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Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 19, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 000-50245    
Entity Registrant Name HOPE BANCORP, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 95-4849715    
Entity Address, Address Line One 3200 Wilshire Boulevard,    
Entity Address, Address Line Two Suite 1400    
Entity Address, City or Town Los Angeles    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90010    
City Area Code 213    
Local Phone Number 639-1700    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol HOPE    
Security Exchange Name NASDAQ    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding (in shares)   120,767,793  
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001128361    
Entity Public Float     $ 1,234,224,507
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag true