Investments in Partnerships - Summary of Equity Method Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Investments in real estate, at cost:
Operating properties	$ 742,502	$ 741,007
Construction in progress	9,176	5,346
Total investments in real estate	751,678	746,353
Accumulated depreciation	(246,944)	(237,791)
Net investments in real estate	504,734	508,562
Cash and cash equivalents	40,016	28,186
Deferred costs and other assets, net	144,097	142,929
Total assets	688,847	679,677
LIABILITIES AND PARTNERS’ INVESTMENT:
Mortgage loans payable, net	396,106	400,141
FDP Term Loan, net	75,820	104,427
Partnership Loans	249,215	214,008
Other liabilities	177,283	155,873
Total liabilities	898,424	874,449
Net investment	(209,577)	(194,772)
Partners’ share	(109,920)	(102,495)
PREIT’s share	(99,657)	(92,277)
Excess investment	6,986	6,986
Net investments and advances	(92,671)	(85,291)
Investment in partnerships, at equity	7,790	7,845
Distributions in excess of partnership investments	$ (100,461)	$ (93,136)