FAIR VALUE - Carrying Amounts and Estimated Fair Values of Other Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financial Assets [Abstract]
Cash and due from financial institutions	$ 35,345	$ 24,886
Interest-bearing deposits in other financial institutions	100,159	1,299
Securities available for sale	303,259	344,820
Securities held to maturity	4,746	4,822
Loans, net	1,201,241	1,154,373
Accrued interest receivable	2,912	2,870
Financial liabilities [Abstract]
Securities sold under agreements to repurchase	30,002	28,453
FHLBNY overnight advances	0	13,900
FHLBNY term advances	19,121	19,203
Recurring [Member]
Financial Assets [Abstract]
Securities available for sale	303,259	344,820
Derivative assets	359	15
Financial liabilities [Abstract]
Derivative liabilities	453	63
Recurring [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial Assets [Abstract]
Cash and due from financial institutions	35,345	24,886
Interest-bearing deposits in other financial institutions	100,159	1,299
Trading assets	720	701
Securities available for sale	52	14,840
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	3	39
Derivative assets	0	0
Financial liabilities [Abstract]
Demand, savings, and insured money market accounts	1,360,526	1,234,216
Time deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLBNY overnight advances		0
FHLBNY term advances	0	0
Accrued interest payable	20	17
Derivative liabilities	0	0
Recurring [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Financial Assets [Abstract]
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	302,952	329,732
Securities held to maturity	0	0
FHLBNY and FRBNY stock	0	0
Loans, net	0	0
Loans held for sale	125	1,076
Accrued interest receivable	1,084	1,141
Derivative assets	359	15
Financial liabilities [Abstract]
Demand, savings, and insured money market accounts	0	0
Time deposits	148,808	166,551
Securities sold under agreements to repurchase	30,559	29,128
FHLBNY overnight advances		13,901
FHLBNY term advances	19,419	19,658
Accrued interest payable	181	192
Derivative liabilities	359	15
Recurring [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Financial Assets [Abstract]
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	255	248
Securities held to maturity	4,746	4,822
FHLBNY and FRBNY stock	0	0
Loans, net	1,224,046	1,178,081
Loans held for sale	0	0
Accrued interest receivable	2,880	2,835
Derivative assets	0	0
Financial liabilities [Abstract]
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
FHLBNY term advances	0	0
Accrued interest payable	0	0
Derivative liabilities	94	48
Recurring [Member] \| Carrying Amount [Member]
Financial Assets [Abstract]
Cash and due from financial institutions	35,345	24,886
Interest-bearing deposits in other financial institutions	100,159	1,299
Trading assets	720	701
Securities available for sale	303,259	344,820
Securities held to maturity	4,504	4,566
FHLBNY and FRBNY stock	4,491	4,797
Loans, net	1,201,241	1,154,373
Loans held for sale	119	1,076
Accrued interest receivable	3,967	4,015
Derivative assets	359	15
Financial liabilities [Abstract]
Demand, savings, and insured money market accounts	1,360,526	1,234,216
Time deposits	148,418	166,079
Securities sold under agreements to repurchase	30,002	28,453
FHLBNY overnight advances		13,900
FHLBNY term advances	19,121	19,203
Accrued interest payable	201	209
Derivative liabilities	453	63
Recurring [Member] \| Estimated Fair Value [Member]
Financial Assets [Abstract]
Cash and due from financial institutions	35,345	24,886
Interest-bearing deposits in other financial institutions	100,159	1,299
Trading assets	720	701
Securities available for sale	303,259	344,820
Securities held to maturity	4,746	4,822
Loans, net	1,224,046	1,178,081
Loans held for sale	125	1,076
Accrued interest receivable	3,967	4,015
Derivative assets	359	15
Financial liabilities [Abstract]
Demand, savings, and insured money market accounts	1,360,526	1,234,216
Time deposits	148,808	166,551
Securities sold under agreements to repurchase	30,559	29,128
FHLBNY overnight advances		13,901
FHLBNY term advances	19,419	19,658
Accrued interest payable	201	209
Derivative liabilities	$ 453	$ 63

The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice. Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs). Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

No definition available.