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Document And entity Information
Jul. 30, 2020
Oct. 21, 2019
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Jul. 30, 2020  
Entity Registrant Name HOPE BANCORP INC  
Entity Incorporation, State or Country Code DE  
Entity File Number 000-50245  
Entity Tax Identification Number 95-4849715  
Entity Address, Address Line One 3200 Wilshire Boulevard, 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  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security Common Stock  
Trading Symbol HOPE  
Security Exchange Name NASDAQ  
Entity Emerging Growth Company false  
Entity Central Index Key 0001128361  
Amendment Flag   false