LOANS AND LEASES (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Summary of the carrying values of PCI loans
Non-covered loans and leases	$ 3,762,720	$ 3,864,917
Covered loans	398,365	448,418
Total gross loans and leases	4,161,085	4,313,335	3,470,687
Real estate mortgage
Summary of the carrying values of PCI loans
Non-covered loans and leases	2,273,159	2,378,025
Covered loans	368,945	417,973
Total gross loans and leases	2,642,104	2,795,998
Real estate construction
Summary of the carrying values of PCI loans
Non-covered loans and leases	232,882	201,723
Covered loans	17,037	17,794
Total gross loans and leases	249,919	219,517
Commercial
Summary of the carrying values of PCI loans
Non-covered loans and leases	942,687	963,152
Covered loans	9,592	9,829
Total gross loans and leases	952,279	972,981
Leases
Summary of the carrying values of PCI loans
Non-covered loans and leases	249,736	269,769
Total gross loans and leases	249,736	269,769
Consumer
Summary of the carrying values of PCI loans
Non-covered loans and leases	64,256	52,248
Covered loans	2,791	2,822
Total gross loans and leases	67,047	55,070
Non-PCI Loans and Leases
Summary of the carrying values of PCI loans
Non-covered loans and leases	3,745,849	3,844,591
Covered loans	82,720	85,948
Total gross loans and leases	3,828,569	3,930,539	2,983,198
Non-PCI Loans and Leases | Real estate mortgage
Summary of the carrying values of PCI loans
Non-covered loans and leases	2,257,853	2,359,125
Covered loans	62,719	65,739
Total gross loans and leases	2,320,572	2,424,864	1,818,285
Non-PCI Loans and Leases | Real estate construction
Summary of the carrying values of PCI loans
Non-covered loans and leases	231,351	200,332
Covered loans	8,722	8,758
Total gross loans and leases	240,073	209,090	126,707
Non-PCI Loans and Leases | Commercial
Summary of the carrying values of PCI loans
Non-covered loans and leases	942,687	963,152
Covered loans	8,719	8,855
Total gross loans and leases	951,406	972,007	814,292
Non-PCI Loans and Leases | Leases
Summary of the carrying values of PCI loans
Non-covered loans and leases	249,736	269,769
Total gross loans and leases	249,736	269,769	204,766
Non-PCI Loans and Leases | Consumer
Summary of the carrying values of PCI loans
Non-covered loans and leases	64,222	52,213
Covered loans	2,560	2,596
Total gross loans and leases	66,782	54,809	19,148
PCI Loans
Summary of the carrying values of PCI loans
Non-covered loans and leases	16,871	20,326
Covered loans	315,645	362,470
Total gross loans and leases	332,516	382,796	487,489
PCI Loans | Real estate mortgage
Summary of the carrying values of PCI loans
Non-covered loans and leases	15,306	18,900
Covered loans	306,226	352,234
Total gross loans and leases	321,532	371,134
PCI Loans | Real estate construction
Summary of the carrying values of PCI loans
Non-covered loans and leases	1,531	1,391
Covered loans	8,315	9,036
Total gross loans and leases	9,846	10,427
PCI Loans | Commercial
Summary of the carrying values of PCI loans
Covered loans	873	974
Total gross loans and leases	873	974
PCI Loans | Consumer
Summary of the carrying values of PCI loans
Non-covered loans and leases	34	35
Covered loans	231	226
Total gross loans and leases	$ 265	$ 261