Investments in Partnerships - Summary of Share of Equity in (Loss) Income of Partnerships (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Equity Method Investments And Joint Ventures [Abstract]
Real estate revenue	$ 29,889	$ 24,900
Expenses:
Property operating and other expenses	(11,874)	(13,739)
Interest expense	(11,754)	(10,704)
Depreciation and amortization	(6,655)	(6,930)
Total expenses	(30,283)	(31,373)
Net loss	(394)	(6,473)
Less: Partners’ share	(1)	3,096
PREIT’s share	(395)	(3,377)
Amortization of excess investment		(56)
Equity in (loss) income of partnerships	$ (395)	$ (3,433)