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Loans And Leases (Aging Of The Outstanding Loans And Leases By Class Excluding Loans Impaired At Acquisition Date) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
31-60 days past due	$ 91,451	$ 208,900
61-90 days past due	73,578	65,607
Greater Than 90 Days	269,179	310,150
Total Past Due	434,208	584,657
Current	13,183,985	12,572,667
Total Loans and Leases	13,618,193	13,157,324
Covered Loans [Member]
31-60 days past due	63,991	145,189
61-90 days past due	59,313	40,670
Greater Than 90 Days	218,944	253,461
Total Past Due	342,248	439,320
Current	1,747,091	1,237,427
Total Loans and Leases	2,089,339	1,676,747
Covered Loans [Member] | Commercial Loans [Member] | Construction And Land Development [Member]
31-60 days past due	8,087	64,372
61-90 days past due	17,421	8,985
Greater Than 90 Days	46,356	73,997
Total Past Due	71,864	147,354
Current	182,942	118,078
Total Loans and Leases	254,806	265,432
Covered Loans [Member] | Non-Commercial Loans [Member] | Construction And Land Development [Member]
31-60 days past due		7,701
61-90 days past due	741
Greater Than 90 Days	16,777	36,412
Total Past Due	17,518	44,113
Current	22,603	17,432
Total Loans and Leases	40,121	61,545
Covered Loans [Member] | Commercial Mortgage [Member]
31-60 days past due	36,054	43,570
61-90 days past due	25,562	20,308
Greater Than 90 Days	108,136	88,525
Total Past Due	169,752	152,403
Current	1,017,107	816,421
Total Loans and Leases	1,186,859	968,824
Covered Loans [Member] | Other Commercial Real Estate [Member]
31-60 days past due	5,306	15,008
61-90 days past due	9,265	2,477
Greater Than 90 Days	7,918	20,453
Total Past Due	22,489	37,938
Current	115,770	138,019
Total Loans and Leases	138,259	175,957
Covered Loans [Member] | Residential Mortgage [Member]
31-60 days past due	10,148	4,459
61-90 days past due	2,952	1,352
Greater Than 90 Days	26,961	3,979
Total Past Due	40,061	9,790
Current	294,337	53,679
Total Loans and Leases	334,398	63,469
Covered Loans [Member] | Revolving Mortgage [Member]
31-60 days past due		382
61-90 days past due
Greater Than 90 Days		337
Total Past Due		719
Current	11,450	8,747
Total Loans and Leases	11,450	9,466
Covered Loans [Member] | Commercial And Industrial [Member]
31-60 days past due	4,369	9,267
61-90 days past due	3,093	5,899
Greater Than 90 Days	11,824	28,780
Total Past Due	19,286	43,946
Current	98,216	79,444
Total Loans and Leases	117,502	123,390
Covered Loans [Member] | Lease Financing [Member]
31-60 days past due
61-90 days past due
Greater Than 90 Days
Total Past Due
Current	218
Total Loans and Leases	218
Covered Loans [Member] | Consumer And Other [Member]
31-60 days past due	27	430
61-90 days past due	279	1,649
Greater Than 90 Days	972	978
Total Past Due	1,278	3,057
Current	4,448	5,607
Total Loans and Leases	5,726	8,664
Noncovered Loans [Member]
31-60 days past due	27,460	63,711
61-90 days past due	14,265	24,937
Greater Than 90 Days	50,235	56,689
Total Past Due	91,960	145,337
Current	11,436,894	11,335,240
Total Loans and Leases	11,528,854	11,480,577
Noncovered Loans [Member] | Commercial Loans [Member] | Construction And Land Development [Member]
31-60 days past due	876	3,047
61-90 days past due	763	6,092
Greater Than 90 Days	3,150	4,208
Total Past Due	4,789	13,347
Current	402,345	325,582
Total Loans and Leases	407,134	338,929
Noncovered Loans [Member] | Non-Commercial Loans [Member]
31-60 days past due	9,890	30,976
61-90 days past due	6,877	9,345
Greater Than 90 Days	22,271	27,061
Current	3,792,574	3,833,900
Noncovered Loans [Member] | Non-Commercial Loans [Member] | Construction And Land Development [Member]
31-60 days past due	381	1,445
61-90 days past due	1,120	548
Greater Than 90 Days	568	3,043
Total Past Due	2,069	5,036
Current	143,376	187,918
Total Loans and Leases	145,445	192,954
Noncovered Loans [Member] | Non-Commercial Loans [Member] | Residential Mortgage [Member]
31-60 days past due	3,376	13,051
61-90 days past due	2,897	4,762
Greater Than 90 Days	12,898	20,651
Current	806,439	840,328
Noncovered Loans [Member] | Non-Commercial Loans [Member] | Revolving Mortgage [Member]
31-60 days past due	3,500	3,682
61-90 days past due	1,732	1,424
Greater Than 90 Days	7,302	2,320
Current	2,291,153	2,226,427
Noncovered Loans [Member] | Non-Commercial Loans [Member] | Consumer [Member]
31-60 days past due	2,633	12,798
61-90 days past due	1,128	2,611
Greater Than 90 Days	1,503	1,047
Current	551,606	579,227
Noncovered Loans [Member] | Commercial Mortgage [Member]
31-60 days past due	12,985	22,913
61-90 days past due	5,580	7,521
Greater Than 90 Days	21,467	20,425
Total Past Due	40,032	50,859
Current	4,821,425	4,687,003
Total Loans and Leases	4,861,457	4,737,862
Noncovered Loans [Member] | Other Commercial Real Estate [Member]
31-60 days past due	270	35
61-90 days past due	54	290
Greater Than 90 Days	586	621
Total Past Due	910	946
Current	148,067	148,764
Total Loans and Leases	148,977	149,710
Noncovered Loans [Member] | Residential Mortgage [Member]
31-60 days past due	3,376	13,051
61-90 days past due	2,897	4,762
Greater Than 90 Days	12,898	20,651
Total Past Due	19,171	38,464
Current	806,439	840,328
Total Loans and Leases	825,610	878,792
Noncovered Loans [Member] | Revolving Mortgage [Member]
31-60 days past due	3,500	3,682
61-90 days past due	1,732	1,424
Greater Than 90 Days	7,302	2,320
Total Past Due	12,534	7,426
Current	2,291,153	2,226,427
Total Loans and Leases	2,303,687	2,233,853
Noncovered Loans [Member] | Commercial And Industrial [Member]
31-60 days past due	3,102	4,434
61-90 days past due	909	1,473
Greater Than 90 Days	2,402	3,744
Total Past Due	6,413	9,651
Current	1,799,399	1,859,839
Total Loans and Leases	1,805,812	1,869,490
Noncovered Loans [Member] | Consumer [Member]
31-60 days past due	2,633	12,798
61-90 days past due	1,128	2,611
Greater Than 90 Days	1,503	1,047
Total Past Due	5,264	16,456
Current	551,606	579,227
Total Loans and Leases	556,870	595,683
Noncovered Loans [Member] | Lease Financing [Member]
31-60 days past due	337	2,266
61-90 days past due	82	141
Greater Than 90 Days	359	630
Total Past Due	778	3,037
Current	302,326	298,252
Total Loans and Leases	303,104	301,289
Noncovered Loans [Member] | Other Loans [Member]
31-60 days past due		40
61-90 days past due		75
Greater Than 90 Days
Total Past Due		115
Current	170,758	181,900
Total Loans and Leases	$ 170,758	$ 182,015

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- Definition

Financing receivables that are less than 61 days past due but more than 30 days past due.

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Financing receivables that are less than 91 days past due but more than 60 days past due.

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Loans and leases receivable, net of impaired loans

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