LOANS AND LEASES (Details 10) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	$ 567,396	$ 703,023	$ 761,059
Real estate mortgage
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	530,630	641,887
Real estate construction
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	23,337	41,099
Commercial
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	12,809	19,297
Consumer
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	620	740
Nonclassified
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	373,950	495,135
Nonclassified | Real estate mortgage
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	363,033	478,119
Nonclassified | Real estate construction
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	4,705	5,762
Nonclassified | Commercial
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	6,088	11,076
Nonclassified | Consumer
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	124	178
Classified
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	193,446	207,888
Classified | Real estate mortgage
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	167,597	163,768
Classified | Real estate construction
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	18,632	35,337
Classified | Commercial
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	6,721	8,221
Classified | Consumer
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	$ 496	$ 562