Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

+ Details

Name:	us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

+ Details

Name:	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

The amount of cash received during the period on settlement of a hedge.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeCashReceivedOnHedge
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

+ Details

Name:	us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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 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

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201712Member
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_MetParkNorthMember
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_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_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
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:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
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:

Derivatives (Details)	1 Months Ended	6 Months Ended
Derivatives (Details)	Feb. 28, 2019 USD ($)	Jun. 30, 2019 USD ($) instrument derivative	Jun. 14, 2019	Feb. 27, 2019	Dec. 31, 2018 USD ($) derivative	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)	Oct. 02, 2017
Derivative
Forward interest rate swap cash settlement	$ 1,600,000
Adjustment to due to change in accounting principal					$ (2,105,000)		$ 0
Change in fair value of derivative instruments		$ 1,900,000
Retained Earnings (Accumulated Deficit)
Derivative
Adjustment to due to change in accounting principal					(2,105,000)		(231,000)
Retained Earnings (Accumulated Deficit) \| ASU 2017-12
Derivative
Adjustment to due to change in accounting principal						$ (231,000)
Hudson Pacific Partners L.P.
Derivative
Adjustment to due to change in accounting principal					$ (2,105,000)		$ 0
Met Park North
Derivative
Strike Rate Range								3.71%
4.65% Registered Senior Notes \| Senior Notes \| Hudson Pacific Partners L.P.
Derivative
Stated interest rate			4.65%	4.65%
Senior Notes due November 1, 2027 \| Senior Notes \| Hudson Pacific Partners L.P.
Derivative
Stated interest rate	4.65%
Interest Rate Swap \| Term Loan A
Derivative
Number of derivative instruments held \| derivative		2
Designated as Hedging Instrument \| Interest Rate Swap
Derivative
Number of derivative instruments held \| derivative		6			6
Notional Amount		$ 839,500,000			$ 839,500,000
Fair Value Assets/(Liabilities)		$ 729,000			16,687,000
Designated as Hedging Instrument \| Interest Rate Swap \| Met Park North
Derivative
Number of derivative instruments held \| instrument		1
Notional Amount		$ 64,500,000
Fair Value Assets/(Liabilities)		$ (239,000)			350,000
Designated as Hedging Instrument \| Interest Rate Swap \| Met Park North \| Minimum
Derivative
Strike Rate Range		3.71%
Designated as Hedging Instrument \| Interest Rate Swap \| Met Park North \| Maximum
Derivative
Strike Rate Range		3.71%
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan A
Derivative
Number of derivative instruments held \| instrument		2
Notional Amount		$ 300,000,000
Fair Value Assets/(Liabilities)		$ 1,118,000			4,038,000
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan A \| Minimum
Derivative
Strike Rate Range		2.65%
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan A \| Maximum
Derivative
Strike Rate Range		3.06%
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan B
Derivative
Number of derivative instruments held \| instrument		2
Notional Amount		$ 350,000,000
Fair Value Assets/(Liabilities)		$ (1,055,000)			7,543,000
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan B \| Minimum
Derivative
Strike Rate Range		2.96%
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan B \| Maximum
Derivative
Strike Rate Range		3.46%
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan D
Derivative
Number of derivative instruments held \| instrument		1
Notional Amount		$ 125,000,000
Fair Value Assets/(Liabilities)		$ 905,000			$ 4,756,000
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan D \| Minimum
Derivative
Strike Rate Range		2.63%
Designated as Hedging Instrument \| Interest Rate Swap \| Term Loan D \| Maximum
Derivative
Strike Rate Range		3.13%