Quarterly report pursuant to Section 13 or 15(d)

Loans - Information on Impaired Loans, Disaggregated by Loan Class (Detail)

v2.4.1.9
Loans - Information on Impaired Loans, Disaggregated by Loan Class (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Financing Receivable, Impaired [Line Items]    
Recorded Investment $ 46,930us-gaap_ImpairedFinancingReceivableRecordedInvestment $ 45,865us-gaap_ImpairedFinancingReceivableRecordedInvestment
Unpaid Principal Balance 51,051us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance 49,586us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
With No Related Allowance Recorded 35,148us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment 34,897us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
With an Allowance Recorded 11,781us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment 10,968us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Related Allowance 5,299us-gaap_ImpairedFinancingReceivableRelatedAllowance 5,246us-gaap_ImpairedFinancingReceivableRelatedAllowance
Average Recorded Investment 47,318hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment 48,790hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
Interest Income Recognized 710hafc_ImpairedFinancingReceivableInterestIncomeRecognized 3,160hafc_ImpairedFinancingReceivableInterestIncomeRecognized
Real estate loans [Member] | Retail [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 5,963us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		4,436us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Unpaid Principal Balance 6,133us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		4,546us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
With No Related Allowance Recorded 3,496us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		1,938us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
With an Allowance Recorded 2,467us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		2,498us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Related Allowance 189us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		220us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Average Recorded Investment 5,990hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		5,373hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Interest Income Recognized 72hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember 		251hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateRetailMember
Real estate loans [Member] | Hotel/motel [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 6,228us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		5,835us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Unpaid Principal Balance 6,910us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		6,426us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
With No Related Allowance Recorded 4,974us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		4,581us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
With an Allowance Recorded 1,254us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		1,254us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Related Allowance 2,767us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		1,828us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Average Recorded Investment 6,272hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		4,583hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Interest Income Recognized 182hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember 		398hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_HotelAndMotelMember
Real estate loans [Member] | Gas station [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 7,968us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		8,974us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Unpaid Principal Balance 8,608us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		9,594us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
With No Related Allowance Recorded 7,527us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		8,526us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
With an Allowance Recorded 441us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		448us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Related Allowance 137us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		150us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Average Recorded Investment 7,993hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		11,281hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Interest Income Recognized 93hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember 		787hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_GasolineStationMember
Real estate loans [Member] | Other [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 10,291us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		10,125us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
Unpaid Principal Balance 11,896us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		11,591us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
With No Related Allowance Recorded 9,120us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		8,890us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
With an Allowance Recorded 1,171us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		1,235us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
Related Allowance 293us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		319us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
Average Recorded Investment 10,254hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		10,579hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
Interest Income Recognized 208hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember 		885hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialRealEstateOtherMember
Real estate loans [Member] | Residential property [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 3,087us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember 		3,127us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
Unpaid Principal Balance 3,242us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember 		3,268us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
With No Related Allowance Recorded 3,087us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember 		3,127us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
Average Recorded Investment 3,102hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember 		2,924hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
Interest Income Recognized 32hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember 		115hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_ResidentialPropertyRealEstateLoanMember
Commercial and industrial loans [Member] | Commercial term [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 8,147us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		7,614us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
Unpaid Principal Balance 8,716us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		8,133us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
With No Related Allowance Recorded 3,912us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		2,999us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
With an Allowance Recorded 4,235us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		4,615us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
Related Allowance 1,881us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		2,443us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
Average Recorded Investment 8,078hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		9,458hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
Interest Income Recognized 99hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember 		566hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialTermLoansUnsecuredMember
Commercial and industrial loans [Member] | Commercial lines of credit [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 2,092us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		466us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
Unpaid Principal Balance 2,210us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		575us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
With No Related Allowance Recorded 442us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		466us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
With an Allowance Recorded 1,650us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		 
Related Allowance 8us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		 
Average Recorded Investment 2,439hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		1,205hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
Interest Income Recognized 7hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember 		66hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_CommercialLinesOfCreditMember
Commercial and industrial loans [Member] | International loans [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 1,331us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember 		3,546us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
Unpaid Principal Balance 1,331us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember 		3,546us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
With No Related Allowance Recorded 767us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember 		2,628us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
With an Allowance Recorded 563us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember 		918us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
Related Allowance 24us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember 		286us-gaap_ImpairedFinancingReceivableRelatedAllowance
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
Average Recorded Investment 1,360hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember 		1,736hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
Interest Income Recognized   33hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= hafc_InternationalLoansMember
Consumer loans [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 1,823us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember 		1,742us-gaap_ImpairedFinancingReceivableRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
Unpaid Principal Balance 2,005us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember 		1,907us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
With No Related Allowance Recorded 1,823us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember 		1,742us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
Average Recorded Investment 1,830hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember 		1,651hafc_ImpairedFinancingReceivableAverageRecordedValueOfInvestment
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
Interest Income Recognized $ 17hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember 		$ 59hafc_ImpairedFinancingReceivableInterestIncomeRecognized
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember