ALLOWANCE FOR LOAN AND LEASE LOSSES (Summary Of Activity In Allowance For Loan And Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 270,144	$ 227,765	$ 172,282
Provision	142,885	232,277	143,519
Adoption of change in accounting for QSPE			681
Charge-offs	(100,478)	(196,840)	(95,316)
Recoveries	6,467	6,942	6,599
Net charge-offs	(94,011)	(189,898)	(88,717)
Ending balance	319,018	270,144	227,765
Net loans and leases	13,066,332	13,673,645
Construction and Land Development - Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	16,057	24,994
Commercial Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	111,808	65,527
Other Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	3,248	2,580
Commercial and Industrial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	18,800	14,268
Lease Financing [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	746	322
Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	707	0
Residential Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	13,586	9,776
Revolving Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	4,203	0
Construction and Land Development - Noncommercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	1,320	3,676
Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Ending balance	2,509	992
Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	180,883	176,517	168,782
Provision	42,046	57,799	56,647
Adoption of change in accounting for QSPE			681
Charge-offs	(50,208)	(59,287)	(55,783)
Recoveries	6,325	5,854	6,190
Net charge-offs	(43,883)	(53,433)	(49,593)
Ending balance	179,046	180,883	176,517
ALLL for loans and leases individually evaluated for impairment	(18,355)	(7,962)
ALLL for loans and leases collectively evaluated for impairment	144,841	158,799
Loans and leases individually evaluated for impairment	202,253	156,301
Loans and leases collectively evaluated for impairment	11,373,862	11,425,336
Non-specific ALLL	15,850	14,122
Total allowance for loan and lease losses	179,046	180,883
Net loans and leases	11,576,115	11,581,637
Noncovered Loans [Member] | Construction and Land Development - Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,467	10,512
Provision	9,665	5,926
Charge-offs	(9,546)	(11,189)
Recoveries	445	218
Ending balance	6,031	5,467
ALLL for loans and leases individually evaluated for impairment	(2,469)	(1,139)
ALLL for loans and leases collectively evaluated for impairment	3,562	4,328
Loans and leases individually evaluated for impairment	17,075	26,782
Loans and leases collectively evaluated for impairment	292,115	354,381
Non-specific ALLL	0	0
Total allowance for loan and lease losses	6,031	5,467
Net loans and leases	309,190	381,163
Noncovered Loans [Member] | Commercial Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	67,486	64,772
Provision	8,896	8,744
Charge-offs	(7,081)	(6,975)
Recoveries	1,626	945
Ending balance	70,927	67,486
ALLL for loans and leases individually evaluated for impairment	(11,697)	(5,266)
ALLL for loans and leases collectively evaluated for impairment	59,230	62,220
Loans and leases individually evaluated for impairment	133,804	92,872
Loans and leases collectively evaluated for impairment	5,208,035	5,012,121
Non-specific ALLL	0	0
Total allowance for loan and lease losses	70,927	67,486
Net loans and leases	5,341,839	5,104,993
Noncovered Loans [Member] | Other Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,169	2,200
Provision	130	(30)
Charge-offs	(254)	(24)
Recoveries	14	23
Ending balance	2,059	2,169
ALLL for loans and leases individually evaluated for impairment	(298)	(283)
ALLL for loans and leases collectively evaluated for impairment	1,761	1,886
Loans and leases individually evaluated for impairment	3,375	5,686
Loans and leases collectively evaluated for impairment	157,605	139,085
Non-specific ALLL	0	0
Total allowance for loan and lease losses	2,059	2,169
Net loans and leases	160,980	144,771
Noncovered Loans [Member] | Commercial and Industrial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	23,723	24,089
Provision	4,320	4,488
Charge-offs	(5,472)	(5,879)
Recoveries	781	1,025
Ending balance	23,352	23,723
ALLL for loans and leases individually evaluated for impairment	(2,133)	(640)
ALLL for loans and leases collectively evaluated for impairment	21,219	23,083
Loans and leases individually evaluated for impairment	22,619	15,996
Loans and leases collectively evaluated for impairment	1,703,507	1,748,411
Non-specific ALLL	0	0
Total allowance for loan and lease losses	23,352	23,723
Net loans and leases	1,726,126	1,764,407
Noncovered Loans [Member] | Lease Financing [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,288	3,384
Provision	498	350
Charge-offs	(361)	(579)
Recoveries	96	133
Ending balance	3,521	3,288
ALLL for loans and leases individually evaluated for impairment	(202)	(17)
ALLL for loans and leases collectively evaluated for impairment	3,319	3,271
Loans and leases individually evaluated for impairment	804	328
Loans and leases collectively evaluated for impairment	329,875	312,541
Non-specific ALLL	0	0
Total allowance for loan and lease losses	3,521	3,288
Net loans and leases	330,679	312,869
Noncovered Loans [Member] | Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,315	1,473
Provision	(116)	(71)
Charge-offs	(28)	(89)
Recoveries	4	2
Ending balance	1,175	1,315
ALLL for loans and leases individually evaluated for impairment	(53)	(14)
ALLL for loans and leases collectively evaluated for impairment	1,122	1,301
Loans and leases individually evaluated for impairment	707	193
Loans and leases collectively evaluated for impairment	124,974	158,176
Non-specific ALLL	0	0
Total allowance for loan and lease losses	1,175	1,315
Net loans and leases	125,681	158,369
Noncovered Loans [Member] | Residential Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	8,879	7,009
Provision	(782)	6,447
Charge-offs	(4,790)	(5,566)
Recoveries	529	989
Ending balance	3,836	8,879
ALLL for loans and leases individually evaluated for impairment	(959)	(411)
ALLL for loans and leases collectively evaluated for impairment	2,877	8,468
Loans and leases individually evaluated for impairment	15,836	9,776
Loans and leases collectively evaluated for impairment	807,053	774,342
Non-specific ALLL	0	0
Total allowance for loan and lease losses	3,836	8,879
Net loans and leases	822,889	784,118
Noncovered Loans [Member] | Revolving Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	27,045	18,016
Provision	8,783	22,316
Charge-offs	(11,341)	(13,940)
Recoveries	698	653
Ending balance	25,185	27,045
ALLL for loans and leases individually evaluated for impairment	(1)	0
ALLL for loans and leases collectively evaluated for impairment	25,184	27,045
Loans and leases individually evaluated for impairment	4,203	0
Loans and leases collectively evaluated for impairment	2,205,930	2,296,306
Non-specific ALLL	0	0
Total allowance for loan and lease losses	25,185	27,045
Net loans and leases	2,210,133	2,296,306
Noncovered Loans [Member] | Construction and Land Development - Noncommercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,427	1,751
Provision	1,161	2,104
Charge-offs	(1,047)	(2,617)
Recoveries	180	189
Ending balance	1,721	1,427
ALLL for loans and leases individually evaluated for impairment	(287)	(145)
ALLL for loans and leases collectively evaluated for impairment	1,434	1,282
Loans and leases individually evaluated for impairment	1,321	3,676
Loans and leases collectively evaluated for impairment	130,671	133,595
Non-specific ALLL	0	0
Total allowance for loan and lease losses	1,721	1,427
Net loans and leases	131,992	137,271
Noncovered Loans [Member] | Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	25,962	29,448
Provision	7,763	7,266
Charge-offs	(10,288)	(12,429)
Recoveries	1,952	1,677
Ending balance	25,389	25,962
ALLL for loans and leases individually evaluated for impairment	(256)	(47)
ALLL for loans and leases collectively evaluated for impairment	25,133	25,915
Loans and leases individually evaluated for impairment	2,509	992
Loans and leases collectively evaluated for impairment	414,097	496,378
Non-specific ALLL	0	0
Total allowance for loan and lease losses	25,389	25,962
Net loans and leases	416,606	497,370
Noncovered Loans [Member] | Non Specific [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	14,122	13,863
Provision	1,728	259
Charge-offs	0	0
Recoveries	0	0
Ending balance	15,850	14,122
ALLL for loans and leases individually evaluated for impairment	0	0
ALLL for loans and leases collectively evaluated for impairment	0	0
Loans and leases individually evaluated for impairment	0	0
Loans and leases collectively evaluated for impairment	0	0
Non-specific ALLL	15,850	14,122
Total allowance for loan and lease losses	15,850	14,122
Net loans and leases	0	0
Covered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	89,261	51,248	3,500
Provision	100,839	174,478	86,872
Adoption of change in accounting for QSPE			0
Charge-offs	(50,270)	(137,553)	(39,533)
Recoveries	142	1,088	409
Net charge-offs	(50,128)	(136,465)	(39,124)
Ending balance	139,972	89,261	51,248
ALLL for loans and leases acquired with deteriorated credit quality	139,972	89,261
Loans and leases acquired with deteriorated credit quality	1,809,235	2,362,152
Covered Loans [Member] | Construction and Land Development - Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	16,693	20,654
Provision	23,160	32,082
Charge-offs	(8,667)	(36,432)
Recoveries	0	389
Ending balance	31,186	16,693
ALLL for loans and leases acquired with deteriorated credit quality	31,186	16,693
Loans and leases acquired with deteriorated credit quality	237,906	338,873
Covered Loans [Member] | Commercial Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	39,557	13,199
Provision	34,227	76,180
Charge-offs	(23,509)	(49,905)
Recoveries	0	83
Ending balance	50,275	39,557
ALLL for loans and leases acquired with deteriorated credit quality	50,275	39,557
Loans and leases acquired with deteriorated credit quality	1,054,473	1,260,589
Covered Loans [Member] | Other Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	16,862	4,148
Provision	(4,372)	41,298
Charge-offs	(1,256)	(29,063)
Recoveries	0	479
Ending balance	11,234	16,862
ALLL for loans and leases acquired with deteriorated credit quality	11,234	16,862
Loans and leases acquired with deteriorated credit quality	107,119	158,394
Covered Loans [Member] | Commercial and Industrial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,500	6,828
Provision	11,839	4,775
Charge-offs	(8,442)	(6,115)
Recoveries	0	12
Ending balance	8,897	5,500
ALLL for loans and leases acquired with deteriorated credit quality	8,897	5,500
Loans and leases acquired with deteriorated credit quality	49,463	113,442
Covered Loans [Member] | Lease Financing [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	13	0
Provision	(13)	13
Charge-offs	0	0
Recoveries	0	0
Ending balance	0	13
ALLL for loans and leases acquired with deteriorated credit quality	0	13
Loans and leases acquired with deteriorated credit quality	0	57
Covered Loans [Member] | Residential Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,433	113
Provision	18,401	10,949
Charge-offs	(4,139)	(5,723)
Recoveries	142	94
Ending balance	19,837	5,433
ALLL for loans and leases acquired with deteriorated credit quality	19,837	5,433
Loans and leases acquired with deteriorated credit quality	297,926	327,568
Covered Loans [Member] | Revolving Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	77	676
Provision	10,796	(599)
Charge-offs	(1,119)	0
Recoveries	0	0
Ending balance	9,754	77
ALLL for loans and leases acquired with deteriorated credit quality	9,754	77
Loans and leases acquired with deteriorated credit quality	38,710	51,552
Covered Loans [Member] | Construction and Land Development - Noncommercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,652	5,607
Provision	6,520	8,927
Charge-offs	(2,885)	(9,912)
Recoveries	0	30
Ending balance	8,287	4,652
ALLL for loans and leases acquired with deteriorated credit quality	8,287	4,652
Loans and leases acquired with deteriorated credit quality	20,793	105,536
Covered Loans [Member] | Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	474	23
Provision	281	853
Charge-offs	(253)	(403)
Recoveries	0	1
Ending balance	502	474
ALLL for loans and leases acquired with deteriorated credit quality	502	474
Loans and leases acquired with deteriorated credit quality	$ 2,845	$ 6,141