DEPOSITS (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deposits [Abstract]
Deposit Liabilities Reclassified as Loans Receivable	$ 1,400	$ 5,000
Deposit Liabilities, Collateral Issued, Financial Instruments	419,600	323,100
Time Deposits, Fiscal Year Maturity [Abstract]
1 year or less	789,237	1,097,407
Over 1 year to 2 years	93,727	204,690
Over 2 years to 3 years	36,739	55,615
Over 3 years to 4 years	13,407	24,038
Over 4 years to 5 years	17,519	13,565
Time Deposits	$ 950,629	$ 1,395,315
1 year or less (as percent)	83.00%	78.60%
Over 1 years to 2 years (as percent)	9.90%	14.70%
Over 2 years to 3 years (as percent)	3.90%	4.00%
Over 3 years to 4 years (as percent)	1.40%	1.70%
Over 4 years to 5 years (as percent)	1.80%	1.00%
Time Deposits (as percent)	100.00%	100.00%
Deposits over $250,000.00	$ 202,200	$ 244,700