FAIR VALUES - Carrying Amounts and Estimated Fair Values of Other Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financial assets:
Cash and due from financial institutions	$ 24,886	$ 28,130
Interest-bearing deposits in other financial institutions	1,299	1,033
Trading assets	701
Securities available for sale	344,820	280,507
Securities held to maturity	4,566	5,831
FHLBNY and FRBNY stock	4,797
Loans, net	1,154,373	1,107,888
Loans held for sale	1,076	665
Accrued interest receivable	2,870	2,780
Deposits:
Time deposits	166,079	211,843
Securities sold under agreements to repurchase	28,453	29,652	$ 32,701
FHLBNY overnight advances	13,900	30,830
FHLBNY term advances	19,203	19,310
Carrying Amount
Financial assets:
Cash and due from financial institutions		28,130
Interest-bearing deposits in other financial institutions		1,033
Trading assets		549
Securities available for sale		280,507
Securities held to maturity		5,831
FHLBNY and FRBNY stock		5,535
Loans, net		1,107,888
Loans held for sale		665
Accrued interest receivable	4,015	4,185
Derivative Asset	15
Deposits:
Demand, savings, and insured money market accounts	1,234,216	1,068,171
Time deposits	166,079	211,843
Securities sold under agreements to repurchase		29,652
FHLBNY overnight advances		30,830
FHLBNY term advances		19,310
Accrued interest payable	209	237
Derivative liabilities	63	18
Estimated Fair Value
Financial assets:
Cash and due from financial institutions	24,886	28,130
Interest-bearing deposits in other financial institutions	1,299	1,033
Trading assets	701	549
Securities available for sale	344,820	280,507
Securities held to maturity	4,822	6,197
Loans, net	1,178,081	1,135,590
Loans held for sale	1,076	665
Accrued interest receivable	4,015	4,185
Derivative Asset	15
Deposits:
Demand, savings, and insured money market accounts	1,234,216	1,068,171
Time deposits	166,551	212,397
Securities sold under agreements to repurchase	29,128	30,853
FHLBNY overnight advances	13,901	30,832
FHLBNY term advances	19,658	20,235
Accrued interest payable	209	237
Derivative liabilities	63	18
Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and due from financial institutions	24,886	28,130
Interest-bearing deposits in other financial institutions	1,299	1,033
Trading assets	701	549
Securities available for sale		31,219
Securities held to maturity	0	0
FHLBNY and FRBNY stock	0	0
Loans, net	0	0
Loans held for sale	0	0
Accrued interest receivable	39	145
Derivative Asset	0
Deposits:
Demand, savings, and insured money market accounts	1,234,216	1,068,171
Time deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLBNY overnight advances	0	0
FHLBNY term advances	0	0
Accrued interest payable	17	15
Derivative liabilities	0	0
Estimated Fair Value | Significant Other Observable Inputs (Level 2)
Financial assets:
Cash and due from financial institutions	0	0
Interest-bearing deposits in other financial institutions	0	0
Trading assets	0	0
Securities available for sale		249,288
Securities held to maturity		6,197
FHLBNY and FRBNY stock	0	0
Loans, net	0	0
Loans held for sale	1,076	665
Accrued interest receivable	1,141	1,295
Derivative Asset	15
Deposits:
Demand, savings, and insured money market accounts	0	0
Time deposits	166,551	212,397
Securities sold under agreements to repurchase	29,128	30,853
FHLBNY overnight advances	13,901	30,832
FHLBNY term advances	19,658	20,235
Accrued interest payable	192	222
Derivative liabilities	15	0
Estimated Fair Value | Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and due from financial institutions	0	0
Interest-bearing deposits in other financial institutions	0	0
Trading assets	0	0
Securities available for sale		0
Securities held to maturity	4,822	0
FHLBNY and FRBNY stock	0	0
Loans, net	1,178,081	1,135,590
Loans held for sale	0	0
Accrued interest receivable	2,835	2,745
Derivative Asset	0
Deposits:
Demand, savings, and insured money market accounts	0	0
Time deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLBNY overnight advances	0	0
FHLBNY term advances	0	0
Accrued interest payable	0	0
Derivative liabilities	$ 48	$ 18