LEASES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Operating Leased Assets [Line Items]
Operating Lease, Cost	$ 666	$ 561
Short-term Lease, Cost	48	49
Variable Lease, Cost	10	10
Other Lease Expense	7	7
Lease, Cost	731	627
Operating Lease, Payments	588
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 1,388	5,775	$ 0
Operating Lease, Weighted Average Remaining Lease Term	33 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent	3.43%
Rental expenses	$ 731	627	$ 519
Minimum annual rentals payment [Abstract]
2017	686
2018	548
2019	525
2020	527
2021	348
Thereafter	9,870
Lessee, Operating Lease, Liability, Payments, Due	12,504
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	6,133
Operating Lease, Liability	$ 6,371	$ 5,446
Fairfield Office Lease [Member]
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Term of Contract	1 year
Oxford Lease [Member]
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Number Of Renewal Options	0
Lessee, Operating Lease, Remaining Lease Term	41 years
Oakwood Lease [Member]
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Renewal Term	5 years
Lessee, Operating Lease, Number Of Renewal Options	6
Lessee, Operating Lease, Remaining Lease Term	17 years
Other Leases [Member]
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Renewal Term	5 years
Minimum [Member] | Other Leases [Member]
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Remaining Lease Term	1 year
Maximum [Member] | Other Leases [Member]
Operating Leased Assets [Line Items]
Lessee, Operating Lease, Remaining Lease Term	6 years