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Loans - Schedule of Changes in Carrying Value of PCI Loans (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Carrying Amount |  |
Balance at beginning of period |  | $ 2,785,261 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Provision for credit losses | (52,951)us-gaap_LoansAndLeasesReceivableAllowance | (52,666)us-gaap_LoansAndLeasesReceivableAllowance
Balance at end of period | 2,816,557 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount | 2,785,261 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
PCI Loans [Member] |  |
Carrying Amount |  |
Balance at beginning of period | 44,501 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Accretion | 843 hafc_LoansAndLeasesReceivableAccretion / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Payments received | (5,425)hafc_LoansAndLeasesReceivableCollections / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Disposal/transfer to OREO | 722 hafc_LoansAndLeasesReceivableSold / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Changes in expected cash flows, net | 0 hafc_LoansAndLeasesReceivableEstimatedCashFlowsIncreaseDecrease / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Provision for credit losses | (1,436)us-gaap_LoansAndLeasesReceivableAllowance / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember | (1,026)us-gaap_LoansAndLeasesReceivableAllowance / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember
Balance at end of period | 40,941 us-gaap_LoansAndLeasesReceivableGrossCarryingAmount / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Accretable Yield |  |
Balance at beginning of period | (11,025)us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Accretion | 843 us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Payments received | 0 us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Disposal/transfer to OREO | 0 us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Changes in expected cash flows, net | 376 us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Provision for credit losses | 0 us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOtherthanTemporaryImpairmentChargesCreditLoss / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |
Balance at end of period | $ (9,806)us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield / hafc_ImpairedFinancialReceivableTypeAxis = hafc_PurchaseCreditImpairedLoansMember |

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- Definition Loans And Leases Receivable Collections + References No definition available. + Details
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- Definition Loans And Leases Receivable Estimated Cash Flows Increase (Decrease) + References No definition available. + Details
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- Definition Loans And Leases Receivable, Sold + References No definition available. + Details
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- Definition The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Sale or transfer of a loan during the period resulting in a reduction in the excess of a loan's cash flows expected to be collected over the investor's initial investment. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Total net Increase or Decrease in the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Change in the estimate of cash flows expected to be collected, after acquisition of a loan, which results in an increase in accretable yield (for example, if actual cash flows are significantly greater than previously expected). This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition Amount of expense to write-down the amortized cost basis of loans, after acquisition, to fair value when the decline in the fair value is determined to be other than temporary (OTTI) for loans accounted for as debt securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34D -URI http://asc.fasb.org/extlink&oid=27723805&loc=SL6284304-111560 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 35 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7476247&loc=d3e14665-111541 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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