Quarterly report pursuant to Section 13 or 15(d)

Acquisition - Summary of Purchase Price Allocation Reported (Detail)

v2.4.1.9
Acquisition - Summary of Purchase Price Allocation Reported (Detail) (USD $)
0 Months Ended
Aug. 31, 2014
Aug. 31, 2014
Assets acquired:    
Core deposit intangible $ 2,200,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles $ 2,200,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Central Bancorp, Inc [Member]    
Consideration paid:    
CBI stockholders 50,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
 
Redemption of preferred and cumulative unpaid dividends 28,675,000us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
 
Total consideration paid: 78,675,000hafc_BusinessCombinationConsiderationsTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
 
Assets acquired:    
Cash and cash equivalents 197,209,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
197,209,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Securities available for sale 663,497,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
663,497,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Loans 297,272,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoans
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
297,272,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoans
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Premises and equipment 17,925,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
17,925,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Other real estate owned 25,952,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherRealEstateOwned
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
25,952,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherRealEstateOwned
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Income tax assets, net 12,011,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
12,011,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Core deposit intangible 2,213,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
2,213,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
FDIC loss sharing assets 11,413,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFdicLossSharingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
11,413,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFdicLossSharingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Bank-owned life insurance 18,296,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
18,296,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Servicing assets 7,497,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
7,497,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Other assets 14,636,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
14,636,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total assets acquired 1,267,921,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
1,267,921,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Liabilities assumed:    
Deposits 1,098,997,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
1,098,997,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Subordinated debentures 18,473,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
18,473,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Rescinded stock obligation 15,485,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRescindedStockObligation
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
15,485,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRescindedStockObligation
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
FHLB advances 10,000,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdvancesFromFederalHomeLoanBanks
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
10,000,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdvancesFromFederalHomeLoanBanks
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Servicing liabilities 6,039,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
6,039,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Other liabilities 25,675,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
25,675,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total liabilities assumed 1,174,669,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
1,174,669,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total identifiable net assets 93,252,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
93,252,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Bargain purchase gain, net of deferred taxes $ 14,577,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember