Quarterly report pursuant to Section 13 or 15(d)

Loans - Troubled Debt Restructurings that Defaulted Subsequent to Modifications Occurring Within Previous Twelve Months, Disaggregated by Loan Class (Detail)

v2.4.1.9
Loans - Troubled Debt Restructurings that Defaulted Subsequent to Modifications Occurring Within Previous Twelve Months, Disaggregated by Loan Class (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
SecurityLoan
Mar. 31, 2014
SecurityLoan
Financing Receivable, Modifications [Line Items]    
Number of Loans 4us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1 7us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Recorded Investment $ 4,325us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 $ 2,080us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Consumer loans [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans   1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
Recorded Investment   149us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
Real estate loans [Member] | Retail [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans 1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Recorded Investment 1,832us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		310us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Real estate loans [Member] | Hotel/motel [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans   1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Recorded Investment   1,000us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Real estate loans [Member] | Gas station [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans 1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Recorded Investment 1,990us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		87us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Real estate loans [Member] | Other [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans 1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember 		2us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
Recorded Investment 379us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember 		481us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
Commercial and industrial loans [Member] | Commercial term [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans   1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
Recorded Investment   53us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
Commercial and industrial loans [Member] | Commercial lines of credit [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans 1us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		 
Recorded Investment $ 124us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember