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Equity - Narrative (Details) |  |  |  | 3 Months Ended | 9 Months Ended | 13 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 11, 2019 shares | Jan. 17, 2019 shares | Jan. 01, 2019 shares | Mar. 31, 2019 USD ($) $ / shares shares | Mar. 31, 2018 USD ($) $ / shares | Sep. 30, 2018 USD ($) | Mar. 31, 2019 USD ($) shares | Dec. 31, 2018 shares | Mar. 08, 2018 USD ($)
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Shares redeemed during period (in shares) |  | 18,076 |  |  |  |  |  |  |
Company-owned common units in the operating partnership (in shares) |  |  |  | 154,373,581 |  |  | 154,373,581 | 154,371,538 |
Non-controlling ownership interest percentage |  |  |  | 0.50% |  |  | 0.50% | 0.40% |
Proceeds from issuance of common stock/units, net | $ |  |  |  | $ 0 | $ (173,000) |  |  |  |
Stock repurchase program authorized | $ |  |  |  |  |  |  |  |  | $ 250,000,000.0
Repurchase of common stock | $ |  |  |  |  |  |  | $ 50,000,000.0 |  |
Common stock (in dollars per share) | $ / shares |  |  |  | $ 0.25 | $ 0.25 |  |  |  |
Common units (in dollars per share) | $ / shares |  |  |  | 0.25 | 0.25 |  |  |  |
Series A preferred units (in dollars per share) | $ / shares |  |  |  | 0.3906 | 0.3906 |  |  |  |
Performance units (in dollars per share) | $ / shares |  |  |  | $ 0.25 | $ 0.25 |  |  |  |
Hudson Pacific Partners L.P. |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Company's ownership interest percentage |  |  |  | 99.50% |  |  | 99.50% | 99.60% |
At-the-Market |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Maximum shares authorized, value | $ |  |  |  |  |  | $ 125,000,000.0 |  |  |
Proceeds from issuance of common stock/units, net | $ |  |  |  |  |  | $ 20,100,000 |  |  |
Common Stock/Units |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Shares vested during period (in shares) |  |  | 550,969 |  |  |  |  |  |
Non-controlling common units in the operating partnership (in shares) |  |  |  | 720,773 |  |  | 720,773 | 569,045 |
Partnership Interest |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Company-owned common units in the operating partnership (in shares) |  |  |  | 154,373,581 |  |  | 154,373,581 | 154,371,538 |
Performance units |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  |  | 1 |  |  |
Shares vested during period (in shares) | 169,804 |  |  |  |  |  |  |  |

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