FAIR VALUE MEASUREMENTS - Quantitative inputs and assumptions for Level 3 financial instruments carried at fair value on nonrecurring basis (Details 2) (Level 3, Fair Value Measurements Nonrecurring, USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 6,461	$ 3,723
Foreclosed real estate	829	829
Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	6,461	3,723
Valuation Methodology, Appraisals	Appraisals	Appraisals
Valuation Methodology, Discounted cash flows	Discounted cash flows	Discounted cash flows
Unobservable Input, Discount for dated appraisals	0.00%
Unobservable Input, Discount rate		6.00%
Impaired loans | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unobservable Input, Discount for dated appraisals		0.00%
Unobservable Input, Discount rate	3.25%
Impaired loans | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unobservable Input, Discount for dated appraisals		20.00%
Unobservable Input, Discount rate	7.00%
Foreclosed Real Estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed real estate	$ 829	$ 829
Valuation Methodology, Appraisals	Appraisals	Appraisals
Foreclosed Real Estate | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unobservable Input, Discount for dated appraisals	34.80%	34.80%
Foreclosed Real Estate | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unobservable Input, Discount for dated appraisals	66.60%	66.60%