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v3.20.2

Segments - Schedule of NOI for Each Reportable Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Property-related revenues | $ 168,455 | $ 184,370 | $ 349,773 | $ 370,163
Property-related operating expenses | (65,712) | (67,572) | (134,177) | (135,953)
NOI from unconsolidated joint ventures | 10,376 | 4,185 | 23,768 | 9,596
NOI | 113,119 | 120,983 | 239,364 | 243,806
New York [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property-related revenues | 110,679 | 118,741 | 232,256 | 239,837
Property-related operating expenses | (47,213) | (46,504) | (96,242) | (94,607)
NOI from unconsolidated joint ventures | 2,680 | 2,886 | 5,624 | 7,543
NOI | 66,146 | 75,123 | 141,638 | 152,773
San Francisco [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property-related revenues | 54,827 | 58,431 | 111,494 | 115,615
Property-related operating expenses | (16,054) | (17,479) | (32,973) | (33,825)
NOI from unconsolidated joint ventures | 9,165 | 1,213 | 19,547 | 1,913
NOI | 47,938 | 42,165 | 98,068 | 83,703
Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property-related revenues | 2,949 | 7,198 | 6,023 | 14,711
Property-related operating expenses | (2,445) | (3,589) | (4,962) | (7,521)
NOI from unconsolidated joint ventures | (1,469) | 86 | (1,403) | 140
NOI | $ (965) | $ 3,695 | $ (342) | $ 7,330

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- Definition This element represents the company's operating income from the properties including its pro rata share of equity method investments which is calculated as net income before depreciation and amortization, general and administrative expenses, interest and debt expenses and income taxes. + References No definition available. + Details
Name: | pgre_NetOperatingIncome
Namespace Prefix: | pgre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition 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. + References No definition available. + Details
Name: | pgre_NetOperatingIncomeFromEquityMethodInvestments
Namespace Prefix: | pgre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Operating costs and expenses including discontinued operations. + References No definition available. + Details
Name: | pgre_OperatingCostsAndExpensesIncludingDiscontinuedOperations
Namespace Prefix: | pgre_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Property related revenues. + References No definition available. + Details
Name: | pgre_PropertyRelatedRevenues
Namespace Prefix: | pgre_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- 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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=pgre_SanFranciscoSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |