ALLOWANCE FOR LOAN AND LEASE LOSSES (Allocation Of Allowance For Loan And Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Impaired noncovered loans and leases	$ 270,144	$ 227,765	$ 172,282	$ 157,569
Total impaired noncovered loans and leases	122,135	107,779
Average balance	39
Unpaid principal balance	102
Interest Income Recognized	1
Covered Loans Which Have Adverse Change In Expected Cash Flows	1,886,929
Allowance For Loan Losses For Covered Loans Which Have Adverse Change In Expected Cash Flows	89,261
Covered Loans Which Have No Adverse Change In Expected Cash Flows	475,223
Construction And Land Development - Commercial [Member]
Impaired noncovered loans and leases	24,994	28,327
Commercial Mortgage [Member]
Impaired noncovered loans and leases	65,527	57,952
Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	2,580	964
Commercial And Industrial [Member]
Impaired noncovered loans and leases	14,268	12,989
Lease Financing [Member]
Impaired noncovered loans and leases	322	693
Other [Member]
Impaired noncovered loans and leases	0	76
Residential Mortgage [Member]
Impaired noncovered loans and leases	9,776	6,162
Construction And Land Development - Non - Commercial [Member]
Impaired noncovered loans and leases	3,676	514
Consumer [Member]
Impaired noncovered loans and leases	992	102
Performing Financing Receivable [Member]
Unpaid principal balance	34,166
Noncovered Loans [Member]
Impaired noncovered loans and leases	180,883	176,517	168,782	157,569
Average balance	119,228	51,306
Unpaid principal balance	131,731	108,505	88,183
Interest Income Recognized	2,341	1,824	835
Noncovered Loans [Member] | Construction And Land Development - Commercial [Member]
Impaired noncovered loans and leases	5,467	10,512
Average balance	26,612
Unpaid principal balance	30,756
Interest Income Recognized	56
Noncovered Loans [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	67,486	64,772
Average balance	65,729
Unpaid principal balance	66,463
Interest Income Recognized	1,330
Noncovered Loans [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	2,169	2,200
Average balance	1,368
Unpaid principal balance	322
Interest Income Recognized	55
Noncovered Loans [Member] | Commercial And Industrial [Member]
Impaired noncovered loans and leases	23,723	24,089
Average balance	12,984
Unpaid principal balance	12,674
Interest Income Recognized	456
Noncovered Loans [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	3,288	3,384
Average balance	587
Unpaid principal balance	992
Interest Income Recognized	21
Noncovered Loans [Member] | Other [Member]
Impaired noncovered loans and leases	1,315	1,473
Average balance	38
Unpaid principal balance	0
Interest Income Recognized	0
Noncovered Loans [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	8,879	7,009
Average balance	9,252
Unpaid principal balance	2,580
Interest Income Recognized	300
Noncovered Loans [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	27,045	18,016
Noncovered Loans [Member] | Construction And Land Development - Non - Commercial [Member]
Impaired noncovered loans and leases	1,427	1,751
Average balance	2,022
Unpaid principal balance	14,268
Interest Income Recognized	105
Noncovered Loans [Member] | Consumer [Member]
Impaired noncovered loans and leases	25,962	29,448
Average balance	636
Unpaid principal balance	3,676
Interest Income Recognized	18
Noncovered Loans [Member] | With A Recorded Allowance [Member]
Total impaired noncovered loans and leases	102,162	101,120
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Construction And Land Development - Commercial [Member]
Impaired noncovered loans and leases	24,994	28,327
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	53,687	52,658
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	1,558	964
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Commercial And Industrial [Member]
Impaired noncovered loans and leases	7,157	11,624
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	322	693
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Other [Member]
Impaired noncovered loans and leases	0	76
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	9,776	6,162
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Construction And Land Development - Non - Commercial [Member]
Impaired noncovered loans and leases	3,676	514
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Consumer [Member]
Impaired noncovered loans and leases	992	102
Noncovered Loans [Member] | With No Recorded Allowance [Member]
Total impaired noncovered loans and leases	19,973	6,659
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Construction And Land Development - Commercial [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	11,840	5,294
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	1,022	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Commercial And Industrial [Member]
Impaired noncovered loans and leases	7,111	1,365
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Other [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Construction And Land Development - Non - Commercial [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Consumer [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | Related Allowance Recorded [Member]
Total impaired noncovered loans and leases	6,122	11,620
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Construction And Land Development - Commercial [Member]
Impaired noncovered loans and leases	1,027	5,883
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	3,813	4,601
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	114	67
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Commercial And Industrial [Member]
Impaired noncovered loans and leases	549	598
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	16	58
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Other [Member]
Impaired noncovered loans and leases	0	7
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	411	384
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Construction And Land Development - Non - Commercial [Member]
Impaired noncovered loans and leases	145	13
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Consumer [Member]
Impaired noncovered loans and leases	47	9
Covered Loans [Member]
Impaired noncovered loans and leases	89,261	51,248	3,500	0
Average balance	182
Unpaid principal balance	514
Interest Income Recognized	41
Covered Loans [Member] | Construction And Land Development - Commercial [Member]
Impaired noncovered loans and leases	16,693	20,654
Average balance	19,235
Unpaid principal balance	28,610
Interest Income Recognized	93
Covered Loans [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	39,557	13,199
Average balance	25,451
Unpaid principal balance	59,760
Interest Income Recognized	1,193
Covered Loans [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	16,862	4,148
Average balance	353
Unpaid principal balance	964
Interest Income Recognized	18
Covered Loans [Member] | Commercial And Industrial [Member]
Impaired noncovered loans and leases	5,500	6,828
Average balance	3,420
Unpaid principal balance	11,624
Interest Income Recognized	337
Covered Loans [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	13	0
Covered Loans [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	5,433	113
Average balance	281
Unpaid principal balance	693
Interest Income Recognized	9
Covered Loans [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	77	676
Average balance	31
Unpaid principal balance	76
Interest Income Recognized	3
Covered Loans [Member] | Construction And Land Development - Non - Commercial [Member]
Impaired noncovered loans and leases	4,652	5,607
Average balance	2,314
Unpaid principal balance	6,162
Interest Income Recognized	129
Covered Loans [Member] | Consumer [Member]
Impaired noncovered loans and leases	$ 474	$ 23