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Equity - Common Stock Activity (Details) - USD ($) |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 03, 2017 | Jan. 10, 2017 | Nov. 28, 2016 | Jul. 21, 2016 | May 16, 2016 | Apr. 01, 2015 | Jan. 20, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common units, net of underwriters’ discount and transaction costs (in shares) |  | 18,673,808 |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net |  |  |  |  |  |  |  | $ 647,382,000 | $ 1,449,581,000 | $ 380,620,000
Repayments of unsecured debt | $ 255,000,000 |  |  |  |  |  |  |  |  |
ATM Program |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common units, net of underwriters’ discount and transaction costs (in shares) |  |  |  |  |  |  |  | 0 | 165,000 | 0
Proceeds from issuance of common stock, net |  |  |  |  |  |  |  | $ 20,100,000 |  |
Number of share authorized, value |  |  |  |  |  |  |  | $ 125,000,000.0 |  |
Minimum | ATM Program |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Public offering price per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 33.54 |
Maximum | ATM Program |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Public offering price per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 33.95 |
Hudson Pacific Properties, Inc. |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common units, net of underwriters’ discount and transaction costs (in shares) |  | 8,881,575 |  |  |  |  |  |  |  |
Proceeds from issuance of common stock, net |  | $ 310,900,000 |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common units, net of underwriters’ discount and transaction costs (in shares) | 9,775,000 |  | 17,533,099 | 19,195,373 | 10,117,223 | 8,626,311 | 12,650,000 | 18,656,575 | 47,010,695 | 12,650,000
Public offering price per share (in dollars per share) |  |  |  |  |  |  | $ 31.75 |  |  |
Proceeds from issuance of common stock, net |  |  |  |  |  |  | $ 385,600,000 |  |  |
Common Stock | Public Offering |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common units, net of underwriters’ discount and transaction costs (in shares) |  |  |  |  |  |  | 11,000,000 |  |  |
Common Stock | Underwriter option |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of common units, net of underwriters’ discount and transaction costs (in shares) |  |  |  |  |  |  | 1,650,000 |  |  |

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