Loans Receivable (Schedule Of Aging Of Non-Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Loans Receivable [Line Items]
Past Due, 30-59 days	$ 7,329	[1]	$ 8,310
Past Due, 60-89 days	1,786	[1]	5,001
Past Due, Greater than 90 days	56,295	[1]	50,950
Total past due	65,410		64,261
Current	5,284,016		4,388,324
Total non-covered loans, net of unearned income	5,349,426		4,452,585
Recorded investment > 90 days and accruing	1,841		1,455
Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	11,242	[2]
Past Due, 60-89 days	4,845	[2]
Past Due, Greater than 90 days	39,237	[2]
Total past due	55,324
Current	720,636
Discount	(71,798)	[2]
Total non-covered loans, net of unearned income	704,162
Recorded investment > 90 days and accruing	1,915
Residential - Prime [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	731	[1]	421
Past Due, 60-89 days	325	[1]	1,002
Past Due, Greater than 90 days	6,009	[1]	6,196
Total past due	7,065		7,620
Current	271,534		362,366
Total non-covered loans, net of unearned income	278,599		369,986
Recorded investment > 90 days and accruing	1,099		280
Residential - Prime [Member] | Acquired Loans [Member] | Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	124	[2]
Past Due, 60-89 days	60	[2]
Past Due, Greater than 90 days	185	[2]
Total past due	369
Current	4,145
Total non-covered loans, net of unearned income	4,514
Recorded investment > 90 days and accruing	185
Residential - Subprime [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days		[1]
Past Due, 60-89 days		[1]
Past Due, Greater than 90 days		[1]
Total past due
Current
Total non-covered loans, net of unearned income
Recorded investment > 90 days and accruing
Residential - Subprime [Member] | Acquired Loans [Member] | Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days		[2]
Past Due, 60-89 days		[2]
Past Due, Greater than 90 days		[2]
Total past due
Current
Discount		[2]
Total non-covered loans, net of unearned income
Recorded investment > 90 days and accruing
Commercial Real Estate - Construction [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	266	[1]
Past Due, 60-89 days			486
Past Due, Greater than 90 days	2,582	[1]	9,850
Total past due	2,848		10,336
Current	273,824		254,912
Total non-covered loans, net of unearned income	276,672		265,248
Recorded investment > 90 days and accruing			13
Commercial Real Estate - Construction [Member] | Acquired Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	629	[2]
Past Due, Greater than 90 days	3,755	[2]
Total past due	4,384
Current	61,705
Discount	(6,458)	[2]
Total non-covered loans, net of unearned income	59,631
Recorded investment > 90 days and accruing	345
Commercial Real Estate- Other [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	880	[1]	3,568
Past Due, 60-89 days	54	[1]	1,975
Past Due, Greater than 90 days	34,087	[1]	24,788
Total past due	35,021		30,331
Current	1,778,235		1,486,165
Total non-covered loans, net of unearned income	1,813,256		1,516,496
Recorded investment > 90 days and accruing	636		1,018
Commercial Real Estate- Other [Member] | Acquired Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	7,213	[2]
Past Due, 60-89 days	4,036	[2]
Past Due, Greater than 90 days	29,725	[2]
Total past due	40,974
Current	448,288
Discount	(47,808)	[2]
Total non-covered loans, net of unearned income	441,454
Recorded investment > 90 days and accruing	794
Commercial Business [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	302	[1]	406
Past Due, 60-89 days	277	[1]
Past Due, Greater than 90 days	6,642	[1]	1,993
Total past due	7,221		2,399
Current	1,793,959		1,338,953
Total non-covered loans, net of unearned income	1,801,180		1,341,352
Recorded investment > 90 days and accruing	20		144
Commercial Business [Member] | Acquired Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	183	[2]
Past Due, 60-89 days	69	[2]
Past Due, Greater than 90 days	639	[2]
Total past due	891
Current	105,796
Discount	(11,371)	[2]
Total non-covered loans, net of unearned income	95,316
Recorded investment > 90 days and accruing	3
Indirect Automobile [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	1,232	[1]	1,002
Past Due, 60-89 days	159	[1]	165
Past Due, Greater than 90 days	994	[1]	1,046
Total past due	2,385		2,213
Current	248,070		253,109
Total non-covered loans, net of unearned income	250,455		255,322
Indirect Automobile [Member] | Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	171	[2]
Past Due, 60-89 days	10	[2]
Past Due, Greater than 90 days	258	[2]
Total past due	439
Current	10,813
Discount	189	[2]
Total non-covered loans, net of unearned income	11,441
Home Equity [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	3,102	[1]	2,406
Past Due, 60-89 days	717	[1]	1,122
Past Due, Greater than 90 days	4,955	[1]	5,466
Total past due	8,774		8,994
Current	741,968		546,755
Total non-covered loans, net of unearned income	750,742		555,749
Recorded investment > 90 days and accruing	82
Home Equity [Member] | Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	2,509	[2]
Past Due, 60-89 days	125	[2]
Past Due, Greater than 90 days	4,104	[2]
Total past due	6,738
Current	73,822
Discount	(4,839)	[2]
Total non-covered loans, net of unearned income	75,721
Recorded investment > 90 days and accruing	438
Credit Card [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	467	[1]	146
Past Due, 60-89 days	107	[1]	94
Past Due, Greater than 90 days	403	[1]	378
Total past due	977		618
Current	46,786		42,298
Total non-covered loans, net of unearned income	47,763		42,916
Credit Card [Member] | Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days		[2]
Past Due, 60-89 days		[2]
Past Due, Greater than 90 days		[2]
Total past due
Current
Discount		[2]
Total non-covered loans, net of unearned income
Recorded investment > 90 days and accruing
Other Consumer [Member] | Non-Covered Loans Excluding Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	349	[1]	361
Past Due, 60-89 days	147	[1]	157
Past Due, Greater than 90 days	623	[1]	1,232
Total past due	1,119		1,750
Current	129,640		103,766
Total non-covered loans, net of unearned income	130,759		105,516
Recorded investment > 90 days and accruing	4
Other Consumer [Member] | Acquired Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	413	[2]
Past Due, 60-89 days	545	[2]
Past Due, Greater than 90 days	571	[2]
Total past due	1,529
Current	16,067
Discount	(1,511)	[2]
Total non-covered loans, net of unearned income	16,085
Recorded investment > 90 days and accruing	$ 150

[1] Past due loans include loans on nonaccrual status as of the period indicated. Nonaccrual loans are presented separately in the "Nonaccrual Loans" section below.

[2] Past due information includes loans acquired from OMNI and Cameron at the gross contractual balance outstanding at December 31, 2011.