Quarterly report pursuant to Section 13 or 15(d)

Loans - Loans Receivable to Loans Held for Sale (Detail)

v2.4.1.9
Loans - Loans Receivable to Loans Held for Sale (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Balance at beginning of period $ 5,451us-gaap_LoansReceivableHeldForSaleNet  
Origination of loans held for sale 23,108us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale 6,354us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale
Sales of loans held for sale (19,854)us-gaap_ProceedsFromSaleOfLoansHeldForSale (5,958)us-gaap_ProceedsFromSaleOfLoansHeldForSale
Principal payoffs and amortization (28)hafc_PrincipalPayoffsAndAmortization (6)hafc_PrincipalPayoffsAndAmortization
Balance at end of period 8,677us-gaap_LoansReceivableHeldForSaleNet 390us-gaap_LoansReceivableHeldForSaleNet
Real estate loans [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Balance at beginning of period 3,323us-gaap_LoansReceivableHeldForSaleNet
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember 		 
Origination of loans held for sale 16,927us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember 		6,269us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
Sales of loans held for sale (13,014)us-gaap_ProceedsFromSaleOfLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember 		(5,874)us-gaap_ProceedsFromSaleOfLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
Principal payoffs and amortization (10)hafc_PrincipalPayoffsAndAmortization
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember 		(5)hafc_PrincipalPayoffsAndAmortization
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
Balance at end of period 7,226us-gaap_LoansReceivableHeldForSaleNet
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember 		390us-gaap_LoansReceivableHeldForSaleNet
/ us-gaap_FinancialInstrumentAxis
= hafc_RealEstateLoanMember
Commercial and industrial loans [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Balance at beginning of period 2,128us-gaap_LoansReceivableHeldForSaleNet
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember 		 
Origination of loans held for sale 6,181us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember 		85us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
Sales of loans held for sale (6,840)us-gaap_ProceedsFromSaleOfLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember 		(84)us-gaap_ProceedsFromSaleOfLoansHeldForSale
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
Principal payoffs and amortization (18)hafc_PrincipalPayoffsAndAmortization
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember 		(1)hafc_PrincipalPayoffsAndAmortization
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember
Balance at end of period $ 1,451us-gaap_LoansReceivableHeldForSaleNet
/ us-gaap_FinancialInstrumentAxis
= hafc_CommercialAndIndustrialLoansMember