 22,982   22,982   22,982   11,722
Maturity Or Term Extension [Member] | Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,250   3,250   3,250   1,844
Maturity Or Term Extension [Member] | Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Maturity Or Term Extension [Member] | One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             1,324
Maturity Or Term Extension [Member] | One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             5,637
Maturity Or Term Extension [Member] | Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             0
Maturity Or Term Extension [Member] | Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             1,671
Maturity Or Term Extension [Member] | ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 2   2   2   3
Maturity Or Term Extension [Member] | ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Maturity Or Term Extension [Member] | Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 2,276   2,276   2,276   1,327
Maturity Or Term Extension [Member] | Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,154   3,154   3,154   7,595
Other Recorded Investment Resulting From Following Modification [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 90,704 [1]   90,704 [1]   90,704 [1]   94,645 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 62,883 [1]   62,883 [1]   62,883 [1]   71,947 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 27,821 [1]   27,821 [1]   27,821 [1]   22,698 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             17,647 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             2,035 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             9,305 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             7,643 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 25,526 [1]   25,526 [1]   25,526 [1]   26,952 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 15,711 [1]   15,711 [1]   15,711 [1]   9,678 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             8,432 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             1,807 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             32,302 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             9,389 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 32,923 [1]   32,923 [1]   32,923 [1]   40,734 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 7,145 [1]   7,145 [1]   7,145 [1]   11,196 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             300 [1]
Other Recorded Investment Resulting From Following Modification [Member] | One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             3,319 [1]
Other Recorded Investment Resulting From Following Modification [Member] | One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             1,693 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             641 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             0 [1]
Other Recorded Investment Resulting From Following Modification [Member] | ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0 [1]   0 [1]   0 [1]   1 [1]
Other Recorded Investment Resulting From Following Modification [Member] | ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 4,434 [1]   4,434 [1]   4,434 [1]   4,261 [1]
Other Recorded Investment Resulting From Following Modification [Member] | Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 4,965 [1]   4,965 [1]   4,965 [1]   1,824 [1]
Multiple Modification Types [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 265,895 [2]   265,895 [2]   265,895 [2]   336,117 [2]
Multiple Modification Types [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 178,554 [2]   178,554 [2]   178,554 [2]   210,110 [2]
Multiple Modification Types [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 87,341 [2]   87,341 [2]   87,341 [2]   126,007 [2]
Multiple Modification Types [Member] | Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             44,684 [2]
Multiple Modification Types [Member] | Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             17,379 [2]
Multiple Modification Types [Member] | Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             13,598 [2]
Multiple Modification Types [Member] | Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             7,803 [2]
Multiple Modification Types [Member] | Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 57,820 [2]   57,820 [2]   57,820 [2]   58,282 [2]
Multiple Modification Types [Member] | Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 23,913 [2]   23,913 [2]   23,913 [2]   25,182 [2]
Multiple Modification Types [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             30,248 [2]
Multiple Modification Types [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             68,481 [2]
Multiple Modification Types [Member] | Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             82,809 [2]
Multiple Modification Types [Member] | Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             17,718 [2]
Multiple Modification Types [Member] | Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 85,259 [2]   85,259 [2]   85,259 [2]   113,057 [2]
Multiple Modification Types [Member] | Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 46,456 [2]   46,456 [2]   46,456 [2]   86,199 [2]
Multiple Modification Types [Member] | Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             218 [2]
Multiple Modification Types [Member] | One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             36,199 [2]
Multiple Modification Types [Member] | One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             14,240 [2]
Multiple Modification Types [Member] | Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             2,354 [2]
Multiple Modification Types [Member] | Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             243 [2]
Multiple Modification Types [Member] | ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0 [2]   0 [2]   0 [2]   0 [2]
Multiple Modification Types [Member] | ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0 [2]
Multiple Modification Types [Member] | Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 35,475 [2]   35,475 [2]   35,475 [2]   38,771 [2]
Multiple Modification Types [Member] | Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 16,972 [2]   16,972 [2]   16,972 [2]   14,626 [2]
Interest Rate Below Market [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 81,798   81,798   81,798   91,884
Interest Rate Below Market [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 63,222   63,222   63,222   61,743
Interest Rate Below Market [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 18,576   18,576   18,576   30,141
Interest Rate Below Market [Member] | Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             5,388
Interest Rate Below Market [Member] | Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             318
Interest Rate Below Market [Member] | Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             20,963
Interest Rate Below Market [Member] | Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             3,822
Interest Rate Below Market [Member] | Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 26,008   26,008   26,008   26,351
Interest Rate Below Market [Member] | Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 1,429   1,429   1,429   4,140
Interest Rate Below Market [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             1,718
Interest Rate Below Market [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             18,255
Interest Rate Below Market [Member] | Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             30,118
Interest Rate Below Market [Member] | Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             3,042
Interest Rate Below Market [Member] | Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 33,313   33,313   33,313   31,836
Interest Rate Below Market [Member] | Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 12,525   12,525   12,525   21,297
Interest Rate Below Market [Member] | Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             744
Interest Rate Below Market [Member] | One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             2,665
Interest Rate Below Market [Member] | One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             4,697
Interest Rate Below Market [Member] | Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             147
Interest Rate Below Market [Member] | Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             7
Interest Rate Below Market [Member] | ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0   0
Interest Rate Below Market [Member] | ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Interest Rate Below Market [Member] | Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,901   3,901   3,901   3,556
Interest Rate Below Market [Member] | Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 4,622   4,622   4,622   4,704
Principal Forgiveness [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 30,866   30,866   30,866   29,033
Principal Forgiveness [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 25,910   25,910   25,910   20,323
Principal Forgiveness [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 4,956   4,956   4,956   8,710
Principal Forgiveness [Member] | Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             0
Principal Forgiveness [Member] | Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             0
Principal Forgiveness [Member] | Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Principal Forgiveness [Member] | Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             654
Principal Forgiveness [Member] | Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 999   999   999   0
Principal Forgiveness [Member] | Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 1,132   1,132   1,132   654
Principal Forgiveness [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             2
Principal Forgiveness [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Principal Forgiveness [Member] | Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             8,433
Principal Forgiveness [Member] | Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Principal Forgiveness [Member] | Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 8,361   8,361   8,361   8,435
Principal Forgiveness [Member] | Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0   0
Principal Forgiveness [Member] | Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             5,965
Principal Forgiveness [Member] | One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             5,923
Principal Forgiveness [Member] | One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             4,048
Principal Forgiveness [Member] | Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             0
Principal Forgiveness [Member] | Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             0
Principal Forgiveness [Member] | ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0   0
Principal Forgiveness [Member] | ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Principal Forgiveness [Member] | Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 16,550   16,550   16,550   11,888
Principal Forgiveness [Member] | Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,824   3,824   3,824   8,056
Payment Deferral [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 23,698   23,698   23,698   19,609
Payment Deferral [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 16,932   16,932   16,932   11,611
Payment Deferral [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 6,766   6,766   6,766   7,998
Payment Deferral [Member] | Commercial And Industrial [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             3,585
Payment Deferral [Member] | Commercial And Industrial [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial             480
Payment Deferral [Member] | Owner Occupied [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             4,013
Payment Deferral [Member] | Owner Occupied [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             4,701
Payment Deferral [Member] | Commercial Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 11,330   11,330   11,330   7,598
Payment Deferral [Member] | Commercial Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,709   3,709   3,709   5,181
Payment Deferral [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             59
Payment Deferral [Member] | Commercial Real Estate Construction Financing Receivable [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Payment Deferral [Member] | Term [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             3,807
Payment Deferral [Member] | Term [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             2,645
Payment Deferral [Member] | Commercial Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 4,951   4,951   4,951   3,866
Payment Deferral [Member] | Commercial Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,057   3,057   3,057   2,645
Payment Deferral [Member] | Home Equity Line of Credit [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             0
Payment Deferral [Member] | One Through Four Family Residential [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             147
Payment Deferral [Member] | One Through Four Family Residential [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage             0
Payment Deferral [Member] | Construction And Other Consumer Real Estate [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             0
Payment Deferral [Member] | Construction And Other Consumer Real Estate [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction             0
Payment Deferral [Member] | ERROR in label resolution. | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0   0
Payment Deferral [Member] | ERROR in label resolution. | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment             172
Payment Deferral [Member] | Consumer Loan [Member] | Accruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 651   651   651   147
Payment Deferral [Member] | Consumer Loan [Member] | Nonaccruing [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0   172
Nonaccruing [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 23,433   23,433   23,433    
Nonaccruing [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 33,093   33,093   33,093    
Nonaccruing [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 60,254   60,254   60,254    
Nonaccruing [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 12,179   12,179   12,179    
Nonaccruing [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 1,985   1,985   1,985    
Nonaccruing [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 29,188   29,188   29,188    
Nonaccruing [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 2,095   2,095   2,095    
Nonaccruing [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 269   269   269   287
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 7,947   7,947   7,947    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 2,685   2,685   2,685    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 2,790   2,790   2,790    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 460   460   460    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 0   0   0    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 1,942   1,942   1,942    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 943   943   943    
Nonaccruing [Member] | Maturity Or Term Extension [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 269   269   269   287
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 1,477 [1]   1,477 [1]   1,477 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 14,234 [1]   14,234 [1]   14,234 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 5,620 [1]   5,620 [1]   5,620 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 1,525 [1]   1,525 [1]   1,525 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 221 [1]   221 [1]   221 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 4,589 [1]   4,589 [1]   4,589 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 155 [1]   155 [1]   155 [1]    
Nonaccruing [Member] | Other Recorded Investment Resulting From Following Modification [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 0 [1]   0 [1]   0 [1]   0 [1]
Nonaccruing [Member] | Multiple Modification Types [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 13,684 [2]   13,684 [2]   13,684 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 10,229 [2]   10,229 [2]   10,229 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 39,631 [2]   39,631 [2]   39,631 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 6,825 [2]   6,825 [2]   6,825 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 131 [2]   131 [2]   131 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 15,849 [2]   15,849 [2]   15,849 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 992 [2]   992 [2]   992 [2]    
Nonaccruing [Member] | Multiple Modification Types [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 0 [2]   0 [2]   0 [2]   0 [2]
Nonaccruing [Member] | Interest Rate Below Market [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 108   108   108    
Nonaccruing [Member] | Interest Rate Below Market [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 1,321   1,321   1,321    
Nonaccruing [Member] | Interest Rate Below Market [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 12,213   12,213   12,213    
Nonaccruing [Member] | Interest Rate Below Market [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 312   312   312    
Nonaccruing [Member] | Interest Rate Below Market [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 0   0   0    
Nonaccruing [Member] | Interest Rate Below Market [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 4,617   4,617   4,617    
Nonaccruing [Member] | Interest Rate Below Market [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 5   5   5    
Nonaccruing [Member] | Interest Rate Below Market [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 0   0   0   0
Nonaccruing [Member] | Principal Forgiveness [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 0   0   0    
Nonaccruing [Member] | Principal Forgiveness [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 1,132   1,132   1,132    
Nonaccruing [Member] | Principal Forgiveness [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0    
Nonaccruing [Member] | Principal Forgiveness [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0    
Nonaccruing [Member] | Principal Forgiveness [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 1,633   1,633   1,633    
Nonaccruing [Member] | Principal Forgiveness [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 2,191   2,191   2,191    
Nonaccruing [Member] | Principal Forgiveness [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 0   0   0    
Nonaccruing [Member] | Principal Forgiveness [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card 0   0   0   0
Nonaccruing [Member] | Payment Deferral [Member] | Commercial And Industrial [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans Receivable, Gross, Commercial and Industrial 217   217   217    
Nonaccruing [Member] | Payment Deferral [Member] | Owner Occupied [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,492   3,492   3,492    
Nonaccruing [Member] | Payment Deferral [Member] | Commercial Real Estate Construction Financing Receivable [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 0   0   0    
Nonaccruing [Member] | Payment Deferral [Member] | Term [Member]
             
Financing Receivable, Modifications [Line Items]              
Financing Receivable, Modifications, Recorded Investment 3,057   3,057   3,057    
Nonaccruing [Member] | Payment Deferral [Member] | Home Equity Line of Credit [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Home Equity 0   0   0    
Nonaccruing [Member] | Payment Deferral [Member] | One Through Four Family Residential [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Mortgage 0   0   0    
Nonaccruing [Member] | Payment Deferral [Member] | Construction And Other Consumer Real Estate [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Construction 0   0   0    
Nonaccruing [Member] | Payment Deferral [Member] | Revolving Credit Facility [Member]
             
Financing Receivable, Modifications [Line Items]              
Loans and Leases Receivable, Gross, Consumer, Revolving, Credit Card $ 0   $ 0   $ 0   $ 0
[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.