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v3.19.3.a.u2

Related Parties - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) ft² | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Aug. 21, 2019 USD ($) ft²
Related Party Transaction [Line Items] |  |  |  |
Fee and other income | $ 34,703,000 | $ 31,666,000 | $ 35,477,000 |
Accounts and other receivables, net | 19,231,000 | 20,076,000 |  |
Property management, asset management, leasing and other related services fee income | 22,744,000 | 18,629,000 | 24,212,000 |
Transaction related costs | 1,999,000 | 1,471,000 | 2,027,000 |
Accounts payable and accrued expenses | 117,356,000 | 124,334,000 |  |
Note receivables from affiliates | $ 36,918,000 |  |  |
Area of office and retail properties | ft² | 13,100,000 |  |  |
712 Fifth Avenue [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method paramount ownership percentage | 50.00% |  |  |
55 Second Street [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method paramount ownership percentage | 44.10% |  |  |
Area of office and retail properties | ft² |  |  |  | 384,000
Transaction valued property value |  |  |  | $ 401,700,000
Fund X [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Note receivables from affiliates | $ 36,918,000 |  |  |
Note receivables basis spread on variable rate | 2.20% |  |  |
CNBB-RDF Holdings Otto Family [Member] | 55 Second Street [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Transaction valued property value |  |  |  | $ 5,000,000
CNBB-RDF Holdings Otto Family [Member] | Imperial Associates, LP [Member] | 55 Second Street [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method ownership percentage by related party |  |  |  | 2.30%
Hamburg Trust Consulting GMBH ("HTC") [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Mark-up cost percentage | 10.00% |  |  |
Transaction related costs | $ 796,000 | 240,000 | 247,000 |
Accounts payable and accrued expenses | $ 38,000 | 40,000 |  |
Hamburg Trust Consulting GMBH ("HTC") [Member] | Chairman, Chief Executive Officer and President [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Percentage of ownership | 100.00% |  |  |
Mannheim Trust [Member] | Board of Director [Member] | 712 Fifth Avenue [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method paramount ownership percentage | 50.00% |  |  |
Lease rental income | $ 360,000 | 366,000 | 358,000 |
Kramer Design Services [Member] | 712 Fifth Avenue [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method paramount ownership percentage | 50.00% |  |  |
Expense recognized | $ 325,000 |  |  |
Joint Venture [Member] | 55 Second Street [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method paramount ownership percentage |  |  |  | 44.10%
Area of office and retail properties | ft² |  |  |  | 384,000
Transaction valued property value |  |  |  | $ 401,700,000
Mortgage debt |  |  |  | $ 187,500,000
Management Agreements [Member] | CNBB-RDF Holdings Otto Family [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Fee and other income | 842,000 | 838,000 | 824,000 |
Accounts and other receivables, net | 0 | 51,000 |  |
Management Agreements [Member] | Unconsolidated Joint Ventures and Real Estate Funds [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Accounts and other receivables, net | 2,734,000 | 1,836,000 |  |
Property management, asset management, leasing and other related services fee income | $ 17,466,000 | $ 15,231,000 | $ 20,263,000 |

X
- Definition Reflects the revenue, comprised of base and incentive revenue derived from the management of joint ventures, managing third-party properties, or another entity's operations. Additionally, reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement. + References No definition available. + Details
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