FAIR VALUE MEASUREMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	$ (2,426)
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	(1,093)
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	(1,345)
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
Nonrecurring basis | Total
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	85,725
Nonrecurring basis | Total | Covered other real estate owned
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	3,789
Nonrecurring basis | Total | Non-covered impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	80,980
Nonrecurring basis | Total | SBA loan servicing asset
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	956
Nonrecurring basis | Level 2
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	9,970
Nonrecurring 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	3,744
Nonrecurring basis | Level 2 | Non-covered impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	6,226
Nonrecurring basis | Level 3
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	75,755
Nonrecurring 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	45
Nonrecurring basis | Level 3 | Non-covered impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	74,754
Nonrecurring basis | Level 3 | SBA loan servicing asset
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	$ 956