Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.1.9
Loans - Troubled Debt Restructurings, Disaggregated by Loan Class (Parenthetical) (Detail) (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Real estate loans [Member] | Other [Member]    
Financing Receivable, Modifications [Line Items]    
Loan modification made through deferrals principal payment   $ 943,000hafc_LoanModificationMadeThroughDeferralOfPrincipalPayment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_OtherCommercialPropertyMember
Commercial and industrial loans [Member] | Commercial term [Member]    
Financing Receivable, Modifications [Line Items]    
Loan modification made through deferrals principal payment   491,000hafc_LoanModificationMadeThroughDeferralOfPrincipalPayment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
Amount of loan modification through extension of maturity 508,000hafc_AmountOfLoanModificationThroughExtensionOfMaturity
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember 		190,000hafc_AmountOfLoanModificationThroughExtensionOfMaturity
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansMember
Loan modifications made through reduction of principal or accrued interest payments   107,000hafc_LoanModificationMadeThroughReductionOfPrincipalOrAccruedInterestPayment
/ 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]    
Loan modification made through deferrals principal payment   $ 242,000hafc_LoanModificationMadeThroughDeferralOfPrincipalPayment
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember