LEASES (Supplemental Cash Flow) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 1,516	$ 2,152
Investing cash flows from operating leases	3,473	4,639
Total cash flows from operating leases	$ 4,989	$ 6,791
Weighted-average remaining lease term in years - operating leases	28 years	28 years
Weighted-average discount rate - operating leases	5.00%	5.00%