FAIR VALUE - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Capitalization Rates Utilized To Determine Fair Value Of Underlying Collateral Averaged Percentage	7.90%
Loans and Leases Receivable, Allowance	$ 22,684	$ 20,725	$ 19,128	$ 19,279	$ 18,579	$ 17,007
Loans Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	300
Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Charge Offs	100
Other Real Estate Owned And Other Reductions	700
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	2,900
Other Real Estate Revenue	7,700
Other real estate owned and other reductions classified as level three transfers in	4,900
Loans Receivable, Fair Value Disclosure	2,500		7,500
Loans and Leases Receivable, Allowance	$ 4,700		$ 2,900