Leases (Components of Lease Income) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Lease Income [Line Items]
Direct financing and sales-type leases		$ 8,160	$ 5,477	$ 22,456	$ 15,838
Operating leases(a)	[1]	3,399	2,175	9,215	6,517
Total lease income		11,559	7,652	31,671	22,355
Operating Lease Income from Related Party [Member]
Operating Lease Income [Line Items]
Operating leases(a)		$ 19	$ 19	$ 58	$ 58

[1] (a) Includes rent from Tower Properties Company, a related party, of $19 thousand for both of the three month periods ended September 30, 2023 and 2022 and $58 thousand for both of the nine month periods ended September 30, 2023 and 2022.