FAIR VALUE - Carrying Amounts and Estimated Fair Values of Other Financial Instruments (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Financial assets:
Cash and due from financial institutions	$ 31,831,000	$ 27,966,000
Interest-earning deposits in other financial institutions	82,081,000	2,763,000
Securities available for sale	246,473,000	293,091,000
Securities held to maturity	4,190,000	3,776,000
Loans, net and loans held for sale	1,301,003,000	1,290,663,000
Accrued interest receivable	3,884,000	3,758,000
Financial liabilities:
Securities sold under agreements to repurchase	0	10,000,000
FHLBNY overnight advances	0	57,700,000
FHLBNY term advances	0	2,000,000
Recurring
Financial assets:
Equity investments	1,153,000	1,192,000
Securities available for sale	246,473,000	293,091,000
Derivative assets	2,503,000	974,000
Financial liabilities:
Derivative liabilities	2,516,000	1,049,000
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and due from financial institutions	31,831,000	27,966,000
Interest-earning deposits in other financial institutions	82,081,000	2,763,000
Equity investments	1,153,000	1,192,000
Securities available for sale	0	0
Securities held to maturity	0	0
FHLBNY and FRBNY stock	0	0
Loans, net and loans held for sale	0	0
Loans held for sale		0
Accrued interest receivable	17,000	1,000
Derivative assets	0	0
Financial liabilities:
Demand, savings, and insured money market accounts	1,431,096,000	1,349,084,000
Time deposits	0	0
Securities sold under agreements to repurchase		0
FHLBNY overnight advances		0
FHLBNY term advances		0
Accrued interest payable	29,000	24,000
Derivative liabilities	0	0
Recurring \| Significant Other Observable Inputs (Level 2)
Financial assets:
Cash and due from financial institutions	0	0
Interest-earning deposits in other financial institutions	0	0
Equity investments	0	0
Securities available for sale	246,473,000	293,091,000
Securities held to maturity	2,067,000	1,830,000
FHLBNY and FRBNY stock	0	0
Loans, net and loans held for sale	0	0
Loans held for sale		542,000
Accrued interest receivable	867,000	867,000
Derivative assets	2,503,000	974,000
Financial liabilities:
Demand, savings, and insured money market accounts	0	0
Time deposits	145,401,000	118,598,000
Securities sold under agreements to repurchase		10,058,000
FHLBNY overnight advances		57,700,000
FHLBNY term advances		2,001,000
Accrued interest payable	147,000	124,000
Derivative liabilities	2,503,000	974,000
Recurring \| Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and due from financial institutions	0	0
Interest-earning deposits in other financial institutions	0	0
Equity investments	0	0
Securities available for sale	0	0
Securities held to maturity	2,123,000	1,946,000
FHLBNY and FRBNY stock	0	0
Loans, net and loans held for sale	1,283,057,000	1,289,584,000
Loans held for sale		0
Accrued interest receivable	3,884,000	3,774,000
Derivative assets	0	0
Financial liabilities:
Demand, savings, and insured money market accounts	0	0
Time deposits	0	0
Securities sold under agreements to repurchase		0
FHLBNY overnight advances		0
FHLBNY term advances		0
Accrued interest payable	0	0
Derivative liabilities	13,000	75,000
Recurring \| Carrying Amount
Financial assets:
Cash and due from financial institutions	31,831,000	27,966,000
Interest-earning deposits in other financial institutions	82,081,000	2,763,000
Equity investments	1,153,000	1,192,000
Securities available for sale	246,473,000	293,091,000
Securities held to maturity	4,203,000	3,781,000
FHLBNY and FRBNY stock	3,138,000	5,784,000
Loans, net and loans held for sale	1,302,718,000	1,291,205,000
Loans held for sale		542,000
Accrued interest receivable	4,768,000	4,642,000
Derivative assets	2,503,000	974,000
Financial liabilities:
Demand, savings, and insured money market accounts	1,431,096,000	1,349,084,000
Time deposits	144,901,000	118,362,000
Securities sold under agreements to repurchase		10,000,000
FHLBNY overnight advances		57,700,000
FHLBNY term advances		2,000,000
Accrued interest payable	176,000	148,000
Derivative liabilities	2,516,000	1,049,000
Recurring \| Estimated Fair Value
Financial assets:
Cash and due from financial institutions	31,831,000	27,966,000
Interest-earning deposits in other financial institutions	82,081,000	2,763,000
Equity investments	1,153,000	1,192,000
Securities available for sale	246,473,000	293,091,000
Securities held to maturity	4,190,000	3,776,000
Loans, net and loans held for sale	1,283,057,000	1,289,584,000
Loans held for sale		542,000
Accrued interest receivable	4,768,000	4,642,000
Derivative assets	2,503,000	974,000
Financial liabilities:
Demand, savings, and insured money market accounts	1,431,096,000	1,349,084,000
Time deposits	145,401,000	118,598,000
Securities sold under agreements to repurchase		10,058,000
FHLBNY overnight advances		57,700,000
FHLBNY term advances		2,001,000
Accrued interest payable	176,000	148,000
Derivative liabilities	$ 2,516,000	$ 1,049,000

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.