FAIR VALUE OF FINANCIAL INSTRUMENTS (Carrying Amount and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financial assets:
Securities held to maturity	$ 442,400	$ 437,300
Equity investments	2,066	2,048
Other investments
Receivable from global payments business, net	84,919	85,605
Financial liabilities:
Noninterest-bearing demand deposits	1,730,380	2,422,151
Federal funds purchased	243,000	150,000
Federal Home Loan Bank of New York advances	200,000	100,000
Carrying Amount
Financial assets:
Cash and due from banks	33,534	26,780
Overnight deposits	168,242	230,638
Securities held to maturity	515,613	510,425
Loans, net	5,097,896	4,795,647
Other investments
FRB Stock	11,410	11,421
FHLB Stock	14,632	9,191
Disability Fund	1,500	1,000
Time deposits at banks	498	498
Receivable from global payments business, net	84,919	85,605
Accrued interest receivable	25,301	24,107
Financial liabilities:
Noninterest-bearing demand deposits	1,730,380	2,422,151
Money market and savings deposits	3,516,853	2,803,698
Time deposits	41,332	52,063
Federal funds purchased	243,000	150,000
Federal Home Loan Bank of New York advances	200,000	100,000
Trust preferred securities payable	20,620	20,620
Prepaid debit cardholder balances	10,772	10,579
Accrued interest payable	652	728
Secured Borrowings	7,655	7,725
Total Fair Value
Financial assets:
Cash and due from banks	33,534	26,780
Overnight deposits	168,242	230,638
Securities held to maturity	442,433	437,290
Loans, net	4,971,753	4,737,007
Other investments
Disability Fund	1,500	1,000
Time deposits at banks	498	498
Receivable from global payments business, net	84,919	85,605
Accrued interest receivable	25,301	24,107
Financial liabilities:
Noninterest-bearing demand deposits	1,730,380	2,422,151
Money market and savings deposits	3,516,853	2,803,698
Time deposits	40,537	51,058
Federal funds purchased	243,000	150,000
Federal Home Loan Bank of New York advances	200,000	100,000
Trust preferred securities payable	19,986	19,953
Prepaid debit cardholder balances	10,772	10,579
Accrued interest payable	652	728
Secured Borrowings	7,655	7,725
Fair Value, Inputs, Level 1
Financial assets:
Cash and due from banks	33,534	26,780
Overnight deposits	168,242	230,638
Other investments
Time deposits at banks	498	498
Financial liabilities:
Noninterest-bearing demand deposits	1,730,380	2,422,151
Money market and savings deposits	3,516,853	2,803,698
Accrued interest payable	12	112
Fair Value, Inputs, Level 2
Financial assets:
Securities held to maturity	442,433	437,290
Other investments
Disability Fund	1,500	1,000
Accrued interest receivable	931	964
Financial liabilities:
Time deposits	40,537	51,058
Federal funds purchased	243,000	150,000
Federal Home Loan Bank of New York advances	200,000	100,000
Accrued interest payable	265	293
Secured Borrowings	7,655	7,725
Fair Value, Inputs, Level 3
Financial assets:
Loans, net	4,971,753	4,737,007
Other investments
Receivable from global payments business, net	84,919	85,605
Accrued interest receivable	24,370	23,143
Financial liabilities:
Trust preferred securities payable	19,986	19,953
Prepaid debit cardholder balances	10,772	10,579
Accrued interest payable	$ 375	$ 323