LOANS AND LEASES (Details 13) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	$ 4,313,335	$ 3,592,832
Real estate mortgage
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	2,795,998	2,424,210
Real estate construction
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	219,517	154,604
Commercial
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	972,981	816,526
Consumer
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	55,070	23,119
PCI Loans
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	382,796	517,885
PCI Loans | Real estate mortgage
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	371,134	484,057
PCI Loans | Real estate construction
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	10,427	24,645
PCI Loans | Commercial
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	974	9,071
PCI Loans | Consumer
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	261	112
Nonclassified | PCI Loans
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	221,060	341,072
Nonclassified | PCI Loans | Real estate mortgage
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	216,092	331,341
Nonclassified | PCI Loans | Real estate construction
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	4,399	6,311
Nonclassified | PCI Loans | Commercial
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	569	3,420
Classified | PCI Loans
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	161,736	176,813
Classified | PCI Loans | Real estate mortgage
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	155,042	152,716
Classified | PCI Loans | Real estate construction
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	6,028	18,334
Classified | PCI Loans | Commercial
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	405	5,651
Classified | PCI Loans | Consumer
Credit risk rating categories for PCI loans by portfolio segment
Total gross loans and leases	$ 261	$ 112