Business Acquisition, Area of Real Estate Property

No definition available.

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- Definition

Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests, Amount

+ References

No definition available.

+ Details

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- Definition

Noncontrolling Interest, Ownership by Noncontrolling Owners Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	hpp_
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- Definition

Number of Buildings in Property

+ References

No definition available.

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- Definition

Number of Common Unit Holders

+ References

No definition available.

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- Definition

Preferred Stock, Liquidation Preference, Per Annum Per Share

+ References

No definition available.

+ Details

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- Definition

Preferred Stock, Redemption Period After Change in Control

+ References

No definition available.

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- Definition

Proceeds from Issuance of Redeemable Preferred Stock, Net of Issuance Costs, Before Transaction Costs

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Hold Post Vesting Period

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award,Number of Shares Authorized, Value

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No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Shares Sold Under Program to Date, Value

+ References

No definition available.

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- Definition

Stock Issued During Period, Price Per Share

+ References

No definition available.

+ Details

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- Definition

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 35

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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Period Type:	instant

- Details

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Definition

Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

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- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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- Definition

The cash inflow from the additional capital contribution to the entity.

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-Publisher FASB

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-Glossary Financing Activities

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-SubTopic 10

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- Definition

Amount per share or per unit of equity securities issued by non-development stage entity.

+ References

No definition available.

+ Details

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- Definition

Number of shares issued during the period as a result of the conversion of convertible securities.

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-Name Regulation S-X (SX)

-Number 210

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- Definition

Number of new stock issued during the period.

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Equity - Narrative (Details) (USD $)	1 Months Ended			12 Months Ended			0 Months Ended			3 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended
Equity - Narrative (Details) (USD $)	Oct. 31, 2013 common_unit_holder	Dec. 31, 2012 common_unit_holder	Feb. 28, 2012 common_unit_holder	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 28, 2014	Feb. 12, 2013	May 03, 2012	Dec. 31, 2013	Jan. 23, 2012	Dec. 31, 2010	May 18, 2012	Jan. 02, 2014	Feb. 29, 2012	Oct. 30, 2013	Sep. 30, 2013	Dec. 31, 2011
Class of Stock [Line Items]
Noncontrolling interest, common units outstanding (in shares)				2,382,563											2,610,941
Number of common unit holders	1hpp_NumberofCommonUnitHolders	1hpp_NumberofCommonUnitHolders	1hpp_NumberofCommonUnitHolders
Noncontrolling interest, decrease from redemptions or purchase of interests (in shares)		72,500	155,878
Cumulative value of shares sold under program to date				14,500,000
Proceeds from issuance of common stock				$ 197,468,000	$ 202,542,000	$ 190,798,000
Conversion of convertible securities (in shares)		72,500	155,878
Common dividends declared (dollars per share)				$ 0.5
Non-cash compensation expense recognized as additional paid-in capital				7,979,000	6,682,000	4,314,000
Series A Cumulative Redeemable Preferred Units of the Operating Partnership
Class of Stock [Line Items]
Noncontrolling interest, decrease from redemptions or purchase of interests (in shares)	80,000
Shares outstanding of preferred stock																419,014	407,066
Interest rate of preferred stock				6.25%
Liquidation preference of preferred stock (dollars per share)	25			$ 25.00
Preferred dividends declared (dollars per share)				$ 1.5625
Series B Preferred Stock
Class of Stock [Line Items]
Shares outstanding of preferred stock				5,800,000	5,800,000					5,800,000
Interest rate of preferred stock				8.375%	8.375%
Liquidation preference of preferred stock (dollars per share)				$ 25	$ 25					$ 25
Par value of preferred stock				$ 0.01	$ 0.01					$ 0.01
Liquidation preference of preferred stock, per annum (dollars per share)				$ 2.0938
Preferred stock, redemption period after change in control				90 days
Preferred dividends declared (dollars per share)				$ 2.09375
Common Stock
Class of Stock [Line Items]
Proceeds from issuance of common stock							195,800,000	189,900,000	190,800,000
Maximum
Class of Stock [Line Items]
Share price				$ 22.07	$ 22.27					$ 22.27
Minimum
Class of Stock [Line Items]
Share price				$ 21.92	$ 20.55					$ 20.55
At-the-Market
Class of Stock [Line Items]
Shares of stock sold (in shares)				76,000	613,000
Value of shares authorized										125,000,000
Existing and Newly Elected Board Member
Class of Stock [Line Items]
Award vesting period				3 years
Employees
Class of Stock [Line Items]
Award vesting period				3 years
Award hold post vesting period				2 years
Change of Control \| Series B Preferred Stock
Class of Stock [Line Items]
Interest rate of preferred stock				12.375%
Liquidation preference of preferred stock, per annum (dollars per share)				$ 3.09375
Pinnacle JV
Class of Stock [Line Items]
Number of buildings in property				2
Area of real estate property				625,640
Ownership interest in property				65.00%
Pinnacle I
Class of Stock [Line Items]
Ownership interest in property				98.25%	98.25%					98.25%
Business acquisition, area of real estate property (in sqft)				393,776	393,776					393,776
Pinnacle II
Class of Stock [Line Items]
Business acquisition, area of real estate property (in sqft)					231,864					231,864
Public Offering \| Series B Preferred Stock
Class of Stock [Line Items]
Shares of stock sold (in shares)											2,300,000	3,500,000
Proceeds from the offering before transaction costs											57,500,000							83,900,000
Public Offering \| Common Stock
Class of Stock [Line Items]
Shares of stock sold (in shares)							8,250,000	8,000,000					13,225,000
Public offering price (dollars per share)													$ 15.00
Exercise of Over-allotment Option \| Series B Preferred Stock
Class of Stock [Line Items]
Shares of stock sold (in shares)											300,000	300,000
Exercise of Over-allotment Option \| Common Stock
Class of Stock [Line Items]
Shares of stock sold (in shares)							1,237,500	1,200,000					1,725,000
Public offering price (dollars per share)							$ 21.50	$ 21.50
Private Placement \| Common Stock
Class of Stock [Line Items]
Shares of stock sold (in shares)													2,000,000
General and Administrative Expense
Class of Stock [Line Items]
Share-based compensation expense				7,559,000	6,454,000
Deferred Leasing Costs and Lease Intangibles, Net
Class of Stock [Line Items]
Share-based compensation expense				420,000	228,000
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Award vesting period														2 years
Additional Paid in Capital
Class of Stock [Line Items]
Non-cash compensation expense recognized as additional paid-in capital				$ 7,979,000	$ 6,682,000	$ 4,314,000