Name:	pgre_BelowMarketLeaseAmortizationIncomeNetOfAboveMarketLeaseAmortizationNextTwelveMonths
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of amortization income for leases with a finite life acquired as part of a real property acquisition at below market lease rate net of above market leases expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	pgre_BelowMarketLeaseAmortizationIncomeNetOfAboveMarketLeaseAmortizationYearFive
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of amortization income for leases with a finite life acquired as part of a real property acquisition at below market lease rate net of above market leases expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	pgre_BelowMarketLeaseAmortizationIncomeNetOfAboveMarketLeaseAmortizationYearFour
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of amortization income for leases with a finite life acquired as part of a real property acquisition at below market lease rate net of above market leases expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	pgre_BelowMarketLeaseAmortizationIncomeNetOfAboveMarketLeaseAmortizationYearThree
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of amortization income for leases with a finite life acquired as part of a real property acquisition at below market lease rate net of above market leases expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	pgre_BelowMarketLeaseAmortizationIncomeNetOfAboveMarketLeaseAmortizationYearTwo
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.