CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
INVESTMENTS IN REAL ESTATE, at cost:
Operating properties	$ 2,894,944	$ 3,156,194
Construction in progress	42,659	45,828
Land held for development	2,058	4,339
Total investments in real estate	2,939,661	3,206,361
Accumulated depreciation	(1,370,065)	(1,405,260)
Net investments in real estate	1,569,596	1,801,101
INVESTMENTS IN PARTNERSHIPS, at equity:	7,845	16,525
OTHER ASSETS:
Cash and cash equivalents	22,937	43,852
Tenant and other receivables (net of allowance for doubtful accounts of $462 and $950 at December 31, 2022 and 2021, respectively)	40,459	42,501
Intangible assets (net of accumulated amortization of $23,029 and $21,598 at December 31, 2022 and 2021, respectively)	8,623	10,054
Deferred costs and other assets, net	91,902	128,923
Assets held for sale	61,767	8,780
Total assets	1,803,129	2,051,736
LIABILITIES:
Mortgage loans payable, net	749,396	851,283
Term Loans, net	976,903	959,137
Revolving Facilities	22,481	54,549
Tenants’ deposits and deferred rent	13,264	10,180
Distributions in excess of partnership investments	93,136	71,570
Fair value of derivative instruments	0	8,427
Accrued expenses and other liabilities	69,846	89,331
Liabilities on assets held for sale	2,539	212
Total liabilities	1,927,565	2,044,689
COMMITMENTS AND CONTINGENCIES (Note 11)
EQUITY:
Shares of beneficial interest, $1.00 par value per share; 13,333 shares authorized; 5,356 and 5,347 shares issued and outstanding at December 31, 2022 and 2021, respectively	5,356	5,347
Capital contributed in excess of par	1,858,675	1,851,866
Accumulated other comprehensive income (loss)	3,282	(8,830)
Distributions in excess of net income	(1,980,693)	(1,832,375)
Total equity (deficit) - Pennsylvania Real Estate Investment Trust	(113,226)	16,162
Noncontrolling interest	(11,210)	(9,115)
Total equity (deficit)	(124,436)	7,047
Total liabilities and equity	1,803,129	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