LOANS AND LEASES (Details 11) (FCAL, USD $) In Thousands, unless otherwise specified	0 Months Ended		0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended
	May 31, 2013	May 31, 2013 Non-PCI Loans	May 31, 2013 Covered loans	Dec. 31, 2013 Covered loans PCI Loans	May 31, 2013 Non-Covered loans	Dec. 31, 2013 Non-Covered loans PCI Loans
Summary of accretable yield
Undiscounted contractual cash flows	$ 84,817	$ 1,300,000	$ 42,881		$ 41,936
Undiscounted cash flows not expected to be collected (nonaccretable difference)	(32,387)		(16,050)		(16,337)
Undiscounted cash flows expected to be collected	52,430		26,831		25,599
Estimated fair value of loans acquired	(44,146)	1,000,000	(24,341)	24,341	(19,805)	19,805
Acquired accrued interest receivable	(188)		(66)		(122)
Accretable yield	$ 8,096		$ 2,424	$ (2,424)	$ 5,672	$ (5,672)