Name:	pgre_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterestInConsolidatedRealEstateFund
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests in consolidated joint ventures. Excludes changes in equity resulting from investments by owners and distributions to owners.

No definition available.

Name:	pgre_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterestInJointVentures
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests in the Operating Partnership. Excludes changes in equity resulting from investments by owners and distributions to owners.

No definition available.

Name:	pgre_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterestInOperatingPartnership
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
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This element represents the company's pro-rata share of other comprehensive income (loss) adjustments related to unconsolidated joint ventures.

No definition available.

Name:	pgre_ProRataShareOfOtherComprehensiveLossOfUnconsolidatedJointVentures
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580

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- References

No definition available.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 19
-URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683

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-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4K
-URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686

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- References

No definition available.

Name:	us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract
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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section 45
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 810
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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-Section 50
-Paragraph 1A
-Subparagraph (c)(1)
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- References

No definition available.