LOANS AND LEASES (Details 12) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	$ 517,258	$ 703,023
Real estate mortgage
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	483,118	642,440
Real estate construction
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	22,391	41,099
Commercial
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	11,157	19,297
Consumer
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	592	187
Nonclassified
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	349,252	495,135
Nonclassified | Real estate mortgage
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	339,520	478,291
Nonclassified | Real estate construction
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	4,801	5,762
Nonclassified | Commercial
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	4,814	11,076
Nonclassified | Consumer
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	117	6
Classified
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	168,006	207,888
Classified | Real estate mortgage
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	143,598	164,149
Classified | Real estate construction
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	17,590	35,337
Classified | Commercial
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	6,343	8,221
Classified | Consumer
Credit risk rating categories for covered loans by portfolio segment
Total covered loans	$ 475	$ 181