Investments in Partnerships - Summary of Share of Equity in Income of Partnerships (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Real estate revenue	$ 120,861	$ 101,762
Expenses:
Property operating and other expenses	(52,111)	(48,285)
Interest expense	(44,547)	(27,665)
Depreciation and amortization	(29,200)	(34,947)
Total expenses	(125,858)	(110,897)
Net (loss) income	(4,997)	(9,135)
Less: Partners’ share	(1,469)	4,186
PREIT’s share	(3,528)	(4,949)
Amortization of excess investment	(204)	(595)
Equity in (loss) income of partnerships	$ (3,732)	$ (5,544)