Annual report pursuant to Section 13 and 15(d)

Acquisition - Summary of Purchase Price Allocation Reported, Retrospective Adjustments and Purchase Price Allocation as Remeasured (Detail)

v2.4.1.9
Acquisition - Summary of Purchase Price Allocation Reported, Retrospective Adjustments and Purchase Price Allocation as Remeasured (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended 0 Months Ended
Sep. 30, 2014
Dec. 31, 2014
Aug. 31, 2014
Assets acquired:      
Core deposit intangible     $ 2,200us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Liabilities assumed:      
Bargain purchase gain, net of deferred taxes 14,600us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount 14,577us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount  
Effect of Change in Accounting Principle [Member]      
Liabilities assumed:      
Bargain purchase gain, net of deferred taxes 8,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
  8,000us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Central Bancorp, Inc [Member]      
Consideration paid:      
CBI stockholders     50,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Redemption of preferred and cumulative unpaid dividends     28,675us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total consideration paid:     78,675hafc_BusinessCombinationConsiderationsTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Assets acquired:      
Cash and cash equivalents     197,209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Securities available for sale     663,497us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Loans     297,272hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoans
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Premises and equipment     17,925us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Other real estate owned     25,952hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherRealEstateOwned
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Income tax assets, net     12,011us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Core deposit intangible     2,213us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
FDIC loss sharing assets     11,413hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFdicLossSharingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Bank-owned life insurance     18,296hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Servicing assets     7,497hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Other assets     14,636us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total assets acquired     1,267,921us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Liabilities assumed:      
Deposits     1,098,997hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Subordinated debentures     18,473us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Rescinded stock obligation     15,485hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRescindedStockObligation
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
FHLB advances     10,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdvancesFromFederalHomeLoanBanks
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Servicing liabilities     6,039hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Other liabilities     25,675us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total liabilities assumed     1,174,669us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Total identifiable net assets     93,252us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Bargain purchase gain, net of deferred taxes     14,577us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
Central Bancorp, Inc [Member] | As Previously Reported [Member]      
Consideration paid:      
CBI stockholders     50,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Redemption of preferred and cumulative unpaid dividends     28,675us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Total consideration paid:     80,241hafc_BusinessCombinationConsiderationsTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Assets acquired:      
Cash and cash equivalents     197,209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Securities available for sale     663,497us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Loans     294,032hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoans
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Premises and equipment     17,735us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Other real estate owned     28,027hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherRealEstateOwned
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Income tax assets, net     8,800us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Core deposit intangible     2,213us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
FDIC loss sharing assets     9,692hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFdicLossSharingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Bank-owned life insurance     18,296hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Other assets     16,428us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Total assets acquired     1,255,929us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Liabilities assumed:      
Deposits     1,098,997hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Subordinated debentures     18,473us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Rescinded stock obligation     15,720hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRescindedStockObligation
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
FHLB advances     10,000hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAdvancesFromFederalHomeLoanBanks
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Other liabilities     25,905us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Total liabilities assumed     1,169,095us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Total identifiable net assets     86,834us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Bargain purchase gain, net of deferred taxes     6,593us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Central Bancorp, Inc [Member] | Effect of Change in Accounting Principle [Member]      
Consideration paid:      
Total consideration paid:     (1,566)hafc_BusinessCombinationConsiderationsTransferred1
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Assets acquired:      
Loans     3,240hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoans
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Premises and equipment     190us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Other real estate owned     (2,075)hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherRealEstateOwned
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Income tax assets, net     3,211us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
FDIC loss sharing assets     1,721hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFdicLossSharingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Servicing assets     7,497hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Other assets     (1,792)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Total assets acquired     11,992us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Liabilities assumed:      
Rescinded stock obligation     (235)hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRescindedStockObligation
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Servicing liabilities     6,039hafc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedServicingLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Other liabilities     (230)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Total liabilities assumed     5,574us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Total identifiable net assets     6,418us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Bargain purchase gain, net of deferred taxes     7,984us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Central Bancorp, Inc [Member] | Subordinated Debentures [Member] | As Previously Reported [Member]      
Consideration paid:      
Accrued interest on subordinated debentures     1,566hafc_BusinessCombinationConsiderationTransferredAccruedInterestOnDebt
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioPreviouslyReportedMember
Central Bancorp, Inc [Member] | Subordinated Debentures [Member] | Effect of Change in Accounting Principle [Member]      
Consideration paid:      
Accrued interest on subordinated debentures     $ (1,566)hafc_BusinessCombinationConsiderationTransferredAccruedInterestOnDebt
/ us-gaap_BusinessAcquisitionAxis
= hafc_CentralBancorpIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember