CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
INVESTMENTS IN REAL ESTATE, at cost:
Operating properties	$ 2,931,853	$ 2,894,944
Construction in progress	5,686	42,659
Land held for development	2,058	2,058
Total investments in real estate	2,939,597	2,939,661
Accumulated depreciation	(1,422,088)	(1,370,065)
Net investments in real estate	1,517,509	1,569,596
INVESTMENTS IN PARTNERSHIPS, at equity:	7,726	7,845
OTHER ASSETS:
Cash and cash equivalents	22,060	22,937
Tenant and other receivables	32,852	40,459
Intangible assets (net of accumulated amortization of $23,851 and $23,029 at September 30, 2023 and December 31, 2022, respectively)	7,801	8,623
Deferred costs and other assets, net	96,738	91,902
Assets held for sale	33,269	61,767
Total assets	1,717,955	1,803,129
LIABILITIES:
Mortgage loans payable, net	669,781	749,396
Term loans, net	1,018,911	976,903
Revolving facilities	99,406	22,481
Tenants’ deposits and deferred rent	12,371	13,264
Distributions in excess of partnership investments	104,999	93,136
Accrued expenses and other liabilities	86,797	69,846
Liabilities on assets held for sale	1,780	2,539
Total liabilities	1,994,045	1,927,565
COMMITMENTS AND CONTINGENCIES (Note 8)
EQUITY:
Shares of beneficial interest, $1.00 par value per share; 13,333 shares authorized; 5,341 and 5,356 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	5,341	5,356
Capital contributed in excess of par	1,858,976	1,858,675
Accumulated other comprehensive income	584	3,282
Distributions in excess of net income	(2,127,774)	(1,980,693)
Total equity (deficit) - Pennsylvania Real Estate Investment Trust	(262,719)	(113,226)
Noncontrolling interest	(13,371)	(11,210)
Total equity (deficit)	(276,090)	(124,436)
Total liabilities and equity	1,717,955	1,803,129
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