FAIR VALUE MEASUREMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	$ (2,239)	$ (9,498)	$ (36,450)
Non-covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	(726)	(2,824)	(4,381)
Covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	(319)	(1,096)	(9,275)
Non-covered impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	(1,206)	(5,582)	(22,796)
SBA loan servicing asset
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	12	4	2
Measured on a Non-Recurring Basis: | Total
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	52,570	116,045
Measured on a Non-Recurring Basis: | Total | Non-covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	9,062	7,945
Measured on a Non-Recurring Basis: | Total | Covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	1,815	4,893
Measured on a Non-Recurring Basis: | Total | Non-PCI impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	40,886	102,207
Measured on a Non-Recurring Basis: | Total | SBA loan servicing asset
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	807	1,000
Measured on a Non-Recurring Basis: | Level 2
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	10,835	7,574
Measured on a Non-Recurring Basis: | Level 2 | Non-covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	7,084
Measured on a Non-Recurring Basis: | Level 2 | Covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	1,700	2,599
Measured on a Non-Recurring Basis: | Level 2 | Non-PCI impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	2,051	4,975
Measured on a Non-Recurring Basis: | Level 3
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	41,735	108,471
Measured on a Non-Recurring Basis: | Level 3 | Non-covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	1,978	7,945
Measured on a Non-Recurring Basis: | Level 3 | Covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	115	2,294
Measured on a Non-Recurring Basis: | Level 3 | Non-PCI impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	38,835	97,232
Measured on a Non-Recurring Basis: | Level 3 | SBA loan servicing asset
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	$ 807	$ 1,000