FAIR VALUE OF FINANCIAL INSTRUMENTS (Carrying Amount and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial assets:
Debt securities available for sale	$ 182,334	$ 234,942
Securities held to maturity	3,124	3,712
Other investments
Other Investments	11,097	21,437
Financial liabilities:
Noninterest-bearing demand deposits	1,553,241	1,090,479
Federal Home Loan Bank of New York advances		144,000
Carrying Amount
Financial assets:
Cash and due from banks	8,991	8,116
Overnight deposits	758,913	381,104
Debt securities available for sale	182,334	234,942
Securities held to maturity	3,050	3,722
Equity investments	2,311	2,224
Loans, net	2,955,936	2,646,677
Other investments
FRB Stock	7,381	7,317
FHLB Stock	2,718	8,122
SBA Loan Fund		5,000
Disability Fund	500	500
Time deposits at banks	498	498
Interest rate cap derivative	686
Accrued interest receivable	12,524	8,862
Financial liabilities:
Noninterest-bearing demand deposits	1,553,241	1,090,479
Money market and savings deposits	1,877,420	1,589,920
Time deposits	96,965	110,375
Federal Home Loan Bank of New York advances		144,000
Trust preferred securities payable	20,620	20,620
Subordinated debt, net of issuance cost	24,643	24,601
Accrued interest payable	479	1,229
Total Fair Value
Financial assets:
Cash and due from banks	8,991	8,116
Overnight deposits	758,913	381,104
Debt securities available for sale	182,334	234,942
Securities held to maturity	3,124	3,712
Equity investments	2,311	2,224
Loans, net	2,963,761	2,609,233
Other investments
Disability Fund	500	500
Time deposits at banks	498	498
Interest rate cap derivative	686
Accrued interest receivable	12,524	8,862
Financial liabilities:
Noninterest-bearing demand deposits	1,553,241	1,090,479
Money market and savings deposits	1,877,420	1,589,920
Time deposits	98,254	110,800
Federal Home Loan Bank of New York advances		144,229
Trust preferred securities payable	20,005	20,011
Subordinated debt, net of issuance cost	25,313	25,375
Accrued interest payable	479	1,229
Fair Value, Inputs, Level 1
Financial assets:
Cash and due from banks	8,991	8,116
Overnight deposits	758,913	381,104
Equity investments	2,311	2,224
Other investments
Time deposits at banks	498	498
Financial liabilities:
Noninterest-bearing demand deposits	1,553,241	1,090,479
Money market and savings deposits	1,877,420	1,589,920
Accrued interest payable	6	14
Fair Value, Inputs, Level 2
Financial assets:
Debt securities available for sale	182,334	234,942
Securities held to maturity	3,124	3,712
Other investments
Disability Fund	500	500
Interest rate cap derivative	686
Accrued interest receivable	353	544
Financial liabilities:
Money market and savings deposits	0
Time deposits	98,254	110,800
Federal Home Loan Bank of New York advances		144,229
Subordinated debt, net of issuance cost	25,313	25,375
Accrued interest payable	357	1,009
Fair Value, Inputs, Level 3
Financial assets:
Loans, net	2,963,761	2,609,233
Other investments
Accrued interest receivable	12,171	8,318
Financial liabilities:
Money market and savings deposits	0
Trust preferred securities payable	20,005	20,011
Accrued interest payable	$ 116	$ 206