Real Estate (Intangible Assets and Liabilities) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Intangible lease liabilities (included in other liabilities):
Below-market in-place leases	$ 41,160,000		$ 41,160,000		$ 41,705,000
Less: accumulated amortization	(27,527,000)		(27,527,000)		(27,447,000)
Below-market in-place leases, net	13,633,000		13,633,000		14,258,000
Above-market in-place leases
Intangible lease assets (included in other assets):
Leases	15,335,000		15,335,000		15,335,000
Less: accumulated amortization	11,166,000		11,166,000		10,821,000
Leases, net	4,169,000		4,169,000		4,514,000
In-place leases
Intangible lease assets (included in other assets):
Leases	121,380,000		121,380,000		122,069,000
Less: accumulated amortization	76,200,000		76,200,000		73,345,000
Leases, net	45,180,000		45,180,000		$ 48,724,000
Intangible lease liabilities (included in other liabilities):
Amortization expense, in-place leases	1,771,000	$ 18,120,000	3,544,000	$ 3,612,000
Above-market and below-market in-place leases
Intangible lease liabilities (included in other liabilities):
Amortization expense, above- and below-market leases	$ 140,000	$ 112,000	$ 280,000	$ 274,000