Annual report pursuant to Section 13 and 15(d)

Loans - Troubled Debt Restructurings, Disaggregated by Loan Class (Detail)

v2.4.1.9
Loans - Troubled Debt Restructurings, Disaggregated by Loan Class (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
SecurityLoan
Dec. 31, 2013
SecurityLoan
Dec. 31, 2012
SecurityLoan
Financing Receivable, Modifications [Line Items]      
Number of Loans 17us-gaap_FinancingReceivableModificationsNumberOfContracts2 33us-gaap_FinancingReceivableModificationsNumberOfContracts2 59us-gaap_FinancingReceivableModificationsNumberOfContracts2
Pre-Modification Outstanding Recorded Investment $ 10,383us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2 $ 9,777us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2 $ 16,320us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Post-Modification Outstanding Recorded Investment 9,830us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 8,576us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 15,046us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Consumer loans [Member]      
Financing Receivable, Modifications [Line Items]      
Number of Loans   1us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
 
Pre-Modification Outstanding Recorded Investment   149us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
 
Post-Modification Outstanding Recorded Investment   149us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerLoansAutoFinancingReceivableMember
 
Real estate loans [Member] | Retail [Member]      
Financing Receivable, Modifications [Line Items]      
Number of Loans 2us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
  3us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Pre-Modification Outstanding Recorded Investment 2,205us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
  1,068us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Post-Modification Outstanding Recorded Investment 2,032us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
  1,023us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ 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_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
1us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
3us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Pre-Modification Outstanding Recorded Investment 832us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
1,000us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
2,402us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Post-Modification Outstanding Recorded Investment 821us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
1,000us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
2,305us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ 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_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
3us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
2us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Pre-Modification Outstanding Recorded Investment 2,040us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
903us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
1,839us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Post-Modification Outstanding Recorded Investment 1,979us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
819us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
1,720us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Real estate loans [Member] | Residential property [Member]      
Financing Receivable, Modifications [Line Items]      
Number of Loans 1us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
   
Pre-Modification Outstanding Recorded Investment 317us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
   
Post-Modification Outstanding Recorded Investment 308us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
   
Real estate loans [Member] | Other [Member]      
Financing Receivable, Modifications [Line Items]      
Number of Loans 3us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
4us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
6us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
Pre-Modification Outstanding Recorded Investment 1,422us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
1,853us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
4,386us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
Post-Modification Outstanding Recorded Investment 1,352us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
1,796us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
4,176us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ 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 5us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
20us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
44us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
Pre-Modification Outstanding Recorded Investment 721us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
4,068us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
6,423us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
Post-Modification Outstanding Recorded Investment 629us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
3,534us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
5,634us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ 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 3us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
2us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
1us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
Pre-Modification Outstanding Recorded Investment 2,366us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
220us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
202us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
Post-Modification Outstanding Recorded Investment 2,509us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
191us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
188us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
Commercial and industrial loans [Member] | International loans [Member]      
Financing Receivable, Modifications [Line Items]      
Number of Loans 1us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
2us-gaap_FinancingReceivableModificationsNumberOfContracts2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
 
Pre-Modification Outstanding Recorded Investment 480us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
1,584us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
 
Post-Modification Outstanding Recorded Investment $ 200us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
$ 1,087us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember