FAIR VALUE OF FINANCIAL INSTRUMENTS (Carrying Amount and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financial assets:
Debt securities available for sale	$ 189,359	$ 234,942
Securities held to maturity	3,406	3,712
Other investments
Other Investments	15,731	21,437
Financial liabilities:
Noninterest-bearing demand deposits	1,526,439	1,090,479
Federal Home Loan Bank of New York advances	104,000	144,000
Carrying Amount
Financial assets:
Cash and due from banks	9,529	8,116
Overnight deposits	813,147	381,104
Debt securities available for sale	189,359	234,942
Securities held to maturity	3,319	3,722
Equity investments	2,301	2,224
Loans, net	2,859,769	2,646,677
Other investments
FRB Stock	7,335	7,317
FHLB Stock	7,398	8,122
SBA Loan Fund		5,000
Disability Fund	500	500
Time deposits at banks	498	498
Interest rate cap derivative	989
Accrued interest receivable	11,148	8,862
Financial liabilities:
Noninterest-bearing demand deposits	1,526,439	1,090,479
Money market and savings deposits	1,769,419	1,589,920
Time deposits	98,881	110,375
Federal Home Loan Bank of New York advances	104,000	144,000
Trust preferred securities payable	20,620	20,620
Subordinated debt, net of issuance cost	24,629	24,601
Accrued interest payable	1,199	1,229
Total Fair Value
Financial assets:
Cash and due from banks	9,529	8,116
Overnight deposits	813,147	381,104
Debt securities available for sale	189,359	234,942
Securities held to maturity	3,406	3,712
Equity investments	2,301	2,224
Loans, net	2,858,854	2,609,233
Other investments
Disability Fund	500	500
Time deposits at banks	498	498
Interest rate cap derivative	989
Accrued interest receivable	11,148	8,862
Financial liabilities:
Noninterest-bearing demand deposits	1,526,439	1,090,479
Money market and savings deposits	1,769,419	1,589,920
Time deposits	100,209	110,800
Federal Home Loan Bank of New York advances	104,384	144,229
Trust preferred securities payable	20,082	20,011
Subordinated debt, net of issuance cost	25,000	25,375
Accrued interest payable	1,199	1,229
Fair Value, Inputs, Level 1
Financial assets:
Cash and due from banks	9,529	8,116
Overnight deposits	813,147	381,104
Equity investments	2,301	2,224
Other investments
Time deposits at banks	498	498
Financial liabilities:
Noninterest-bearing demand deposits	1,526,439	1,090,479
Money market and savings deposits	1,769,419	1,589,920
Accrued interest payable	6	14
Fair Value, Inputs, Level 2
Financial assets:
Debt securities available for sale	189,359	234,942
Securities held to maturity	3,406	3,712
Other investments
Disability Fund	500	500
Interest rate cap derivative	989
Accrued interest receivable	375	544
Financial liabilities:
Money market and savings deposits	0
Time deposits	100,209	110,800
Federal Home Loan Bank of New York advances	104,384	144,229
Subordinated debt, net of issuance cost	25,000	25,375
Accrued interest payable	1,029	1,009
Fair Value, Inputs, Level 3
Financial assets:
Loans, net	2,858,854	2,609,233
Other investments
Accrued interest receivable	10,773	8,318
Financial liabilities:
Money market and savings deposits	0
Trust preferred securities payable	20,082	20,011
Accrued interest payable	$ 164	$ 206