Business Segments - Summary of Information for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Summary information for the reportable segments
Rental and other property revenues	$ 50,203	$ 44,268
Property operating expenses	21,199	17,504
Other operating expenses not allocated to segments	28,017	24,674
Total operating expenses	49,216	42,178
Proportionate property net operating income (loss)	987	2,090
Other items included in income before income tax	(10,913)	(12,039)
Income (loss) before income tax	(9,926)	(9,949)
Segment Reconciling Items [Member]
Summary information for the reportable segments
Rental and other property revenues	2,088	1,656
Property operating expenses	2,152	1,657
Total operating expenses	2,152	1,657
Proportionate property net operating income (loss)	(64)	(1)
Income (loss) before income tax	(64)	(1)
Corporate Non-Segment [Member]
Summary information for the reportable segments
Rental and other property revenues	40	68
Property operating expenses	1,964	1,456
Other operating expenses not allocated to segments	28,017	24,674
Total operating expenses	29,981	26,130
Proportionate property net operating income (loss)	(29,941)	(26,062)
Other items included in income before income tax	(10,913)	(12,039)
Income (loss) before income tax	(40,854)	(38,101)
Development and Redevelopment [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	4,672	2,201
Property operating expenses	2,597	1,676
Total operating expenses	2,597	1,676
Proportionate property net operating income (loss)	2,075	525
Income (loss) before income tax	2,075	525
Operating Portfolio Segment [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	38,639	36,672
Property operating expenses	11,503	11,186
Total operating expenses	11,503	11,186
Proportionate property net operating income (loss)	27,136	25,486
Income (loss) before income tax	27,136	25,486
Other [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	4,764	3,671
Property operating expenses	2,983	1,529
Total operating expenses	2,983	1,529
Proportionate property net operating income (loss)	1,781	2,142
Income (loss) before income tax	$ 1,781	$ 2,142