PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 322,086	$ 313,700
Plant, Equipment, and Water and Sewer Lines
Property, Plant and Equipment [Line Items]
Plant, equipment, and water and sewer lines	$ 319,418	311,041
Plant, Equipment, and Water and Sewer Lines | Minimum
Property, Plant and Equipment [Line Items]
Useful life	5 years
Plant, Equipment, and Water and Sewer Lines | Maximum
Property, Plant and Equipment [Line Items]
Useful life	50 years
Computer And Office Equipment
Property, Plant and Equipment [Line Items]
Computers, office equipment and software	$ 2,668	$ 2,659
Computer And Office Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life	3 years
Computer And Office Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life	15 years