LEASES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Lessee, Lease, Description [Line Items]
Weighted average remaining lease terms on operating leases (in years)	12 years 3 months 18 days		12 years 3 months 18 days
Weighted average discount rate on operating leases	1.96%		1.96%
Operating lease cash payments for lease liabilities	$ 653	$ 399	$ 1,910	$ 1,150
Minimum
Lessee, Lease, Description [Line Items]
Operating lease original lease terms (in years)	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease original lease terms (in years)	40 years		40 years