Property Held For Sale (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Property Held For Sale [Abstract]
Beginning balance	$ 63,938	$ 69,638
Acquisitions	8,352	12,563
Capitalized improvements	942	613
Dispositions	(9,777)	(12,225)
Valuation adjustments	(6,862)	(6,651)
Reclassification of covered loans	(421)
Balance at year end	$ 56,172	$ 63,938