Leases (Components of Lease Income) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Operating Lease Income [Line Items]
Direct financing and sales-type leases		$ 6,755	$ 5,247
Operating leases(a)	[1]	2,334	2,184
Total lease income		9,089	7,431
Operating Lease Income from Related Party [Member]
Operating Lease Income [Line Items]
Operating leases(a)		$ 19	$ 19

[1] (a) Includes rent from Tower Properties Company, a related party, of $19 thousand for the three month periods ended March 31, 2023 and 2022