LOANS (covered) - Carrying Value of Purchased Impaired and Nonimpaired Loans (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	$ 365,603	$ 457,873
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	27,488	42,316
Real estate-construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	2,021	8,556
Real estate-commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	208,338	268,633
Real estate - residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	74,960	80,733
Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	4,415	5,641
Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	46,100	49,624
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	2,281	2,370
Loans Accounted for Under FASB ASC Topic 310-30
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	311,048	399,655
Loans Accounted for Under FASB ASC Topic 310-30 | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	26,150	41,172
Loans Accounted for Under FASB ASC Topic 310-30 | Real estate-construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	2,021	8,556
Loans Accounted for Under FASB ASC Topic 310-30 | Real estate-commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	202,963	263,146
Loans Accounted for Under FASB ASC Topic 310-30 | Real estate - residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	74,960	80,733
Loans Accounted for Under FASB ASC Topic 310-30 | Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	3,890	5,073
Loans Accounted for Under FASB ASC Topic 310-30 | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	1,064	975
Loans Accounted for Under FASB ASC Topic 310-30 | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	0	0
Loans Excluded from FASB ASC Topic 310-30
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	54,555	58,218
Loans Excluded from FASB ASC Topic 310-30 | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	1,338	1,144
Loans Excluded from FASB ASC Topic 310-30 | Real estate-construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	0	0
Loans Excluded from FASB ASC Topic 310-30 | Real estate-commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	5,375	5,487
Loans Excluded from FASB ASC Topic 310-30 | Real estate - residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	0	0
Loans Excluded from FASB ASC Topic 310-30 | Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	525	568
Loans Excluded from FASB ASC Topic 310-30 | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	45,036	48,649
Loans Excluded from FASB ASC Topic 310-30 | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Covered loans	$ 2,281	$ 2,370