Subsequent Events - Additional Information (Details) - USD ($) $ in Thousands							1 Months Ended	6 Months Ended		12 Months Ended
		Aug. 01, 2022	Jul. 29, 2022	Jul. 14, 2022	Jul. 09, 2022	Jul. 05, 2022	Aug. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Subsequent Event [Line Items]
Purchase Price								$ 305,903		$ 194,966
Proceeds from the disposition of properties , net								156,783	$ 63,901
Amount of additional term loan								$ 900,000		0
Maturity date								Apr. 06, 2027
Long-term debt outstanding								$ 1,822,801		1,819,738
Ownership interest rate								40.00%
Refinanced amount										18,500
Investments in and advances to unconsolidated affiliates								$ 333,529		322,326
Notes receivable, net								137,306		153,886
Reduced commitment amount								96,487		112,905
Mervyns II
Subsequent Event [Line Items]
Purchase Price								$ 18,500
SOFR
Subsequent Event [Line Items]
Basis spread on variable rate								2.56%
Mortgages
Subsequent Event [Line Items]
Notes receivable, net								$ 50,200
Fund IV
Subsequent Event [Line Items]
Notes receivable, net								$ 29,800
Fund III
Subsequent Event [Line Items]
Ownership interest rate								100.00%
Core Portfolio
Subsequent Event [Line Items]
Purchase Price								$ 246,696		26,320
Notes receivable, net								16,000
Core Portfolio | Mortgages
Subsequent Event [Line Items]
Long-term debt outstanding								204,710		218,421
Fixed Rate [Member]
Subsequent Event [Line Items]
Long-term debt outstanding	[1]							1,167,036		1,038,803
Fixed Rate [Member] | Core Portfolio | Mortgages
Subsequent Event [Line Items]
Long-term debt outstanding								$ 144,250		$ 145,464
Subsequent Event
Subsequent Event [Line Items]
Repayments of debt				$ 13,500
Amount of additional term loan			$ 75,000			$ 26,000
Basis spread on variable rate						4.00%
Maturity date			Jul. 29, 2029			Jul. 10, 2027
Ownership interest rate		62.00%
Proceeds of mortgage loan		$ 130,000
Initial term for mortgage loan		3 years
Collateralized real estate assets		$ 50,000
Refinanced amount		172,000
Refinancing pro-rats share		$ 110,000
Common Stock, Other Shares, Outstanding		595,000
Investments in and advances to unconsolidated affiliates		$ 75,000
Fixed Cash Amount		$ 13,000
Subsequent Event | City Point Property
Subsequent Event [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage		22.00%
Subsequent Event | SOFR
Subsequent Event [Line Items]
Basis spread on variable rate							2.50%
Subsequent Event | Fund III
Subsequent Event [Line Items]
Amount of additional term loan					$ 36,000
Maturity date					Jul. 09, 2023
Subsequent Event | Fund II
Subsequent Event [Line Items]
Long-term debt outstanding		$ 297,900
Single mortgage loan		198,000
Mortgage Loan To Investors		$ 65,000
Subsequent Event | Escrow [Member] | Fund III
Subsequent Event [Line Items]
Amount of additional term loan					$ 3,000

[1] Includes $989.9 million and $860.4 million, respectively, of variable-rate debt that has been fixed with interest rate swap agreements as of the periods presented.