NON-COVERED LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 8) (Non-covered loans, USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	$ 67,200	$ 71,800
Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	22,400	11,100
Residential | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	19,700	17,400
Residential | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	9,100	3,600
Commercial Real Estate ("CRE") | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	30,100	37,600
Commercial Real Estate ("CRE") | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	8,300	3,400
Commercial and Industrial ("C&I") | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	16,100	16,700
Commercial and Industrial ("C&I") | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	5,000	3,500
Consumer | Performing loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	1,300	108
Consumer | Nonperforming loan
Troubled debt restructuring disclosures
Loan balance of restructured loans	$ 0	$ 639