Debt instrument maturity period range end1.

No definition available.

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Namespace Prefix:	pei_
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- Definition

Debt instrument maturity period range start1.

+ References

No definition available.

+ Details

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Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Deferral period, repayment of deferred amounts.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Long term debt balloon payment not paid.

+ References

No definition available.

+ Details

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Namespace Prefix:	pei_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 50
-Section 40
-Paragraph 4
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Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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Period Type:	instant

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Financing Activity - Mortgage Loan Activity (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Debt Instrument [Line Items]
Mortgage loans, carrying value		$ 893,775		$ 893,775		$ 899,753
Loss on debt extinguishment, net		0	$ 0	$ 0	$ 4,768
Mortgage Loan
Debt Instrument [Line Items]
Mortgage loan, repayment start period				2020-08
Mortgage loan, repayment end period				2021-02
Mortgage loans, carrying value		$ 893,800		$ 893,800
Mortgage Loan \| Minimum
Debt Instrument [Line Items]
Deferral period, repayment of deferred amounts				4 months
Mortgage Loan \| Maximum
Debt Instrument [Line Items]
Deferral period, repayment of deferred amounts				6 months
Capital City Mall Camp Hill Pennsylvania \| Commercial Real Estate \| Mortgage Loan
Debt Instrument [Line Items]
Mortgage loan, repayment start period		2020-08
Mortgage loan, repayment end period		2021-02
Mortgage loans, carrying value		$ 27,300		$ 27,300
Mortgage loans, balloon payment not paid		$ 27,300		$ 27,300
Mortgage loans, maturity date		Jul. 01, 2020
Repayments of Debt	$ 58,500
Loss on debt extinguishment, net	$ 4,800
Capital City Mall Camp Hill Pennsylvania \| Commercial Real Estate \| Mortgage Loan \| Minimum
Debt Instrument [Line Items]
Deferral period, repayment of deferred amounts		4 months
Capital City Mall Camp Hill Pennsylvania \| Commercial Real Estate \| Mortgage Loan \| Maximum
Debt Instrument [Line Items]
Deferral period, repayment of deferred amounts		6 months