Description of Leasing Arrangements - Additional Information (Detail)			3 Months Ended
	Jan. 25, 2024 USD ($) ft²	Jan. 09, 2024 USD ($) Installment	Mar. 31, 2024 USD ($) Billboard_Face LandLease Location	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Operating Leased Assets [Line Items]
Number of long-term land leases | LandLease			9
Number of long term land leases which have completed construction of improvements | LandLease			8
Rentable area (in square feet) | ft²	100,000
Revenue			$ 1,342,000	$ 1,251,000
Estimated real property taxes attributable to the company land			$ 236,000	236,000
Number of long-term land leases with contingent rent receivable | LandLease			2
Contingent revenue from leasing of parcel of land	$ 0		$ 29,000	27,000
Excess of straight-line rentals over contractual payments			$ 93,562,000
Triple Net Lease [Member] | Minimum [Member]
Operating Leased Assets [Line Items]
Term of leases			99 years
Lamar Lease [Member]
Operating Leased Assets [Line Items]
Number of advertising locations | Location			23
Number of billboard faces along interstate and primary highways leased | Billboard_Face			44
Lease expiration year			2053
Annual increment in base rent of lease, percentage			2.75%
Period for advance receipt of percentage of gross revenue on leases			12 months
Period to recognize specified lease revenue			30 days
Percentage of revenue due in proportion of gross revenues from each standard billboard			30.00%
Percentage of revenue due in proportion of gross revenues from each electronic billboard			20.00%
Metropark Ltd [Member]
Operating Leased Assets [Line Items]
Term of leases			10 years
Proceeds from Rents Received		$ 57,000
Revenue			$ 171,000	132,000
Contingent revenue from leasing of parcel of land			$ 0	0
Notice period of lease			30 days
Payments receivable		1,127,000	$ 150,000	$ 1,070,000	$ 150,000
Payment receivable in each quarterly installment		$ 150,000
Number of quarterly installments | Installment		20
Percentage of interest on unpaid balance		4.73%
Cash collections under rent		$ 57,000