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FAIR VALUE - Quantitative Information (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Corporate Bonds and Notes | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Assets, fair value disclosure	$ 255	$ 248
Corporate Bonds and Notes | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	1.73%	1.73%
Corporate Bonds and Notes | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	1.73%	1.73%
Corporate Bonds and Notes | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	1.73%	1.73%
Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value	$ 831	$ 2,916
Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Third Party Appraisals [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	100.00%	100.00%
Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Third Party Appraisals [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	0.00%	0.00%
Other real estate owned [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Other real estate owned expense associated with valuation allowance	$ 120
Other real estate owned [Member] | Non-recurring [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	367	$ 1,530
Other real estate owned [Member] | Non-recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	0	0
Other real estate owned [Member] | Non-recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	0	1,491
Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value	367	39
Outstanding balance of OREO	$ 367	39
Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Third Party Appraisals [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	31.00%
Fair value	$ 316	$ 39
Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Third Party Appraisals [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)		27.00%
Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Third Party Appraisals [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)		7.00%
Derivative Liabilities | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Liabilities, fair value disclosure	$ 94	$ 48
Derivative Liabilities | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	4.79%	5.83%
Derivative Liabilities | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	4.79%	5.83%
Derivative Liabilities | Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	4.79%	5.83%
Commercial Mortgages other [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value	$ 613	$ 2,629
Commercial Mortgages other [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	22.10%	17.19%
Commercial Mortgages other [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	12.88%	10.00%
Commercial Mortgages other [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	14.56%	16.06%
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	$ 51	$ 1,491
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	0	0
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	0	1,491
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value	51
Outstanding balance of OREO	$ 51	0
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%
Commercial Mortgages other [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%
Home Equity Lines and Loans [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Fair value	$ 218	$ 287
Home Equity Lines and Loans [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%	18.04%
Home Equity Lines and Loans [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%	18.04%
Home Equity Lines and Loans [Member] | Impaired Loans [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%	18.04%
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	$ 316	$ 39
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	0	0
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	0	0
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Outstanding balance of OREO	$ 316	$ 39
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	51.55%	22.30%
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	20.80%	22.30%
Residential Mortgage [Member] | Other real estate owned [Member] | Non-recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member]
Information related to Level 3 non-recurring fair value measurement [Abstract]
Discount rate (in hundredths)	30.93%	22.30%

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off.

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