FAIR VALUE MEASUREMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Total gain (loss) on assets measured on a nonrecurring basis	$ (9,555)	$ (17,253)
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	(2,565)	(2,565)
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	(5,008)	(10,831)
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	(1,985)	(3,861)
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	3	4
Nonrecurring basis | Total
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	130,571	130,571
Nonrecurring 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	10,162	10,162
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	13,781	13,781
Nonrecurring basis | Total | Non-covered impaired loans
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	105,569	105,569
Nonrecurring basis | Total | SBA loan servicing asset
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	1,059	1,059
Nonrecurring basis | Level 2
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	13,186	13,186
Nonrecurring 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	1,527	1,527
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	6,412	6,412
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	5,247	5,247
Nonrecurring basis | Level 3
Assets measured and recorded at fair value on a recurring and nonrecurring basis
Assets at fair value	117,385	117,385
Nonrecurring 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	8,635	8,635
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	7,369	7,369
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	$ 100,322	$ 100,322