Name:	pgre_NetOperatingIncome
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

This element represents the company's pro rata operating income from equity method investments which is calculated as net income before depreciation and amortization, general and administrative expenses, interest and debt expenses and income taxes.

No definition available.

Name:	pgre_NetOperatingIncomeFromEquityMethodInvestments
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Operating costs and expenses including discontinued operations.

No definition available.

Name:	pgre_OperatingCostsAndExpensesIncludingDiscontinuedOperations
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable Includes other revenue recognized by the entity in the period relating additional services requested by tenants. This amount also includes properties classified as discontinued operations.

No definition available.

Name:	pgre_PropertyRelatedRevenuesIncludingDiscontinuedOperations
Namespace Prefix:	pgre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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.

No definition available.