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v3.20.1

Investment in unconsolidated Joint Ventures (Narrative) (Details) $ in Thousands |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 18, 2020 USD ($) ft² | Jan. 28, 2020 USD ($) ft² Buildings | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Feb. 20, 2020 USD ($) ft² a | Dec. 31, 2019 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Mortgage notes payable, net |  |  | $ 2,919,157 |  |  |  | $ 2,922,408
Payments to Acquire Equity Method Investments |  |  | $ 89,997 |  | $ 26,995 |  |
Gateway Commons Complex [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage |  | 50.00% | 50.00% | [1] |  |  |
number of buildings | Buildings |  | 3 |  |  |  |  |
Net Rentable Area (in sf) | ft² |  | 768,000 |  |  |  |  |
Payments to Acquire Equity Method Investments |  | $ 350,000 |  |  |  |  |
Platform 16 |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage |  | 55.00% | 55.00% | [2] |  |  |
Net Rentable Area (in sf) | ft² |  | 390,000 |  |  |  | 1,100,000 |
Finance Lease fixed purchase price |  |  |  |  |  | $ 134,800 |
Prepaid purchase price |  |  |  |  |  | $ 15,000 |
Area of Land | a |  |  |  |  |  | 5.6 |
Annapolis Junction Building Seven and Eight [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage | 50.00% |  |  |  |  |  |
Mortgage notes payable, net | $ 34,600 |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.35% |  |  |  |  |  |
Annapolis Junction Building Seven [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Net Rentable Area (in sf) | ft² | 127,000 |  |  |  |  |  |
Annapolis Junction Building Eight [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Net Rentable Area (in sf) | ft² | 126,000 |  |  |  |  |  |
Gateway Commons Complex prior to deferred contribution [Member] [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage |  | 55.00% |  |  |  |  |
Gateway Commons Complex Future Development[Member] [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage |  | 49.00% |  |  |  |  |
Joint Venture Partner [Member] | Gateway Commons Complex [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage |  | 50.00% |  |  |  |  |
number of buildings | Buildings |  | 3 |  |  |  |  |
Net Rentable Area (in sf) | ft² |  | 768,000 |  |  |  |  |
Payments to Acquire Equity Method Investments |  | $ 280,800 |  |  |  |  |
Future payment to acquire interest in equity method investment |  | $ 69,200 |  |  |  |  |
Joint Venture Partner [Member] | Gateway Commons Complex Future Development[Member] [Member] |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Ownership Percentage |  | 51.00% |  |  |  |  |
[1] | As a result of the partner’s deferred contribution, the Company has an initial approximately 55% interest in the joint venture. Future development projects will be owned 49% by the Company and 51% by its partner.
[2] | This entity is a VIE (See Note 2).

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