LOANS AND LEASES (Composition Of The Loans And Leases Outstanding At By Credit Quality Indicator) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Not covered under loss share agreements in loans and leases	$ 11,581,637		$ 11,480,577
Total covered loans acquired	2,362,152	[1]	2,007,452	[1]
Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	7,866,572		7,579,295
Total covered loans acquired	1,872,685		1,802,132
Non-Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	3,715,065		3,901,282
Total covered loans acquired	489,467		205,320
Construction And Land Development [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	381,163		338,929
Total covered loans acquired	338,873		368,420
Construction And Land Development [Member] | Non-Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	137,271		192,954
Total covered loans acquired	105,536		105,805
Commercial Mortgage [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	5,104,993		4,737,862
Total covered loans acquired	1,260,589		1,089,064
Other Commercial Real Estate [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	144,771		149,710
Total covered loans acquired	158,394		210,661
Commercial And Industrial [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	1,764,407		1,869,490
Total covered loans acquired	113,442		132,477
Lease Financing [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	312,869		301,289
Total covered loans acquired	57		0
Residential Mortgage [Member] | Non-Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	784,118		878,792
Total covered loans acquired	327,568		74,495
Revolving Mortgage [Member] | Non-Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	2,296,306		2,233,853
Total covered loans acquired	51,552		17,866
Consumer [Member] | Non-Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	497,370		595,683
Total covered loans acquired	4,811		7,154
Other Loans [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	158,369		182,015
Total covered loans acquired	1,330		1,510
Impaired At Acquisition Date [Member]
Total covered loans acquired	458,305		330,705
Impaired At Acquisition Date [Member] | Commercial Loans [Member]
Total covered loans acquired	317,240		267,019
Impaired At Acquisition Date [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	141,065		63,686
Impaired At Acquisition Date [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	117,603		102,988
Impaired At Acquisition Date [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	78,108		44,260
Impaired At Acquisition Date [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Total covered loans acquired	138,465		120,240
Impaired At Acquisition Date [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Total covered loans acquired	33,370		34,704
Impaired At Acquisition Date [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Total covered loans acquired	27,802		9,087
Impaired At Acquisition Date [Member] | Lease Financing [Member] | Commercial Loans [Member]
Total covered loans acquired	0		0
Impaired At Acquisition Date [Member] | Residential Mortgage [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	46,130		11,026
Impaired At Acquisition Date [Member] | Revolving Mortgage [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	15,350		8,400
Impaired At Acquisition Date [Member] | Consumer [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	1,477		0
Impaired At Acquisition Date [Member] | Other Loans [Member] | Commercial Loans [Member]
Total covered loans acquired	0		0
All Other Acquired Loans [Member]
Total covered loans acquired	1,903,847		1,676,747
All Other Acquired Loans [Member] | Commercial Loans [Member]
Total covered loans acquired	1,555,445		1,535,113
All Other Acquired Loans [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	348,402		141,634
All Other Acquired Loans [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	221,270		265,432
All Other Acquired Loans [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	27,428		61,545
All Other Acquired Loans [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Total covered loans acquired	1,122,124		968,824
All Other Acquired Loans [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Total covered loans acquired	125,024		175,957
All Other Acquired Loans [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Total covered loans acquired	85,640		123,390
All Other Acquired Loans [Member] | Lease Financing [Member] | Commercial Loans [Member]
Total covered loans acquired	57		0
All Other Acquired Loans [Member] | Residential Mortgage [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	281,438		63,469
All Other Acquired Loans [Member] | Revolving Mortgage [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	36,202		9,466
All Other Acquired Loans [Member] | Consumer [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	3,334		7,154
All Other Acquired Loans [Member] | Other Loans [Member] | Commercial Loans [Member]
Total covered loans acquired	1,330		1,510
Pass [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	7,232,547		6,920,487
Pass [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	332,742		285,988
Pass [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	4,749,254		4,390,634
Pass [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	130,586		137,570
Pass [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	1,556,651		1,633,775
Pass [Member] | Lease Financing [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	306,225		291,476
Pass [Member] | Other Loans [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	157,089		181,044
Special Mention [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	287,788		307,442
Special Mention [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	18,973		20,957
Special Mention [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	220,235		229,581
Special Mention [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	5,821		6,531
Special Mention [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	36,951		42,639
Special Mention [Member] | Lease Financing [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	4,537		6,888
Special Mention [Member] | Other Loans [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	1,271		846
Substandard [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	196,325		170,328
Substandard [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	28,793		29,714
Substandard [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	129,391		108,239
Substandard [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	7,794		5,103
Substandard [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	28,240		24,686
Substandard [Member] | Lease Financing [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	2,107		2,496
Substandard [Member] | Other Loans [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	0		90
Doubtful [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	2,201		11,761
Doubtful [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	17		2,270
Doubtful [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	1,164		7,928
Doubtful [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	377		401
Doubtful [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	643		748
Doubtful [Member] | Lease Financing [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	0		414
Doubtful [Member] | Other Loans [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	0		0
Ungraded [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	147,711		169,277
Ungraded [Member] | Tobacco Buyout Loans [Member]
Not covered under loss share agreements in loans and leases	63,129
Ungraded [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	638		0
Ungraded [Member] | Commercial Mortgage [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	4,949		1,480
Ungraded [Member] | Other Commercial Real Estate [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	193		105
Ungraded [Member] | Commercial And Industrial [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	141,922		167,642
Ungraded [Member] | Lease Financing [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	0		15
Ungraded [Member] | Other Loans [Member] | Commercial Loans [Member]
Not covered under loss share agreements in loans and leases	9		35
Covered Loans [Member]
Total covered loans acquired	2,362,152		2,007,452
Covered Loans [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	338,873		368,420
Covered Loans [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	105,536		105,805
Covered Loans [Member] | Commercial Mortgage [Member]
Total covered loans acquired	1,260,589		1,089,064
Covered Loans [Member] | Other Commercial Real Estate [Member]
Total covered loans acquired	158,394		210,661
Covered Loans [Member] | Commercial And Industrial [Member]
Total covered loans acquired	113,442		132,477
Covered Loans [Member] | Lease Financing [Member]
Total covered loans acquired	57		0
Covered Loans [Member] | Residential Mortgage [Member]
Total covered loans acquired	327,568		74,495
Covered Loans [Member] | Revolving Mortgage [Member]
Total covered loans acquired	51,552		17,866
Covered Loans [Member] | Consumer And Other [Member]
Total covered loans acquired	6,141		8,664
Covered Loans [Member] | Pass [Member]
Total covered loans acquired	743,881		703,426
Covered Loans [Member] | Pass [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	29,321		98,449
Covered Loans [Member] | Pass [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	4,958		0
Covered Loans [Member] | Pass [Member] | Commercial Mortgage [Member]
Total covered loans acquired	397,526		430,526
Covered Loans [Member] | Pass [Member] | Other Commercial Real Estate [Member]
Total covered loans acquired	49,259		77,162
Covered Loans [Member] | Pass [Member] | Commercial And Industrial [Member]
Total covered loans acquired	36,409		46,450
Covered Loans [Member] | Pass [Member] | Lease Financing [Member]
Total covered loans acquired	57		0
Covered Loans [Member] | Pass [Member] | Residential Mortgage [Member]
Total covered loans acquired	189,794		39,492
Covered Loans [Member] | Pass [Member] | Revolving Mortgage [Member]
Total covered loans acquired	34,164		5,051
Covered Loans [Member] | Pass [Member] | Consumer And Other [Member]
Total covered loans acquired	2,393		6,296
Covered Loans [Member] | Special Mention [Member]
Total covered loans acquired	550,617		454,249
Covered Loans [Member] | Special Mention [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	92,758		90,203
Covered Loans [Member] | Special Mention [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	13,394		3,549
Covered Loans [Member] | Special Mention [Member] | Commercial Mortgage [Member]
Total covered loans acquired	348,482		261,273
Covered Loans [Member] | Special Mention [Member] | Other Commercial Real Estate [Member]
Total covered loans acquired	33,754		40,756
Covered Loans [Member] | Special Mention [Member] | Commercial And Industrial [Member]
Total covered loans acquired	32,257		36,566
Covered Loans [Member] | Special Mention [Member] | Lease Financing [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Special Mention [Member] | Residential Mortgage [Member]
Total covered loans acquired	25,464		17,041
Covered Loans [Member] | Special Mention [Member] | Revolving Mortgage [Member]
Total covered loans acquired	3,566		3,630
Covered Loans [Member] | Special Mention [Member] | Consumer And Other [Member]
Total covered loans acquired	942		1,231
Covered Loans [Member] | Substandard [Member]
Total covered loans acquired	787,309		596,855
Covered Loans [Member] | Substandard [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	125,158		79,631
Covered Loans [Member] | Substandard [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	72,349		67,594
Covered Loans [Member] | Substandard [Member] | Commercial Mortgage [Member]
Total covered loans acquired	427,996		326,036
Covered Loans [Member] | Substandard [Member] | Other Commercial Real Estate [Member]
Total covered loans acquired	58,351		65,896
Covered Loans [Member] | Substandard [Member] | Commercial And Industrial [Member]
Total covered loans acquired	21,914		41,936
Covered Loans [Member] | Substandard [Member] | Lease Financing [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Substandard [Member] | Residential Mortgage [Member]
Total covered loans acquired	70,582		11,609
Covered Loans [Member] | Substandard [Member] | Revolving Mortgage [Member]
Total covered loans acquired	9,863		3,462
Covered Loans [Member] | Substandard [Member] | Consumer And Other [Member]
Total covered loans acquired	1,096		691
Covered Loans [Member] | Doubtful [Member]
Total covered loans acquired	246,308		248,974
Covered Loans [Member] | Doubtful [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	87,936		100,137
Covered Loans [Member] | Doubtful [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	14,835		34,662
Covered Loans [Member] | Doubtful [Member] | Commercial Mortgage [Member]
Total covered loans acquired	84,871		71,175
Covered Loans [Member] | Doubtful [Member] | Other Commercial Real Estate [Member]
Total covered loans acquired	17,030		26,847
Covered Loans [Member] | Doubtful [Member] | Commercial And Industrial [Member]
Total covered loans acquired	22,862		7,525
Covered Loans [Member] | Doubtful [Member] | Lease Financing [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Doubtful [Member] | Residential Mortgage [Member]
Total covered loans acquired	13,833		6,353
Covered Loans [Member] | Doubtful [Member] | Revolving Mortgage [Member]
Total covered loans acquired	3,959		1,837
Covered Loans [Member] | Doubtful [Member] | Consumer And Other [Member]
Total covered loans acquired	982		438
Covered Loans [Member] | Ungraded [Member]
Total covered loans acquired	34,037		3,948
Covered Loans [Member] | Ungraded [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Total covered loans acquired	3,700		0
Covered Loans [Member] | Ungraded [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Ungraded [Member] | Commercial Mortgage [Member]
Total covered loans acquired	1,714		54
Covered Loans [Member] | Ungraded [Member] | Other Commercial Real Estate [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Ungraded [Member] | Commercial And Industrial [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Ungraded [Member] | Lease Financing [Member]
Total covered loans acquired	0		0
Covered Loans [Member] | Ungraded [Member] | Residential Mortgage [Member]
Total covered loans acquired	27,895		0
Covered Loans [Member] | Ungraded [Member] | Revolving Mortgage [Member]
Total covered loans acquired	0		3,886
Covered Loans [Member] | Ungraded [Member] | Consumer And Other [Member]
Total covered loans acquired	728		8
Noncovered Loans [Member]
Current	11,481,709
31-60 days past due	46,999
61-90 days past due	13,647
Over 90 days past due	39,282
Loans and Leases Receivable, Net of Impaired Loans	11,581,637
Noncovered Loans [Member] | Non-Commercial Loans [Member]
Current	3,670,540		3,833,900
31-60 days past due	19,539		30,976
61-90 days past due	6,126		9,345
Over 90 days past due	18,860		27,061
Loans and Leases Receivable, Net of Impaired Loans	3,715,065		3,901,282
Noncovered Loans [Member] | Construction And Land Development [Member] | Commercial Loans [Member]
Current	374,869		325,582
31-60 days past due	2,623		3,047
61-90 days past due	1,494		6,092
Over 90 days past due	2,177		4,208
Loans and Leases Receivable, Net of Impaired Loans	381,163
Noncovered Loans [Member] | Construction And Land Development [Member] | Non-Commercial Loans [Member]
Current	135,774		187,918
31-60 days past due	798		1,445
61-90 days past due	127		548
Over 90 days past due	572		3,043
Loans and Leases Receivable, Net of Impaired Loans	137,271		192,954
Noncovered Loans [Member] | Commercial Mortgage [Member]
Current	5,066,621		4,687,003
31-60 days past due	18,308		22,913
61-90 days past due	4,438		7,521
Over 90 days past due	15,626		20,425
Loans and Leases Receivable, Net of Impaired Loans	5,104,993
Noncovered Loans [Member] | Other Commercial Real Estate [Member]
Current	143,406		148,764
31-60 days past due	657		35
61-90 days past due	147		290
Over 90 days past due	561		621
Loans and Leases Receivable, Net of Impaired Loans	144,771
Noncovered Loans [Member] | Commercial And Industrial [Member]
Current	1,756,504		1,859,839
31-60 days past due	5,235		4,434
61-90 days past due	1,230		1,473
Over 90 days past due	1,438		3,744
Loans and Leases Receivable, Net of Impaired Loans	1,764,407
Noncovered Loans [Member] | Lease Financing [Member]
Current	311,400		298,252
31-60 days past due	637		2,266
61-90 days past due	212		141
Over 90 days past due	620		630
Loans and Leases Receivable, Net of Impaired Loans	312,869
Noncovered Loans [Member] | Residential Mortgage [Member]
Current	757,113		840,328
31-60 days past due	11,790		13,051
61-90 days past due	2,686		4,762
Over 90 days past due	12,529		20,651
Loans and Leases Receivable, Net of Impaired Loans	784,118
Noncovered Loans [Member] | Residential Mortgage [Member] | Non-Commercial Loans [Member]
Current	757,113		840,328
31-60 days past due	11,790		13,051
61-90 days past due	2,686		4,762
Over 90 days past due	12,529		20,651
Loans and Leases Receivable, Net of Impaired Loans	784,118		878,792
Noncovered Loans [Member] | Revolving Mortgage [Member]
Current	2,286,511		2,226,427
31-60 days past due	3,437		3,682
61-90 days past due	2,042		1,424
Over 90 days past due	4,316		2,320
Loans and Leases Receivable, Net of Impaired Loans	2,296,306
Noncovered Loans [Member] | Revolving Mortgage [Member] | Non-Commercial Loans [Member]
Current	2,286,511		2,226,427
31-60 days past due	3,437		3,682
61-90 days past due	2,042		1,424
Over 90 days past due	4,316		2,320
Loans and Leases Receivable, Net of Impaired Loans	2,296,306		2,233,853
Noncovered Loans [Member] | Consumer [Member]
Current	491,142		579,227
31-60 days past due	3,514		12,798
61-90 days past due	1,271		2,611
Over 90 days past due	1,443		1,047
Loans and Leases Receivable, Net of Impaired Loans	497,370
Noncovered Loans [Member] | Consumer [Member] | Non-Commercial Loans [Member]
Current	491,142		579,227
31-60 days past due	3,514		12,798
61-90 days past due	1,271		2,611
Over 90 days past due	1,443		1,047
Loans and Leases Receivable, Net of Impaired Loans	497,370		595,683
Noncovered Loans [Member] | Other Loans [Member]
Current	158,369		181,900
31-60 days past due	0		40
61-90 days past due	0		75
Over 90 days past due	0		0
Loans and Leases Receivable, Net of Impaired Loans	$ 158,369

[1] Covered loans are acquired loans subject to loss share agreements with the FDIC.