Debt Instrument, Duration Used In Interest Rate Calculation

No definition available.

Name:	hpp_DebtInstrumentDurationUsedInInterestRateCalculation
Namespace Prefix:	hpp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Percentage Of Par At Debt Issuance

+ References

No definition available.

+ Details

Name:	hpp_DebtInstrumentPercentageOfParAtDebtIssuance
Namespace Prefix:	hpp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	hpp_DebtInstrumentPeriodicPaymentDebtServicePaymentTerm
Namespace Prefix:	hpp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Unused Borrowing Capacity, Fee, Percentage

+ References

No definition available.

+ Details

Name:	hpp_DebtInstrumentUnusedBorrowingCapacityFeePercentage
Namespace Prefix:	hpp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility, Increase In Maximum Borrowing Capacity

+ References

No definition available.

+ Details

Name:	hpp_LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity
Namespace Prefix:	hpp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

+ Details

Name:	us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=hpp_OneWestsideAnd10850PicoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=hpp_Hill7OfficeDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_TermLoanAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_TermLoanBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_TermLoanDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_MetParkNorthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_Location10950WashingtonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_RegisteredSeniorNotes465Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_TermLoanCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=hpp_HudsonPacificPartnersLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_RevolvingCreditFacility2014Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_FiveYearTermLoanFacilityDueApril2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_SevenYearTermLoanFacilityDueApril2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_FiveYearTermLoanFacilityDueNovember2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_SevenYearTermLoanFacilityDueNovember2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_SunsetGowerSunsetBronsonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_Hill7OfficeDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=hpp_SeniorNotesDueNovember12027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=hpp_InSubstanceDefeasedDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Narrative (Details)				3 Months Ended	6 Months Ended	9 Months Ended
Debt - Narrative (Details)	Jun. 14, 2019 USD ($)	Feb. 27, 2019 USD ($)	Mar. 12, 2018 USD ($)	Jun. 30, 2019 USD ($) instrument derivative	Jun. 30, 2019 USD ($) instrument derivative	Sep. 30, 2018	Mar. 01, 2019 USD ($)	Feb. 28, 2019	Dec. 31, 2018 USD ($) derivative	Mar. 13, 2018 USD ($)	Oct. 02, 2017
Debt Instrument [Line Items]
Duration used in interest rate calculation (in days)					360 days
One Westside and 10850 Pico \| VIE, Primary Beneficiary
Debt Instrument [Line Items]
Ownership Interest					75.00%
Hill7
Debt Instrument [Line Items]
Real estate property, ownership				55.00%	55.00%
Interest Rate Swap \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of derivative instruments held \| derivative				6	6				6
Term Loan A \| Interest Rate Swap
Debt Instrument [Line Items]
Number of derivative instruments held \| derivative				2	2
Term Loan A \| Interest Rate Swap \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of derivative instruments held \| instrument				2	2
Term Loan A \| Interest Rate Swap \| Designated as Hedging Instrument \| Minimum
Debt Instrument [Line Items]
Adjusted interest rate				2.65%	2.65%
Term Loan A \| Interest Rate Swap \| Designated as Hedging Instrument \| Maximum
Debt Instrument [Line Items]
Adjusted interest rate				3.06%	3.06%
Term Loan B \| Interest Rate Swap \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of derivative instruments held \| instrument				2	2
Term Loan B \| Interest Rate Swap \| Designated as Hedging Instrument \| Minimum
Debt Instrument [Line Items]
Adjusted interest rate				2.96%	2.96%
Term Loan B \| Interest Rate Swap \| Designated as Hedging Instrument \| Maximum
Debt Instrument [Line Items]
Adjusted interest rate				3.46%	3.46%
Term Loan D \| Interest Rate Swap \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of derivative instruments held \| instrument				1	1
Term Loan D \| Interest Rate Swap \| Designated as Hedging Instrument \| Minimum
Debt Instrument [Line Items]
Adjusted interest rate				2.63%	2.63%
Term Loan D \| Interest Rate Swap \| Designated as Hedging Instrument \| Maximum
Debt Instrument [Line Items]
Adjusted interest rate				3.13%	3.13%
Met Park North
Debt Instrument [Line Items]
Adjusted interest rate											3.71%
Met Park North \| Interest Rate Swap \| Designated as Hedging Instrument
Debt Instrument [Line Items]
Number of derivative instruments held \| instrument				1	1
Met Park North \| Interest Rate Swap \| Designated as Hedging Instrument \| Minimum
Debt Instrument [Line Items]
Adjusted interest rate				3.71%	3.71%
Met Park North \| Interest Rate Swap \| Designated as Hedging Instrument \| Maximum
Debt Instrument [Line Items]
Adjusted interest rate				3.71%	3.71%
10950 Washington
Debt Instrument [Line Items]
Service payment term (in years)						30 years
Revolving Credit Facility
Debt Instrument [Line Items]
Total borrowing capacity							$ 235,000,000.0
Increase in maximum borrowing capacity				$ (215,000,000.0)	$ (215,000,000.0)
Annual facility fee rate							0.20%
Unsecured Debt
Debt Instrument [Line Items]
Notes payable				2,485,000,000	2,485,000,000				$ 2,275,000,000
Unsecured Debt \| Term Loan A
Debt Instrument [Line Items]
Notes payable				300,000,000	300,000,000				300,000,000
Unsecured Debt \| Term Loan B
Debt Instrument [Line Items]
Notes payable				$ 350,000,000	$ 350,000,000				350,000,000
Unsecured Debt \| Term Loan B \| Interest Rate Swap
Debt Instrument [Line Items]
Number of derivative instruments held \| derivative				2	2
Unsecured Debt \| Term Loan D
Debt Instrument [Line Items]
Notes payable				$ 125,000,000	$ 125,000,000				125,000,000
Unsecured Debt \| 4.65% Registered Senior Notes
Debt Instrument [Line Items]
Notes payable	$ 150,000,000.0	$ 350,000,000		$ 500,000,000	$ 500,000,000				0
Stated interest rate				4.65%	4.65%
Interest rate	4.12%	4.82%
Proceeds from issuance of long-term debt	$ 155,300,000
Unsecured Debt \| Term Loan C
Debt Instrument [Line Items]
Notes payable				$ 0	$ 0				75,000,000
Unsecured Debt \| Hudson Pacific Partners L.P. \| Term Loan A
Debt Instrument [Line Items]
Total borrowing capacity										$ 300,000,000.0
Unsecured Debt \| Hudson Pacific Partners L.P. \| Term Loan B
Debt Instrument [Line Items]
Total borrowing capacity										350,000,000.0
Unsecured Debt \| Hudson Pacific Partners L.P. \| Term Loan D
Debt Instrument [Line Items]
Total borrowing capacity										125,000,000.0
Unsecured Debt \| Hudson Pacific Partners L.P. \| 4.65% Registered Senior Notes
Debt Instrument [Line Items]
Percentage of par at debt issuance	104.544%	98.663%
Unsecured Debt \| Hudson Pacific Partners L.P. \| Term Loan C
Debt Instrument [Line Items]
Face amount										75,000,000.0
Unsecured Debt \| Hudson Pacific Partners L.P. \| Revolving Credit Facility 2014
Debt Instrument [Line Items]
Total borrowing capacity			$ 400,000,000.0
Unsecured Debt \| Hudson Pacific Partners L.P. \| 5-Year Term Loan due April 2020
Debt Instrument [Line Items]
Total borrowing capacity			$ 300,000,000.0
Debt instrument, term (in years)			5 years
Unsecured Debt \| Hudson Pacific Partners L.P. \| 7-Year Term Loan due April 2022
Debt Instrument [Line Items]
Total borrowing capacity			$ 350,000,000.0
Debt instrument, term (in years)			7 years
Unsecured Debt \| Hudson Pacific Partners L.P. \| 5-Year Term Loan due November 2020
Debt Instrument [Line Items]
Total borrowing capacity			$ 75,000,000.0
Debt instrument, term (in years)			5 years
Unsecured Debt \| Hudson Pacific Partners L.P. \| 7-Year Term Loan due November 2022
Debt Instrument [Line Items]
Total borrowing capacity			$ 125,000,000.0
Debt instrument, term (in years)			7 years
Unsecured Debt \| Revolving Credit Facility
Debt Instrument [Line Items]
Total borrowing capacity				600,000,000	600,000,000				600,000,000
Notes payable				185,000,000	185,000,000				400,000,000
Unsecured Debt \| Revolving Credit Facility \| Hudson Pacific Partners L.P.
Debt Instrument [Line Items]
Total borrowing capacity				600,000,000.0	600,000,000.0					$ 600,000,000.0
Secured Debt
Debt Instrument [Line Items]
Notes payable				365,099,000	365,099,000				365,381,000
Secured Debt \| Met Park North
Debt Instrument [Line Items]
Notes payable				64,500,000	64,500,000				64,500,000
Secured Debt \| 10950 Washington
Debt Instrument [Line Items]
Notes payable				$ 26,598,000	$ 26,598,000				26,880,000
Interest rate				5.32%	5.32%
Secured Debt \| Sunset Gower/Sunset Bronson
Debt Instrument [Line Items]
Total borrowing capacity				$ 235,000,000.0	$ 235,000,000.0
Notes payable				0	0				5,001,000
Secured Debt \| Hill7
Debt Instrument [Line Items]
Notes payable				$ 101,000,000	$ 101,000,000				$ 101,000,000
Interest rate				3.38%	3.38%
Senior Notes \| Hudson Pacific Partners L.P. \| 4.65% Registered Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.65%	4.65%
Senior Notes \| Hudson Pacific Partners L.P. \| Senior Notes due November 1, 2027
Debt Instrument [Line Items]
Stated interest rate								4.65%
Proceeds from issuance of long-term debt		$ 343,000,000.0
In-substance Defeased Debt
Debt Instrument [Line Items]
Interest rate				447.00%	447.00%