Real Estate (Intangible Assets and Liabilities) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Intangible lease liabilities (included in other liabilities):
Below-market in-place leases	$ 41,217,000		$ 41,217,000		$ 41,371,000
Less: accumulated amortization	(28,849,000)		(28,849,000)		(28,121,000)
Below-market in-place leases, net	12,368,000		12,368,000		13,250,000
Above-market in-place leases, net
Intangible lease assets (included in other assets):
Leases	15,356,000		15,356,000		15,356,000
Less: accumulated amortization	(11,979,000)		(11,979,000)		(11,477,000)
Leases, net	3,377,000		3,377,000		3,879,000
In-place leases ,net
Intangible lease assets (included in other assets):
Leases	122,956,000		122,956,000		124,198,000
Less: accumulated amortization	(83,890,000)		(83,890,000)		(79,675,000)
Leases, net	39,066,000		39,066,000		$ 44,523,000
Intangible lease liabilities (included in other liabilities):
Amortization expense, in-place leases	1,671,000	$ 1,793,000	5,197,000	$ 5,337,000
Above-market and below-market in-place leases
Intangible lease liabilities (included in other liabilities):
Amortization expense, above- and below-market leases	$ 115,000	$ 130,000	$ 349,000	$ 410,000