CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
INVESTMENTS IN REAL ESTATE, at cost:
Operating properties	$ 2,980,963	$ 3,156,194
Construction in progress	41,218	45,828
Land held for development	2,058	4,339
Total investments in real estate	3,024,239	3,206,361
Accumulated depreciation	(1,407,395)	(1,405,260)
Net investments in real estate	1,616,844	1,801,101
INVESTMENTS IN PARTNERSHIPS, at equity:	7,907	16,525
OTHER ASSETS:
Cash and cash equivalents	21,063	43,852
Tenant and other receivables	31,179	42,501
Intangible assets (net of accumulated amortization of $22,578 and $21,598 at September 30, 2022 and December 31, 2021, respectively)	9,074	10,054
Deferred costs and other assets, net	113,569	128,923
Assets held for sale	86,408	8,780
Total assets	1,886,044	2,051,736
LIABILITIES:
Mortgage loans payable, net	761,230	851,283
Term Loans, net	972,198	959,137
Revolving Facilities	26,078	54,549
Tenants’ deposits and deferred rent	11,994	10,180
Distributions in excess of partnership investments	89,702	71,570
Fair value of derivative instruments		8,427
Accrued expenses and other liabilities	72,876	89,331
Liabilities on assets held for sale	41,689	212
Total liabilities	1,975,767	2,044,689
COMMITMENTS AND CONTINGENCIES (Note 8)
EQUITY:
Shares of beneficial interest, $1.00 par value per share; 13,333 shares authorized; 5,369 and 5,347 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	5,369	5,347
Capital contributed in excess of par	1,858,124	1,851,866
Accumulated other comprehensive loss	3,297	(8,830)
Distributions in excess of net income	(1,945,988)	(1,832,375)
Total equity (deficit) - Pennsylvania Real Estate Investment Trust	(79,044)	16,162
Noncontrolling interest	(10,679)	(9,115)
Total equity (deficit)	(89,723)	7,047
Total liabilities and equity	1,886,044	2,051,736
Series B Preferred Stock
EQUITY:
Preferred Shares	35	35
Series C Preferred Stock
EQUITY:
Preferred Shares	69	69
Series D Preferred Stock
EQUITY:
Preferred Shares	$ 50	$ 50