SECURITIES (Debt Securities, Held-to-Maturity, Allowance for Credit Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Mar. 31, 2020	Jan. 01, 2020
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		$ 0
Impact of adopting ASC 326	$ 102	0	$ 102	$ 0
(Recapture)/Provision for credit losses	0	39
Ending Balance	102	102
Impact of Topic 326 Adoption
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		63
Impact of adopting ASC 326		63		63
U.S. Government and agency obligations
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		0
Impact of adopting ASC 326	0	0	0	0
(Recapture)/Provision for credit losses	0	0
Ending Balance	0	0
U.S. Government and agency obligations | Impact of Topic 326 Adoption
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		0
Impact of adopting ASC 326		0		0
Municipal bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		0
Impact of adopting ASC 326	60	0	61	0
(Recapture)/Provision for credit losses	(1)	32
Ending Balance	60	60
Municipal bonds | Impact of Topic 326 Adoption
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		28
Impact of adopting ASC 326		28		28
Corporate bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		0
Impact of adopting ASC 326	42	0	41	0
(Recapture)/Provision for credit losses	1	7
Ending Balance	42	42
Corporate bonds | Impact of Topic 326 Adoption
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		35
Impact of adopting ASC 326		35		35
Mortgage-backed or related securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		0
Impact of adopting ASC 326	0	0	$ 0	0
(Recapture)/Provision for credit losses	0	0
Ending Balance	$ 0	0
Mortgage-backed or related securities | Impact of Topic 326 Adoption
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Beginning Balance		0
Impact of adopting ASC 326		$ 0		$ 0