XML 46 R35.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Securities - Available for Sale Securities, Continuous Unrealized Loss Position, Fair value (Detail) $ in Thousands | Sep. 30, 2018 USD ($) Security | Dec. 31, 2017 USD ($) Security
--- | --- | ---
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss | $ 4,858 | $ 2,691
Available-for-Sale Within One Year, Estimated Fair Value | $ 273,851 | $ 276,372
Available-for-Sale Within One Year, Number of Securities | Security | 99 | 93
Available-for-Sale More than One Year, Gross Unrealized Loss | $ 11,069 | $ 2,593
Available-for-Sale More than One Year, Estimated Fair Value | $ 287,660 | $ 138,033
Available-for-Sale More than One Year, Number of Securities | Security | 126 | 67
Available-for-Sale, Gross Unrealized Loss | $ 15,927 | $ 5,284
Available-for-Sale, Estimated Fair Value | $ 561,511 | $ 414,405
Available-for-Sale, Number of Securities | Security | 225 | 160
Mortgage-backed securities [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss | $ 2,484 | $ 1,855
Available-for-Sale Within One Year, Estimated Fair Value | $ 109,384 | $ 197,621
Available-for-Sale Within One Year, Number of Securities | Security | 44 | 66
Available-for-Sale More than One Year, Gross Unrealized Loss | $ 7,235 | $ 847
Available-for-Sale More than One Year, Estimated Fair Value | $ 183,568 | $ 56,998
Available-for-Sale More than One Year, Number of Securities | Security | 72 | 25
Available-for-Sale, Gross Unrealized Loss | $ 9,719 | $ 2,702
Available-for-Sale, Estimated Fair Value | $ 292,952 | $ 254,619
Available-for-Sale, Number of Securities | Security | 116 | 91
Collateralized mortgage obligations [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss | $ 453 | $ 773
Available-for-Sale Within One Year, Estimated Fair Value | $ 26,235 | $ 65,726
Available-for-Sale Within One Year, Number of Securities | Security | 7 | 20
Available-for-Sale More than One Year, Gross Unrealized Loss | $ 3,439 | $ 1,125
Available-for-Sale More than One Year, Estimated Fair Value | $ 89,706 | $ 49,986
Available-for-Sale More than One Year, Number of Securities | Security | 47 | 32
Available-for-Sale, Gross Unrealized Loss | $ 3,892 | $ 1,898
Available-for-Sale, Estimated Fair Value | $ 115,941 | $ 115,712
Available-for-Sale, Number of Securities | Security | 54 | 52
U.S. government agency securities [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss | $ 0 | $ 15
Available-for-Sale Within One Year, Estimated Fair Value | $ 0 | $ 1,484
Available-for-Sale Within One Year, Number of Securities | Security | 0 | 1
Available-for-Sale More than One Year, Gross Unrealized Loss | $ 147 | $ 70
Available-for-Sale More than One Year, Estimated Fair Value | $ 7,352 | $ 5,930
Available-for-Sale More than One Year, Number of Securities | Security | 3 | 2
Available-for-Sale, Gross Unrealized Loss | $ 147 | $ 85
Available-for-Sale, Estimated Fair Value | $ 7,352 | $ 7,414
Available-for-Sale, Number of Securities | Security | 3 | 3
Municipal bonds-tax exempt [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss | $ 1,811 | $ 48
Available-for-Sale Within One Year, Estimated Fair Value | $ 98,667 | $ 11,541
Available-for-Sale Within One Year, Number of Securities | Security | 43 | 6
Available-for-Sale More than One Year, Gross Unrealized Loss | $ 248 | $ 21
Available-for-Sale More than One Year, Estimated Fair Value | $ 7,034 | $ 2,737
Available-for-Sale More than One Year, Number of Securities | Security | 4 | 2
Available-for-Sale, Gross Unrealized Loss | $ 2,059 | $ 69
Available-for-Sale, Estimated Fair Value | $ 105,701 | $ 14,278
Available-for-Sale, Number of Securities | Security | 47 | 8
U.S treasury securities [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss | $ 110 |
Available-for-Sale Within One Year, Estimated Fair Value | $ 39,565 |
Available-for-Sale Within One Year, Number of Securities | Security | 5 |
Available-for-Sale More than One Year, Gross Unrealized Loss | $ 0 |
Available-for-Sale More than One Year, Estimated Fair Value | $ 0 |
Available-for-Sale More than One Year, Number of Securities | Security | 0 |
Available-for-Sale, Gross Unrealized Loss | $ 110 |
Available-for-Sale, Estimated Fair Value | $ 39,565 |
Available-for-Sale, Number of Securities | Security | 5 |
Mutual funds [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Available-for-Sale Within One Year, Gross Unrealized Loss |  | $ 0
Available-for-Sale Within One Year, Estimated Fair Value |  | $ 0
Available-for-Sale Within One Year, Number of Securities | Security |  | 0
Available-for-Sale More than One Year, Gross Unrealized Loss |  | $ 530
Available-for-Sale More than One Year, Estimated Fair Value |  | $ 22,382
Available-for-Sale More than One Year, Number of Securities | Security |  | 6
Available-for-Sale, Gross Unrealized Loss |  | $ 530
Available-for-Sale, Estimated Fair Value |  | $ 22,382
Available-for-Sale, Number of Securities | Security |  | 6

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer. + References No definition available. + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months. + References No definition available. + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SummaryOfInvestmentHoldingsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=hafc_CollateralizedMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_NontaxableMunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MutualFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |