LOANS AND LEASES (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	$ 4,161,085	$ 4,313,335	$ 3,470,687
Real estate mortgage
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	2,642,104	2,795,998
Real estate construction
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	249,919	219,517
Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	952,279	972,981
Leases
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	249,736	269,769
Consumer
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	67,047	55,070
Non-PCI Loans
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	3,828,569	3,930,539	2,983,198
Non-PCI Loans | Real estate mortgage
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	2,320,572	2,424,864	1,818,285
Non-PCI Loans | Hospitality
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	170,873	180,553
Non-PCI Loans | SBA 504
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	42,318	45,166
Non-PCI Loans | Other
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	2,107,381	2,199,145
Non-PCI Loans | Real estate construction
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	240,073	209,090	126,707
Non-PCI Loans | Residential
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	60,542	58,881
Non-PCI Loans | Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	179,531	150,209
Non-PCI Loans | Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	951,406	972,007	814,292
Non-PCI Loans | Collateralized
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	579,984	587,186
Non-PCI Loans | Unsecured
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	143,509	153,752
Non-PCI Loans | Asset-based
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	200,574	202,428
Non-PCI Loans | SBA 7(a)
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	27,339	28,641
Non-PCI Loans | Leases
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	249,736	269,769	204,766
Non-PCI Loans | Consumer
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	66,782	54,809	19,148
Non-PCI Loans | Nonclassified
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	3,678,052	3,803,228
Non-PCI Loans | Nonclassified | Real estate mortgage
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	2,240,986	2,342,951
Non-PCI Loans | Nonclassified | Hospitality
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	159,966	168,216
Non-PCI Loans | Nonclassified | SBA 504
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	37,143	39,869
Non-PCI Loans | Nonclassified | Other
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	2,043,877	2,134,866
Non-PCI Loans | Nonclassified | Real estate construction
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	233,089	202,049
Non-PCI Loans | Nonclassified | Residential
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	59,795	58,131
Non-PCI Loans | Nonclassified | Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	173,294	143,918
Non-PCI Loans | Nonclassified | Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	895,610	938,693
Non-PCI Loans | Nonclassified | Collateralized
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	535,547	568,348
Non-PCI Loans | Nonclassified | Unsecured
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	141,532	151,896
Non-PCI Loans | Nonclassified | Asset-based
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	196,802	195,569
Non-PCI Loans | Nonclassified | SBA 7(a)
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	21,729	22,880
Non-PCI Loans | Nonclassified | Leases
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	245,936	269,137
Non-PCI Loans | Nonclassified | Consumer
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	62,431	50,398
Non-PCI Loans | Classified
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	150,517	127,311
Non-PCI Loans | Classified | Real estate mortgage
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	79,586	81,913
Non-PCI Loans | Classified | Hospitality
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	10,907	12,337
Non-PCI Loans | Classified | SBA 504
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	5,175	5,297
Non-PCI Loans | Classified | Other
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	63,504	64,279
Non-PCI Loans | Classified | Real estate construction
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	6,984	7,041
Non-PCI Loans | Classified | Residential
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	747	750
Non-PCI Loans | Classified | Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	6,237	6,291
Non-PCI Loans | Classified | Commercial
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	55,796	33,314
Non-PCI Loans | Classified | Collateralized
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	44,437	18,838
Non-PCI Loans | Classified | Unsecured
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	1,977	1,856
Non-PCI Loans | Classified | Asset-based
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	3,772	6,859
Non-PCI Loans | Classified | SBA 7(a)
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	5,610	5,761
Non-PCI Loans | Classified | Leases
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	3,800	632
Non-PCI Loans | Classified | Consumer
Credit risk rating categories for Non-PCI loans by portfolio segment and class
Total gross loans and leases	$ 4,351	$ 4,411