Quarterly report pursuant to Section 13 or 15(d)

Sale of Insurance Subsidiaries and Discontinued Operations - Additional Information (Detail)

v2.4.1.9
Sale of Insurance Subsidiaries and Discontinued Operations - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 31, 2015
Jun. 30, 2014
Mar. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Total assets     $ 5,595,000us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
Net assets     2,491,000hafc_AssetsOfDisposalGroupIncludingDiscontinuedOperationNet
Net loss from discontinued operations   (444,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 22,000us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Income from discontinued operation per diluted share $ 0us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare $ 0.01us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare $ 0us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare
Gain on disposal 51,000us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax    
Income tax benefit from operating loss 11,000us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal    
Capital gain tax 470,000hafc_TaxOnCapitalGains    
Operating loss (14,000)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss   37,000us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
Noninterest income 10,634,000us-gaap_NoninterestIncome   6,214,000us-gaap_NoninterestIncome
Noninterest expense 31,704,000us-gaap_NoninterestExpense   17,799,000us-gaap_NoninterestExpense
Chun Ha and All World To Chunha Holdings Corporation [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Total sale price 3,500,000us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
   
Sale consideration received 2,000,000us-gaap_ProceedsFromDivestitureOfBusinesses
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
   
Consideration due 1,500,000hafc_DisposalGroupIncludingDiscontinuedOperationConsiderationDue
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
   
Discontinued operations held for sale, Description The total sales price was $3.5 million, of which $2.0 million was paid upon signing. The remaining $1.5 million will be payable in three equal installments on each anniversary of the closing date through June 30, 2017.    
Number of installments payable 3hafc_NumberOfInstallments
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
   
Number of subsidiaries sold 2hafc_NumberOfSubsidiariesSold
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
   
Total assets   5,600,000us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
 
Net assets   3,300,000hafc_AssetsOfDisposalGroupIncludingDiscontinuedOperationNet
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_ChunHaAndAllWorldToChunhaHoldingsCorporationMember
 
Discontinued operations [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Noninterest income     1,400,000us-gaap_NoninterestIncome
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_DiscontinuedOperationsMember
Noninterest expense     $ 1,400,000us-gaap_NoninterestExpense
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= hafc_DiscontinuedOperationsMember