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Subsequent Events (Narrative) (Details)	Oct. 17, 2025 USD ($) site item	Oct. 16, 2025 USD ($)	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Subsequent Event [Line Items]
Assets held for sale			$ 4,381,000	$ 0
Liabilities held for sale			840,000	$ 0
Property, plant and equipment net			3,400,000
Right of use assets			900,000
Other assets			$ 71,000
Subsequent Event
Subsequent Event [Line Items]
Number of telecommunication towers sold | item	24
Number of sites | site	22
Total purchase price	$ 10,700,000
Sales proceeds, net	8,700,000
Paid into escrow	$ 1,800,000
Term of release of funds from escrow account	6 months
Number of Towers located in lease property | item	4
Amount of annual lease payments	$ 1
Terms of Lease	P25Y
Subsequent Event | Revolving credit facility | Second Amendment
Subsequent Event [Line Items]
Aggregate amount		$ 50,000,000
Subsequent Event | Revolving credit facility | Fourth Amendment
Subsequent Event [Line Items]
Aggregate amount	$ 40,000,000

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