Minimum percentage of taxable income distributed to shareholders.

No definition available.

Name:	pgre_MinimumPercentageOfTaxableIncomeDistributedToShareholders
Namespace Prefix:	pgre_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Residual ownership interest.

+ References

No definition available.

+ Details

Name:	pgre_ResidualOwnershipInterest
Namespace Prefix:	pgre_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=51655414&loc=d3e18780-107790

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51661791&loc=d3e1205-110223

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=pgre_PostFormationTransactionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RealEstatePropertiesAxis=pgre_OneMarketPlazaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Basis of Presentation and Significant Accounting Policies - Additional Information (Details) - Segment	11 Months Ended	12 Months Ended
	Nov. 23, 2014	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Minimum percentage of taxable income distributed to shareholders		90.00%
Number of reportable segments		1
Following the Formation Transactions
Property Plant And Equipment [Line Items]
Number of reportable segments		1
Predecessor [Member]
Property Plant And Equipment [Line Items]
Number of reportable segments	3
Minimum
Property Plant And Equipment [Line Items]
Estimated useful lives of the assets		P5Y
Maximum
Property Plant And Equipment [Line Items]
Estimated useful lives of the assets		P40Y
One Market Plaza [Member]
Property Plant And Equipment [Line Items]
Residual ownership interest		2.00%