NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 item	Mar. 31, 2013 Performing loan	Dec. 31, 2012 Performing loan	Mar. 31, 2013 Performing loan A/B Note Splits	Dec. 31, 2012 Performing loan A/B Note Splits	Mar. 31, 2013 Nonperforming loan	Dec. 31, 2012 Nonperforming loan
Restructured loans disclosures
Number of notes into which A/B notes are split	2
Number of consecutive months of payments considered demonstration of sustained period of performance	6 months
Loan balance of restructured loans		$ 57,000	$ 94,600	$ 2,400	$ 34,800	$ 9,000	$ 10,000