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Organization (Details)	Dec. 31, 2014 property
Office Properties
Business Acquisition
Number of real estate properties	26us-gaap_NumberOfRealEstateProperties / us-gaap_StatementBusinessSegmentsAxis = hpp_OfficeSegmentMember
Media and Entertainment Properties
Business Acquisition
Number of real estate properties	2us-gaap_NumberOfRealEstateProperties / us-gaap_StatementBusinessSegmentsAxis = hpp_MediaAndEntertainmentSegmentMember

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- Details

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X

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
Data Type:	na
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Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
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Period Type: