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, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Impaired noncovered loans and leases	$ 319,018	$ 270,144	$ 227,765	$ 172,282
Total impaired noncovered loans and leases	172,984	122,135
Construction and Land Development - Commercial [Member]
Impaired noncovered loans and leases	16,057	24,994
Commercial Mortgage [Member]
Impaired noncovered loans and leases	111,808	65,527
Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	3,248	2,580
Commercial and Industrial [Member]
Impaired noncovered loans and leases	18,800	14,268
Lease Financing [Member]
Impaired noncovered loans and leases	746	322
Other [Member]
Impaired noncovered loans and leases	707	0
Residential Mortgage [Member]
Impaired noncovered loans and leases	13,586	9,776
Revolving Mortgage [Member]
Impaired noncovered loans and leases	4,203	0
Construction and Land Development - Noncommercial [Member]
Impaired noncovered loans and leases	1,320	3,676
Consumer [Member]
Impaired noncovered loans and leases	2,509	992
Covered Loans [Member]
Impaired noncovered loans and leases	139,972	89,261	51,248	3,500
Covered loans which have adverse change in expected cash flows	975,920	1,886,929
Allowance for credit losses, acquired with deteriorated credit quality	139,972	89,261
Covered loans which have no adverse change in expected cash flows	833,315	475,223
Covered Loans [Member] | Construction and Land Development - Commercial [Member]
Impaired noncovered loans and leases	31,186	16,693	20,654
Allowance for credit losses, acquired with deteriorated credit quality	31,186	16,693
Covered Loans [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	50,275	39,557	13,199
Allowance for credit losses, acquired with deteriorated credit quality	50,275	39,557
Covered Loans [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	11,234	16,862	4,148
Allowance for credit losses, acquired with deteriorated credit quality	11,234	16,862
Covered Loans [Member] | Commercial and Industrial [Member]
Impaired noncovered loans and leases	8,897	5,500	6,828
Allowance for credit losses, acquired with deteriorated credit quality	8,897	5,500
Covered Loans [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	0	13	0
Allowance for credit losses, acquired with deteriorated credit quality	0	13
Covered Loans [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	19,837	5,433	113
Allowance for credit losses, acquired with deteriorated credit quality	19,837	5,433
Covered Loans [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	9,754	77	676
Allowance for credit losses, acquired with deteriorated credit quality	9,754	77
Covered Loans [Member] | Construction and Land Development - Noncommercial [Member]
Impaired noncovered loans and leases	8,287	4,652	5,607
Allowance for credit losses, acquired with deteriorated credit quality	8,287	4,652
Covered Loans [Member] | Consumer [Member]
Impaired noncovered loans and leases	502	474	23
Allowance for credit losses, acquired with deteriorated credit quality	502	474
Noncovered Loans [Member]
Impaired noncovered loans and leases	179,046	180,883	176,517	168,782
Unpaid principal balance	192,238	131,731
Average balance	158,426	119,228	51,306
Interest income recognized	6,735	2,341	1,824
Noncovered Loans [Member] | Construction and Land Development - Commercial [Member]
Impaired noncovered loans and leases	6,031	5,467	10,512
Unpaid principal balance	31,879	30,756
Average balance	22,493	26,612	19,235
Interest income recognized	399	56	93
Noncovered Loans [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	70,927	67,486	64,772
Unpaid principal balance	114,351	66,463
Average balance	96,082	65,729	25,451
Interest income recognized	4,630	1,330	1,193
Noncovered Loans [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	2,059	2,169	2,200
Unpaid principal balance	3,348	322
Average balance	2,690	1,368	353
Interest income recognized	142	55	18
Noncovered Loans [Member] | Commercial and Industrial [Member]
Impaired noncovered loans and leases	23,352	23,723	24,089
Unpaid principal balance	19,196	12,674
Average balance	13,658	12,984	3,420
Interest income recognized	788	456	337
Noncovered Loans [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	3,521	3,288	3,384
Unpaid principal balance	746	992
Average balance	497	587	281
Interest income recognized	37	21	9
Noncovered Loans [Member] | Other [Member]
Impaired noncovered loans and leases	1,175	1,315	1,473
Unpaid principal balance	707	0
Average balance	424	38	31
Interest income recognized	23	0	3
Noncovered Loans [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	3,836	8,879	7,009
Unpaid principal balance	13,978	2,580
Average balance	14,951	9,252	2,314
Interest income recognized	586	300	129
Noncovered Loans [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	25,185	27,045	18,016
Unpaid principal balance	4,203	0
Average balance	2,931
Interest income recognized	68
Noncovered Loans [Member] | Construction and Land Development - Noncommercial [Member]
Impaired noncovered loans and leases	1,721	1,427	1,751
Unpaid principal balance	1,321	14,268
Average balance	2,850	2,022	182
Interest income recognized	41	105	41
Noncovered Loans [Member] | Consumer [Member]
Impaired noncovered loans and leases	25,389	25,962	29,448
Unpaid principal balance	2,509	3,676
Average balance	1,850	636	39
Interest income recognized	21	18	1
Noncovered Loans [Member] | With A Recorded Allowance [Member]
Total impaired noncovered loans and leases	68,463	102,162
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Construction and Land Development - Commercial [Member]
Impaired noncovered loans and leases	5,941	24,994
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	39,648	53,687
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	1,425	1,558
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Commercial and Industrial [Member]
Impaired noncovered loans and leases	7,429	7,157
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	665	322
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Other [Member]
Impaired noncovered loans and leases	0	0
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	9,346	9,776
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	1,238	0
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Construction and Land Development - Noncommercial [Member]
Impaired noncovered loans and leases	1,162	3,676
Noncovered Loans [Member] | With A Recorded Allowance [Member] | Consumer [Member]
Impaired noncovered loans and leases	1,609	992
Noncovered Loans [Member] | With No Recorded Allowance [Member]
Total impaired noncovered loans and leases	104,521	19,973
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Construction and Land Development - Commercial [Member]
Impaired noncovered loans and leases	10,116	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	72,160	11,840
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	1,823	1,022
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Commercial and Industrial [Member]
Impaired noncovered loans and leases	11,371	7,111
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	81	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Other [Member]
Impaired noncovered loans and leases	707	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	4,240	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	2,965	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Construction and Land Development - Noncommercial [Member]
Impaired noncovered loans and leases	158	0
Noncovered Loans [Member] | With No Recorded Allowance [Member] | Consumer [Member]
Impaired noncovered loans and leases	900	0
Noncovered Loans [Member] | Related Allowance Recorded [Member]
Total impaired noncovered loans and leases	16,819	6,122
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Construction and Land Development - Commercial [Member]
Impaired noncovered loans and leases	2,340	1,027
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Commercial Mortgage [Member]
Impaired noncovered loans and leases	10,628	3,813
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Other Commercial Real Estate [Member]
Impaired noncovered loans and leases	279	114
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Commercial and Industrial [Member]
Impaired noncovered loans and leases	1,949	549
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Lease Financing [Member]
Impaired noncovered loans and leases	194	16
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Other [Member]
Impaired noncovered loans and leases	53	0
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Residential Mortgage [Member]
Impaired noncovered loans and leases	832	411
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Revolving Mortgage [Member]
Impaired noncovered loans and leases	1	0
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Construction and Land Development - Noncommercial [Member]
Impaired noncovered loans and leases	287	145
Noncovered Loans [Member] | Related Allowance Recorded [Member] | Consumer [Member]
Impaired noncovered loans and leases	256	47
Performing Financing Receivable [Member]
Unpaid principal balance	$ 89,133	$ 123,796