Schedule III - Schedule of Real Estate and Accumulated Depreciation (Schedule of Real Estate and Accumulated Depreciation) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) site	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Description | site	39,749
Encumbrances	$ 10,672,750
Gross Amount Carried at Close of Current Period	8,213,791	$ 8,231,510	$ 7,993,750	$ 7,068,208
Accumulated Depreciation at Close of Current Period	$ (4,291,860)	$ (4,232,369)	$ (3,925,893)	$ (3,644,238)
Date of Construction	Various
Date Acquired	Various
Secured debt	$ 10,700,000
Maximum [Member]
Life on Which Depreciation in Latest Income Statement is Computed	70 years
Product Concentration Risk [Member] | Minimum [Member] | Real Estate, Gross [Member] | Sites [Member]
Concentration risk percentage	5.00%