GOODWILL AND INTANGIBLE ASSETS, NET - Intangible Asset (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Less accumulated amortization	$ (509,408)	$ (449,259)
Total amortizable intangible assets, net	747,721	786,049
Customer contracts
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	1,136,728	1,135,963
Right of way assets
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	$ 120,401	$ 99,345