Business Segments - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Real estate rental operations:
Revenue	$ 62,144	$ 58,724
Expenses	(16,956)	(16,515)
Income from real estate	45,188	42,209
Interest expense, net and amortization of deferred debt costs	(10,602)	(11,988)
Depreciation and amortization of lease costs	(12,327)	(12,748)
General and administrative	(4,768)	(4,678)
Net Income	17,491	12,795
Capital investment	16,868	18,918
Total assets	1,755,552	1,734,256	$ 1,746,761
Operating Segments | Shopping Centers
Real estate rental operations:
Revenue	44,099	42,444
Expenses	(10,092)	(10,077)
Income from real estate	34,007	32,367
Interest expense, net and amortization of deferred debt costs	0	0
Depreciation and amortization of lease costs	(7,141)	(7,241)
General and administrative	0	0
Net Income	26,866	25,126
Capital investment	1,532	4,149
Total assets	940,049	967,458
Operating Segments | Mixed-Use Properties
Real estate rental operations:
Revenue	18,045	16,280
Expenses	(6,864)	(6,438)
Income from real estate	11,181	9,842
Interest expense, net and amortization of deferred debt costs	0	0
Depreciation and amortization of lease costs	(5,186)	(5,507)
General and administrative	0	0
Net Income	5,995	4,335
Capital investment	15,336	14,769
Total assets	794,682	751,445
Corporate and Other
Real estate rental operations:
Revenue	0	0
Expenses	0	0
Income from real estate	0	0
Interest expense, net and amortization of deferred debt costs	(10,602)	(11,988)
Depreciation and amortization of lease costs	0	0
General and administrative	(4,768)	(4,678)
Net Income	(15,370)	(16,666)
Capital investment	0	0
Total assets	$ 20,821	$ 15,353