NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 8) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	$ 71,300	$ 71,800
Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	13,700	11,100
A/B Note Splits | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	3,400	4,300
Residential | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	18,500	17,400
Residential | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	5,700	3,600
Commercial Real Estate ("CRE") | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	36,000	37,600
Commercial Real Estate ("CRE") | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	3,300	3,400
Commercial and Industrial ("C&I") | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	16,700	16,700
Commercial and Industrial ("C&I") | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	4,100	3,500
Consumer | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	108	108
Consumer | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	$ 634	$ 639