Investments in Real Estate Partnerships - Schedule of Investments in Real Estate Partnerships (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2022 USD ($) Property		Dec. 31, 2021 USD ($) Property	Dec. 31, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property		96		103
Total Investments		$ 350,377		$ 372,591
The Company's Share of Net Income of the Partnership		59,824		47,086	$ 34,169
Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		2,608,005		2,755,444
Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 173,166		$ 199,276
GRI - Regency, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		40.00%		40.00%
Number of Properties | Property		66		67
Total Investments		$ 155,302		$ 153,125
The Company's Share of Net Income of the Partnership		35,819		34,655
GRI - Regency, LLC [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		1,501,876		1,537,411
GRI - Regency, LLC [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 83,989		$ 78,112
New York Common Retirement Fund (NYC) [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		30.00%	[1]	30.00%
Number of Properties | Property				2
Total Investments		$ 674	[1]	$ 11,688
The Company's Share of Net Income of the Partnership		9,173	[1]	315
New York Common Retirement Fund (NYC) [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		2,468	[1]	82,446
New York Common Retirement Fund (NYC) [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 35,673	[1]	$ 6,939
Columbia Regency Retail Partners, LLC (Columbia I) [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		20.00%		20.00%
Number of Properties | Property		7		7
Total Investments		$ 7,423		$ 7,360
The Company's Share of Net Income of the Partnership		1,817		1,976
Columbia Regency Retail Partners, LLC (Columbia I) [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		138,493		135,537
Columbia Regency Retail Partners, LLC (Columbia I) [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 9,392		$ 10,256
Columbia Regency Partners II, LLC (Columbia II) [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		20.00%		20.00%
Number of Properties | Property		13		12
Total Investments		$ 41,757		$ 35,251
The Company's Share of Net Income of the Partnership		1,735		10,987
Columbia Regency Partners II, LLC (Columbia II) [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		405,927		352,469
Columbia Regency Partners II, LLC (Columbia II) [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 8,674		$ 55,059
Columbia Village District, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		30.00%		30.00%
Number of Properties | Property		1		1
Total Investments		$ 5,836		$ 5,554
The Company's Share of Net Income of the Partnership		1,669		1,522
Columbia Village District, LLC [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		96,002		94,536
Columbia Village District, LLC [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 5,597		$ 5,131
RegCal, LLC (RegCal) [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		25.00%	[2]	25.00%
Number of Properties | Property		1	[2]	6
Total Investments		$ 5,789	[2]	$ 24,995
The Company's Share of Net Income of the Partnership		4,499	[2]	2,058
RegCal, LLC (RegCal) [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		24,326	[2]	103,587
RegCal, LLC (RegCal) [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 18,258	[2]	$ 8,448
US Regency Retail I, LLC (USAA) [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage	[3]			20.01%
The Company's Share of Net Income of the Partnership	[3]			$ 631
US Regency Retail I, LLC (USAA) [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership	[3]			$ 3,155
Ballard Bocks [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		49.90%		49.90%
Number of Properties | Property		2		2
Total Investments		$ 62,624		$ 63,783
The Company's Share of Net Income of the Partnership		1,300		1,742
Ballard Bocks [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		126,482		128,959
Ballard Bocks [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 2,925		$ 3,811
Town & Country Center [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		35.00%		35.00%
Number of Properties | Property		1		1
Total Investments		$ 40,409		$ 39,021
The Company's Share of Net Income of the Partnership		819		(733)
Town & Country Center [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		206,931		207,339
Town & Country Center [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 2,404		$ 2,014
Others [Member]
Schedule of Equity Method Investments [Line Items]
Ownership Percentage		50.00%		50.00%
Number of Properties | Property		5		5
Total Investments		$ 30,563		$ 31,814
The Company's Share of Net Income of the Partnership		2,993		(6,067)
Others [Member] | Total Assets [Member]
Schedule of Equity Method Investments [Line Items]
Total assets of the Partnership		105,500		113,160
Others [Member] | Net Income [Member]
Schedule of Equity Method Investments [Line Items]
Net Income of the Partnership		$ 6,254		$ 26,351

[1] On May 25, 2022, the NYC partnership sold the remaining two properties and distributed sales proceeds to the members. Dissolution will follow final distributions, which are expected in 2023.

[2] During April 2022, we acquired our partner's 75% share in four properties held in the RegCal, LLC, partnership for a total purchase price of $88.5 million. Upon acquisition, these four properties were consolidated into Regency's financial statements. A single operating property remains within RegCal, LLC, at December 31, 2022.

[3] On August 1, 2021, the Company acquired the partner's 80% interest in the seven properties held in the USAA partnership and therefore all earnings of this property are included in consolidated results from the date of acquisition and excluded from partnership earnings. See note 2.