Business Segments - Summary of Information for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Summary information for the reportable segments
Rental and other property revenues	$ 49,994	$ 39,804
Property operating expenses	19,221	16,942
Other operating expenses not allocated to segments	32,590	27,028
Total operating expenses	51,811	43,970
Proportionate property net operating income (loss)	(1,817)	(4,166)
Other items included in income (loss) before income tax benefit	7,873	20,500
Income before income tax benefit	6,056	16,334
Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	35,776	32,690
Property operating expenses	11,188	11,170
Total operating expenses	11,188	11,170
Proportionate property net operating income (loss)	24,588	21,520
Income before income tax benefit	24,588	21,520
Segment Reconciling Items [Member]
Summary information for the reportable segments
Rental and other property revenues	2,165	1,671
Property operating expenses	2,288	1,655
Total operating expenses	2,288	1,655
Proportionate property net operating income (loss)	(123)	16
Income before income tax benefit	(123)	16
Corporate Non-Segment [Member]
Summary information for the reportable segments
Rental and other property revenues	76
Property operating expenses	1,822	1,209
Other operating expenses not allocated to segments	32,590	27,028
Total operating expenses	34,412	28,237
Proportionate property net operating income (loss)	(34,336)	(28,237)
Other items included in income (loss) before income tax benefit	7,873	20,500
Income before income tax benefit	(26,463)	(7,737)
Development and Redevelopment [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	6,932	2,257
Property operating expenses	2,519	1,871
Total operating expenses	2,519	1,871
Proportionate property net operating income (loss)	4,413	386
Income before income tax benefit	4,413	386
Other [Member] | Operating Segments [Member]
Summary information for the reportable segments
Rental and other property revenues	5,045	3,186
Property operating expenses	1,404	1,037
Total operating expenses	1,404	1,037
Proportionate property net operating income (loss)	3,641	2,149
Income before income tax benefit	$ 3,641	$ 2,149