Annual report pursuant to Section 13 and 15(d)

Condensed Financial Information of Parent Company - Balance Sheets of Parent Company (Detail)

v2.4.1.9
Condensed Financial Information of Parent Company - Balance Sheets of Parent Company (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jan. 01, 2012
Assets        
Other assets $ 32,210us-gaap_OtherAssets $ 14,333us-gaap_OtherAssets    
Total assets 4,232,443us-gaap_Assets 3,054,379us-gaap_Assets    
Liabilities:        
Subordinated debentures 18,544us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust      
Other liabilities 39,491us-gaap_OtherLiabilities 8,941us-gaap_OtherLiabilities    
Stockholders' equity 453,387us-gaap_StockholdersEquity 400,077us-gaap_StockholdersEquity 377,253us-gaap_StockholdersEquity 285,608us-gaap_StockholdersEquity
Total liabilities and stockholders' equity 4,232,443us-gaap_LiabilitiesAndStockholdersEquity 3,054,379us-gaap_LiabilitiesAndStockholdersEquity    
Hanmi Financial [Member]        
Assets        
Cash 18,688us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
13,657us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Investment in consolidated subsidiaries 450,572us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
385,110us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Other assets 4,247us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1,928us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Total assets 473,508us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
400,695us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Liabilities:        
Subordinated debentures 18,544us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
     
Other liabilities 1,577us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
618us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Stockholders' equity 453,387us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
400,077us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Total liabilities and stockholders' equity $ 473,508us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 400,695us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember