NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 8) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013 Performing loan	Dec. 31, 2012 Performing loan	Mar. 31, 2013 Nonperforming loan	Dec. 31, 2012 Nonperforming loan	Mar. 31, 2013 A/B Note Splits Performing loan	Dec. 31, 2012 A/B Note Splits Performing loan	Mar. 31, 2013 Residential Performing loan	Dec. 31, 2012 Residential Performing loan	Mar. 31, 2013 Residential Nonperforming loan	Dec. 31, 2012 Residential Nonperforming loan	Mar. 31, 2012 Residential TDR (Types of Modifications)	Mar. 31, 2013 Commercial Real Estate ("CRE") Performing loan	Dec. 31, 2012 Commercial Real Estate ("CRE") Performing loan	Mar. 31, 2013 Commercial Real Estate ("CRE") Nonperforming loan	Dec. 31, 2012 Commercial Real Estate ("CRE") Nonperforming loan	Mar. 31, 2012 Commercial Real Estate ("CRE") A/B Note Splits	Mar. 31, 2012 Commercial Real Estate ("CRE") Modifications using forbearance payments, and/or non-market interest changes	Mar. 31, 2013 Commercial and Industrial ("C&I") Performing loan	Dec. 31, 2012 Commercial and Industrial ("C&I") Performing loan	Mar. 31, 2013 Commercial and Industrial ("C&I") Nonperforming loan	Dec. 31, 2012 Commercial and Industrial ("C&I") Nonperforming loan	Mar. 31, 2012 Commercial and Industrial ("C&I") TDR (Types of Modifications)	Mar. 31, 2013 Consumer Performing loan	Dec. 31, 2012 Consumer Modifications using principal and/or interest deferment, and/or rate reduction
Troubled debt restructuring disclosures
Loan balance of restructured loans	$ 57,000	$ 94,600	$ 9,000	$ 10,000	$ 2,400	$ 34,800	$ 28,200	$ 43,500	$ 4,300	$ 5,100	$ 596	$ 24,600	$ 47,400	$ 2,000	$ 1,900	$ 1,700	$ 2,000	$ 3,400	$ 3,600	$ 2,700	$ 3,000	$ 2,500	$ 759	$ 108