LOANS (Details Textual) - USD ($)	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans And Leases Receivable Gross Carrying Amount Non Covered Loans	$ 767,500,000	$ 673,700,000	$ 674,200,000
Covered Loans Acquired	191,000,000	313,600,000	271,300,000
Modified loans	77,400,000	16,400,000
Troubled debt restructurings, previous charge-offs	1,300,000	4,400,000	2,200,000
Allowance for loan losses allocated to troubled debt restructurings	183,000	2,200,000	231,000
Troubled debt restructuring loans	2,568,000	449,000
Purchased Loan Pools	410,072,000	0	0
Purchase Premium Paid At Acquisition	8,000,000
Residential mortgages on properties principal balances	402,100,000
Purchased Non Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	11,374,000	17,007,000	18,249,000
Modified loans	18,178,000	28,249,000	32,022,000
Troubled debt restructurings, previous charge-offs	60,000		29,000
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	618,000
Troubled debt restructuring loans	7,188,000	583,000	1,212,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,400,000	830,000,000,000
Purchased Loan Pools	410,072,000
Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	33,084,000	39,283,000	35,412,000
Modified loans	25,708,000	38,289,000	33,383,000
Troubled debt restructurings, previous charge-offs	1.4	2,100,000	1,800,000
Troubled debt restructuring loans	2,483,000	2,397,000	24,600,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,500,000	4,300,000
Purchased Loan Pools	0
Transferred From Covered Loan To Purchased Non Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modifications, Post-Modification Recorded Investment	4,100,000
Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	20,558,000	22,810,000	21,728,000
Modified loans	32,268,000	34,643,000	33,107,000
Troubled debt restructurings principal balances	4,300,000	2,400,000
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	2,600,000	1,300,000
Troubled debt restructuring loans	12,075,000	$ 17,261,000	$ 12,759,000
Maximum [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	200,000
Maximum [Member] | Internal Loan Review Department [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount of Loan Relationship With Risk Ratings Reviewed Annually	$ 1,000,000
Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan To Value Ratio	110.00%
Past due loan accrued	90 days
Minimum [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	$ 100,000
Minimum [Member] | Independent Third Party Loan Review [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount of Loan Relationship With Risk Ratings Reviewed Annually	250,000
Minimum [Member] | Internal Loan Review Department [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount of Loan Relationship With Risk Ratings Reviewed Annually	$ 1,000,000