Business Segments - Summary of Information for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Summary information for the reportable segments
Rental and other property revenues	$ 44,268	$ 49,994
Property operating expenses	17,504	19,221
Other operating expenses not allocated to segments	24,674	32,590
Total operating expenses	42,178	51,811
Proportionate property net operating income (loss)	2,090	(1,817)
Other items included in income (loss) before income tax	(12,039)	7,873
Income (loss) before income tax	(9,949)	6,056
Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	36,672	32,930
Property operating expenses	11,186	10,396
Total operating expenses	11,186	10,396
Proportionate property net operating income (loss)	25,486	22,534
Income (loss) before income tax	25,486	22,534
Segment Reconciling Items [Member]
Summary information for the reportable segments
Rental and other property revenues	1,701	1,663
Property operating expenses	1,677	1,639
Total operating expenses	1,677	1,639
Proportionate property net operating income (loss)	24	24
Income (loss) before income tax	24	24
Corporate Non-Segment [Member]
Summary information for the reportable segments
Rental and other property revenues		10,999
Property operating expenses	1,424	5,538
Other operating expenses not allocated to segments	24,674	32,590
Total operating expenses	26,098	38,128
Proportionate property net operating income (loss)	(26,098)	(27,129)
Other items included in income (loss) before income tax	(12,039)	7,873
Income (loss) before income tax	(38,137)	(19,256)
Development and Redevelopment [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	2,201	48
Property operating expenses	2,025	209
Total operating expenses	2,025	209
Proportionate property net operating income (loss)	176	(161)
Income (loss) before income tax	176	(161)
Other [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	3,694	4,354
Property operating expenses	1,192	1,439
Total operating expenses	1,192	1,439
Proportionate property net operating income (loss)	2,502	2,915
Income (loss) before income tax	$ 2,502	$ 2,915