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v3.25.1

Prepaid Expenses and Other Assets, net - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Unrealized loss on non-real estate investments | $ 0.4 | $ 0.9

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- Definition Non-Real Estate Investments, Unrealized Gain (Loss) On Change In Fair Value + References No definition available. + Details
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Namespace Prefix: | hpp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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