LOANS AND LEASES (Changes In Carrying Value Of Acquired Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Impaired At Acquisition Date [Member]
Balance, January 1	$ 330,705	$ 75,368
Fair value of acquired loans covered by loss share agreements	302,340	412,628
Reductions for repayments foreclosures and decreases in fair value	(174,740)	(157,291)
Balance, September 30	458,305	330,705
Outstanding principal balance at September 30	1,334,299	629,414
All Other Acquired Loans [Member]
Balance, January 1	1,676,747	1,097,652
Fair value of acquired loans covered by loss share agreements	777,800	1,152,134
Reductions for repayments foreclosures and decreases in fair value	(550,700)	(573,039)
Balance, September 30	1,903,847	1,676,747
Outstanding principal balance at September 30	$ 2,537,652	$ 2,211,047