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PROPERTY, PLANT AND EQUIPMENT (Tables)
3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment Depreciation and amortization are computed using the straight-line method over the estimated useful lives of the assets as follows:
Estimated Useful Life
Buildings 30 years
Gathering, processing and transmission systems and facilities 20 years
Furniture and fixtures 7 years
Vehicles 5 years
Computer hardware and software 3 years

Property, plant and equipment, at carrying value, is as follows:
March 31, December 31,
2022 2021
(In thousands)
Gathering, processing and transmission systems and facilities $ 2,770,137  $ 2,121,434 
Vehicles 7,055  6,090 
Computers and equipment 4,492  4,271 
Less: accumulated depreciation (367,629) (337,030)
Total depreciable assets, net 2,414,055  1,794,765 
Construction in progress 44,142  24,888 
Land 19,747  19,626 
Total property, plant and equipment, net $ 2,477,944  $ 1,839,279