LOANS AND LEASES (Details 2) (USD $)	Dec. 31, 2013	Dec. 31, 2012	May 31, 2013 FCAL	Dec. 31, 2013 Real estate mortgage	Dec. 31, 2012 Real estate mortgage	Dec. 31, 2013 Real estate construction	Dec. 31, 2012 Real estate construction	Dec. 31, 2013 Commercial	Dec. 31, 2012 Commercial	Dec. 31, 2013 Leases	Dec. 31, 2012 Leases	Dec. 31, 2013 Consumer	Dec. 31, 2012 Consumer	Dec. 31, 2013 Non-PCI Loans and Leases	Dec. 31, 2012 Non-PCI Loans and Leases	May 31, 2013 Non-PCI Loans and Leases FCAL	Dec. 31, 2013 Non-PCI Loans and Leases Real estate mortgage	Dec. 31, 2012 Non-PCI Loans and Leases Real estate mortgage	Dec. 31, 2013 Non-PCI Loans and Leases Real estate construction	Dec. 31, 2012 Non-PCI Loans and Leases Real estate construction	Dec. 31, 2013 Non-PCI Loans and Leases Commercial	Dec. 31, 2012 Non-PCI Loans and Leases Commercial	Dec. 31, 2013 Non-PCI Loans and Leases Leases	Dec. 31, 2012 Non-PCI Loans and Leases Leases	Dec. 31, 2013 Non-PCI Loans and Leases Consumer	Dec. 31, 2012 Non-PCI Loans and Leases Consumer	Dec. 31, 2013 PCI Loans	Dec. 31, 2012 PCI Loans	Dec. 31, 2013 PCI Loans Real estate mortgage	Dec. 31, 2012 PCI Loans Real estate mortgage	Dec. 31, 2013 PCI Loans Real estate construction	Dec. 31, 2012 PCI Loans Real estate construction	Dec. 31, 2013 PCI Loans Commercial	Dec. 31, 2012 PCI Loans Commercial	Dec. 31, 2013 PCI Loans Consumer	Dec. 31, 2012 PCI Loans Consumer
Summary of the carrying values of PCI loans
Non-covered loans and leases	$ 3,864,917,000	$ 3,049,505,000		$ 2,378,025,000	$ 1,919,310,000	$ 201,723,000	$ 129,959,000	$ 963,152,000	$ 803,342,000	$ 269,769,000	$ 174,373,000	$ 52,248,000	$ 22,521,000	$ 3,844,591,000	$ 3,049,505,000		$ 2,359,125,000	$ 1,919,310,000	$ 200,332,000	$ 129,959,000	$ 963,152,000	$ 803,342,000	$ 269,769,000	$ 174,373,000	$ 52,213,000	$ 22,521,000	$ 20,326,000		$ 18,900,000		$ 1,391,000				$ 35,000
Covered loans	448,418,000	543,327,000		417,973,000	504,900,000	17,794,000	24,645,000	9,829,000	13,184,000			2,822,000	598,000	85,948,000	25,442,000		65,739,000	20,843,000	8,758,000		8,855,000	4,113,000			2,596,000	486,000	362,470,000	517,885,000	352,234,000	484,057,000	9,036,000	24,645,000	974,000	9,071,000	226,000	112,000
Total gross loans and leases	4,313,335,000	3,592,832,000		2,795,998,000	2,424,210,000	219,517,000	154,604,000	972,981,000	816,526,000	269,769,000	174,373,000	55,070,000	23,119,000	3,930,539,000	3,074,947,000		2,424,864,000	1,940,153,000	209,090,000	129,959,000	972,007,000	807,455,000	269,769,000	174,373,000	54,809,000	23,007,000	382,796,000	517,885,000	371,134,000	484,057,000	10,427,000	24,645,000	974,000	9,071,000	261,000	112,000
Fair Value of loans acquired			(44,146,000)													1,000,000,000
Gross contractual amount			84,817,000													1,300,000,000
Estimated contractual cash flows not expected to be collected																$ 34,400,000