SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Operating items, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Other operating items, net	$ 2,898	$ 1,233	$ 6,444	$ 2,799
Professional service fees	2,800	1,500		3,000
Loss on disposition of assets	$ 100	100		100
Litigation proceeds		300		300
Insurance claim proceeds		$ 100		100
Equipment, supplies and employee testing expenses directly attributable to the pandemic for reopening of the properties and incremental to normal operations				$ 100