LOANS AND LEASES (Details 10) (USD $) In Thousands, unless otherwise specified	0 Months Ended		9 Months Ended	0 Months Ended	9 Months Ended	0 Months Ended
	May 31, 2013 FCAL	May 31, 2013 FCAL Non-PCI Loans	Sep. 30, 2013 Covered loans PCI Loans	May 31, 2013 Covered loans FCAL	Sep. 30, 2013 Non-Covered loans PCI Loans	May 31, 2013 Non-Covered loans FCAL
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