Leases (Components of Lease Income) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Lease Income [Line Items]
Direct financing and sales-type leases		$ 5,477	$ 5,482	$ 15,838	$ 17,398
Operating leases(a)	[1]	2,175	1,717	6,517	5,721
Total lease income		7,652	7,199	22,355	23,119
Operating Lease Income from Related Party [Member]
Operating Lease Income [Line Items]
Operating leases(a)		$ 19	$ 19	$ 57	$ 57

[1] (a) Includes rent from Tower Properties Company, a related party, of $19 thousand for the three month periods ended September 30, 2022 and 2021, and $57 thousand for the nine months ended September 30, 2022 and 2021