FHLBNY ADVANCES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances extinguished	$ 209,010	$ 70,750	$ 313,900
Weighted average rate	1.31%	1.15%	2.35%
Loss on extinguishment of debt	$ 1,751	$ 1,104	$ 3,780
Contractual Maturity, Amount
Total FHLBNY advances, amount	$ 25,000	$ 1,204,010
Weighted Average Rate
Total FHLBNY advances, Weighted Average Rate (as a percent)	0.35%	0.53%
Fixed rate at 0.35%
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances, fixed rate	0.35%
Contractual Maturity, Amount
2021/2022	$ 25,000
Weighted Average Rate
2021/2022	0.35%
Fixed rate at rates from 0.24% to 2.09%
Contractual Maturity, Amount
2021/2022		$ 1,144,010
Weighted Average Rate
2021/2022		0.52%
Fixed rate at rates from 0.33% to 1.79%
Contractual Maturity, Amount
2022		$ 60,000
Weighted Average Rate
2022		0.60%
Maximum | Fixed rate at rates from 0.24% to 2.09%
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances, fixed rate		2.09%
Maximum | Fixed rate at rates from 0.33% to 1.79%
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances, fixed rate		1.79%
Minimum | Fixed rate at rates from 0.24% to 2.09%
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances, fixed rate		0.24%
Minimum | Fixed rate at rates from 0.33% to 1.79%
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLBNY advances, fixed rate		0.33%