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Related Party Transactions - Narrative (Details) $ in Thousands				12 Months Ended
	Oct. 09, 2018 USD ($)	Feb. 14, 2017 USD ($)	Jan. 10, 2017 USD ($) shares	Dec. 31, 2019 USD ($) ft²	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Nov. 16, 2017 USD ($)
Related Party Transaction [Line Items]
Consideration transferred for asset acquisition					$ 663,615
Proceeds from sales of real estate				$ 147,824	454,542	$ 212,250
Proceeds from issuance of common stock/units, net				$ 0	$ 0	$ 647,382
Blackstone And Farallon Funds
Related Party Transaction [Line Items]
Proceeds from sale of common stock, net of underwriters' discount and transaction costs (in shares) | shares			18,673,808
Proceeds from issuance of common stock/units, net			$ 342,700
Selling Stockholders
Related Party Transaction [Line Items]
Proceeds from sale of common stock, net of underwriters' discount and transaction costs (in shares) | shares			9,792,233
Hudson Pacific Properties, Inc.
Related Party Transaction [Line Items]
Proceeds from sale of common stock, net of underwriters' discount and transaction costs (in shares) | shares			8,881,575
Proceeds from issuance of common stock/units, net			$ 310,900
Disposal Group, Not Discontinued Operations
Related Party Transaction [Line Items]
Notes payable, held-for-sale							$ 216,000
Ferry Building Property
Related Party Transaction [Line Items]
Consideration transferred for asset acquisition	$ 291,000
Pinnacle I and II | Disposal Group, Not Discontinued Operations
Related Party Transaction [Line Items]
Proceeds from disposition of real estate held-for-sale							$ 350,000
222 Kearny Street
Related Party Transaction [Line Items]
Proceeds from sales of real estate		$ 51,800
11601 Wilshire
Related Party Transaction [Line Items]
Area of leased real estate (in square feet) | ft²				6,638
Lease term				8 years
Annualized rent payment				$ 279

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