Derivative Instrument, Notional Amount, Terminated

No definition available.

Name:	hope_DerivativeInstrumentNotionalAmountTerminated
Namespace Prefix:	hope_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Derivative, Instrument, Terminated, AOCI, Unamortized Fair Value, Weighted Average Duration

+ References

No definition available.

+ Details

Name:	hope_DerivativeInstrumentTerminatedAOCIUnamortizedFairValueWeightedAverageDuration
Namespace Prefix:	hope_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Derivative Instrument, Terminated, AOCI, Unamortized Fee, Pre-Tax Loss

+ References

No definition available.

+ Details

Name:	hope_DerivativeInstrumentTerminatedAOCIUnamortizedFeePreTaxLoss
Namespace Prefix:	hope_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified To Interest Income During Next 12 Months

+ References

No definition available.

+ Details

Name:	hope_InterestRateCashFlowHedgeGainLossToBeReclassifiedToInterestIncomeDuringNext12Months
Namespace Prefix:	hope_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-1

+ Details

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

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

- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

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

- Details

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

- Details

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

- Details

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

Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended			15 Months Ended
	Sep. 30, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instrument, Notional Amount, Terminated	$ 400,000	$ 600,000			$ 1,000,000
Derivative Instrument, Terminated, AOCI, Unamortized Fee, Pre-Tax Loss		$ 4,900
Derivative, Instrument, Terminated, AOCI, Unamortized Fair Value, Weighted Average Duration		1 year 8 months 12 days
Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified To Interest Income During Next 12 Months		$ (1,300)
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months		2,300
Foreign Exchange Contract \| Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on fair value of foreign exchange contracts		$ (870)	$ 1,000	$ (147)