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Real Property Interests - Summary of Real Property Interests, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Leases [Abstract]    
Right-of-use assets - finance leases $ 339,882 $ 319,457
Telecom real property interests 1,320,185 1,257,373
Real property interests, gross 1,660,067 1,576,830
Right-of-use assets - finance leases (20,921) (17,592)
Telecom real property interests (97,612) (83,187)
Real property interests, net $ 1,541,534 $ 1,476,051