Real Estate (Intangible Assets and Liabilities) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Intangible lease liabilities (included in other liabilities):
Below-market in-place leases	$ 40,996,000		$ 41,244,000
Less: accumulated amortization	(29,145,000)		(29,117,000)
Below-market in-place leases, net	11,851,000		12,127,000
Above-market in-place leases, net
Intangible lease assets (included in other assets):
Leases	15,113,000		15,297,000
Less: accumulated amortization	(12,055,000)		(12,080,000)
Leases, net	3,058,000		3,217,000
In-place leases ,net
Intangible lease assets (included in other assets):
Leases	121,664,000		122,802,000
Less: accumulated amortization	(85,841,000)		(85,332,000)
Leases, net	35,823,000		$ 37,470,000
Intangible lease liabilities (included in other liabilities):
Amortization expense, in-place leases	1,647,000	$ 1,760,000
Above-market and below-market in-place leases
Intangible lease liabilities (included in other liabilities):
Amortization expense, above- and below-market leases	$ 117,000	$ 112,000