RECEIVABLE FROM FDIC FOR LOSS SHARE AGREEMENTS (Changes In Receivable From FDIC) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Receivable From FDIC For Loss Share Agreements [Roll Forward]
Balance, January 1	$ 623,261	$ 249,842	$ 0
Additional receivable from acquisitions	292,523	468,429	242,521
Accretion of discounts and premiums, net	4,129	4,218	1,386
Receipt of payments from FDIC	(293,067)	(52,422)	0
Post-acquisition and other adjustments, net	(87,335)	(46,806)	(5,935)
Balance, December 31	$ 539,511	$ 623,261	$ 249,842