NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 6) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012 item	Sep. 30, 2012 Performing loan	Dec. 31, 2011 Performing loan	Sep. 30, 2012 Performing loan A/B Note Splits	Dec. 31, 2011 Performing loan A/B Note Splits	Sep. 30, 2012 Nonperforming loan	Dec. 31, 2011 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		$ 80,500	$ 99,600	$ 31,400	$ 22,800	$ 9,800	$ 38,900