LOANS AND LEASES (Details 10) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	$ 608,949	$ 703,023	$ 805,952
Real estate mortgage
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	565,386	641,887
Real estate construction
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	27,658	41,099
Commercial
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	15,248	19,297
Consumer
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	657	740
Nonclassified
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	403,312	495,135
Nonclassified | Real estate mortgage
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	389,585	478,119
Nonclassified | Real estate construction
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	5,626	5,762
Nonclassified | Commercial
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	7,969	11,076
Nonclassified | Consumer
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	132	178
Classified
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	205,637	207,888
Classified | Real estate mortgage
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	175,801	163,768
Classified | Real estate construction
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	22,032	35,337
Classified | Commercial
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	7,279	8,221
Classified | Consumer
Credit risk rating categories for non-covered loans by portfolio segment
Total covered loans	$ 525	$ 562