Investments in Partnerships - Dispositions (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Schedule Of Equity Method Investments [Line Items]
Gain (loss) on sales of interests in real estate		$ 1,701	$ (974)	$ 1,701	$ (974)
Cash proceeds from sales of real estate				28,079	$ 828
Gloucester Premium Outlets
Schedule Of Equity Method Investments [Line Items]
Disposal group, consideration	$ 35,400	35,400		35,400
Disposal group, cash	14,100	14,100		14,100
Disposal group, debt assumption	21,400	$ 21,400		$ 21,400
Gain (loss) on sales of interests in real estate	9,100
Cash proceeds from sales of real estate	$ 14,000
Disposal group, percentage of ownership interest	25.00%