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Organization (Details) $ in Millions | Apr. 01, 2015 USD ($) ft² project property shares | Jun. 30, 2017 ft² property
--- | --- | ---
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 15,159,985
Number of real estate properties (in properties) | property |  | 55
Office |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 13,903,408
Number of real estate properties (in properties) | property |  | 52
Office | Northern California |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 9,595,286
Number of real estate properties (in properties) | property |  | 29
Office | Southern California |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 2,817,509
Number of real estate properties (in properties) | property |  | 16
Office | Pacific Northwest |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 1,490,613
Number of real estate properties (in properties) | property |  | 7
Media and Entertainment Properties |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 1,256,577
Number of real estate properties (in properties) | property |  | 3
Media and Entertainment Properties | Southern California |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² |  | 1,256,577
Number of real estate properties (in properties) | property |  | 3
EOP Northern California Portfolio |  |
Business Acquisition [Line Items] |  |
Area of real estate property (in square feet) | ft² | 8,200,000 |
Gross payments to acquire business | $ | $ 1,750 |
Consideration transferred, common units (in shares) | shares | 63,474,791 |
EOP Northern California Portfolio | Office Building |  |
Business Acquisition [Line Items] |  |
Number of real estate properties acquired (in properties) | property | 26 |
EOP Northern California Portfolio | Development Parcel |  |
Business Acquisition [Line Items] |  |
Number of development projects acquired (in projects) | project | 2 |

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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