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PROPERTY, PLANT AND EQUIPMENT
 3 Months Ended
Mar. 31, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, at carrying value, is as follows:
March 31,December 31,
20212020
(In thousands)
Gathering, processing and transmission systems and facilities(1)
$206,044 $204,643 
Construction in progress40 904 
Other property and equipment3,239 3,323 
Total property, plant and equipment209,323 208,870 
Less: accumulated depreciation and amortization(15,907)(13,034)
Total property, plant and equipment, net$193,416 $195,836 
(1)Included in gathering, processing, and transmissions systems and facilities are compressors under lease to Apache totaling $10.2 million and $6.2 million, net as of March 31, 2021 and December 31, 2020, respectively.
The cost of property classified as “Construction in progress” is excluded from capitalized costs being depreciated. These amounts represent property that is not yet available to be placed into productive service as of the respective balance sheet date.