Quarterly report pursuant to Section 13 or 15(d)

Loans and Leases And Allowance For Credit Losses (Details 4)

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Loans and Leases And Allowance For Credit Losses (Details 4) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality $ 3,081   $ 2,440      
Attributable to loans individually evaluated for impairment 88,586   60,440      
Attributable to loans collectively evaluated for impairment 543,434   584,990      
Total ALLL balance, end of period 635,101 631,918 647,870 733,076 746,769 769,075
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 95,084   120,226      
Individually evaluated for impairment 1,141,705   1,011,721      
Collectively evaluated for impairment 44,842,986   41,988,553      
Total loans evaluated for impairment 46,079,775   43,120,500      
Commercial and Industrial [Member]
            
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality 2,858   2,404      
Attributable to loans individually evaluated for impairment 15,902   6,129      
Attributable to loans collectively evaluated for impairment 259,752   257,268      
Total ALLL balance, end of period 278,512 266,979 265,801 233,679 238,098 241,051
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 35,377   35,526      
Individually evaluated for impairment 157,727   108,316      
Collectively evaluated for impairment 18,706,354   17,450,434      
Total loans evaluated for impairment 18,899,458   17,594,276      
Commercial Real Estate [Member]
            
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality 0   0      
Attributable to loans individually evaluated for impairment 27,524   34,935      
Attributable to loans collectively evaluated for impairment 109,822   127,622      
Total ALLL balance, end of period 137,346 160,306 162,557 255,849 267,436 285,369
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 57,295   82,073      
Individually evaluated for impairment 269,301   268,362      
Collectively evaluated for impairment 4,663,721   4,499,659      
Total loans evaluated for impairment 4,990,317   4,850,094      
Automobile Loan [Member]
            
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality 0   0      
Attributable to loans individually evaluated for impairment 1,017   682      
Attributable to loans collectively evaluated for impairment 26,141   30,371      
Total ALLL balance, end of period 27,158 25,178 31,053 39,990 35,973 34,979
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 0   0      
Individually evaluated for impairment 36,120   37,084      
Collectively evaluated for impairment 7,649,605   6,601,629      
Total loans evaluated for impairment 7,685,725   6,638,713      
Home Equity [Member]
            
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality 0   0      
Attributable to loans individually evaluated for impairment 22,680   8,003      
Attributable to loans collectively evaluated for impairment 83,263   103,128      
Total ALLL balance, end of period 105,943 113,177 111,131 115,626 115,858 118,764
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 0   0      
Individually evaluated for impairment 269,539   208,981      
Collectively evaluated for impairment 8,135,539   8,127,337      
Total loans evaluated for impairment 8,405,078   8,336,318      
Residential Mortgage [Member]
            
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality 213   36      
Attributable to loans individually evaluated for impairment 21,338   10,555      
Attributable to loans collectively evaluated for impairment 25,640   28,986      
Total ALLL balance, end of period 47,191 39,068 39,577 63,802 63,062 61,658
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 2,359   2,498      
Individually evaluated for impairment 405,402   387,937      
Collectively evaluated for impairment 5,299,663   4,930,653      
Total loans evaluated for impairment 5,707,424   5,321,088      
Other Consumer loan [Member]
            
Portion of ALLL ending balance            
Attributable to loans purchased with deteriorated credit quality 10   0      
Attributable to loans individually evaluated for impairment 125   136      
Attributable to loans collectively evaluated for impairment 38,816   37,615      
Total ALLL balance, end of period 38,951 27,210 37,751 24,130 26,342 27,254
Portion of loans and leases ending balance            
Purchased with deteriorated credit quality 53   129      
Individually evaluated for impairment 3,616   1,041      
Collectively evaluated for impairment 388,104   378,841      
Total loans evaluated for impairment $ 391,773   $ 380,011