Annual report pursuant to Section 13 and 15(d)

Condensed Financial Information of Parent Company - Statement of Cash Flows of Parent Company (Detail)

v2.4.1.9
Condensed Financial Information of Parent Company - Statement of Cash Flows of Parent Company (Detail) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Cash flows from operating activities:      
Net income $ 49,761,000us-gaap_NetIncomeLoss $ 39,857,000us-gaap_NetIncomeLoss $ 90,324,000us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash used in operating activities:      
Amortization of subordinated debentures 71,000us-gaap_AmortizationOfDebtDiscountPremium    
Share-based compensation expense 2,165,000us-gaap_ShareBasedCompensation 705,000us-gaap_ShareBasedCompensation 478,000us-gaap_ShareBasedCompensation
Changes in fair value of stock warrants   83,000us-gaap_FairValueAdjustmentOfWarrants 23,000us-gaap_FairValueAdjustmentOfWarrants
Bargain purchase gain (14,577,000)us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount    
Gain on sale of investment securities (2,011,000)us-gaap_GainLossOnSaleOfSecuritiesNet (1,039,000)us-gaap_GainLossOnSaleOfSecuritiesNet (1,396,000)us-gaap_GainLossOnSaleOfSecuritiesNet
Other-than-temporary loss on investment securities 0us-gaap_ImpairmentOfInvestments 0us-gaap_ImpairmentOfInvestments 292,000us-gaap_ImpairmentOfInvestments
Change in other assets (7,456,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets (4,854,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets 422,000us-gaap_IncreaseDecreaseInOtherOperatingAssets
Change in other liabilities 4,914,000us-gaap_IncreaseDecreaseInOtherOperatingLiabilities 2,375,000us-gaap_IncreaseDecreaseInOtherOperatingLiabilities 1,029,000us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
Net cash provided by (used in) operating activities 25,467,000us-gaap_NetCashProvidedByUsedInOperatingActivities 60,718,000us-gaap_NetCashProvidedByUsedInOperatingActivities 52,827,000us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash flows from investing activities:      
Proceeds from sale of security available for sale 169,533,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities 78,473,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities 102,538,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Cash acquired in acquisition, net of cash consideration paid 118,533,000us-gaap_CashAcquiredFromAcquisition    
Net cash (used in) provided by investing activities 16,397,000us-gaap_NetCashProvidedByUsedInInvestingActivities (304,366,000)us-gaap_NetCashProvidedByUsedInInvestingActivities (37,158,000)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash flows from financing activities:      
Proceeds from exercise of stock options and stock warrants 467,000us-gaap_ProceedsFromStockOptionsExercised 525,000us-gaap_ProceedsFromStockOptionsExercised 10,000us-gaap_ProceedsFromStockOptionsExercised
Redemption of subordinated debentures   (82,406,000)hafc_RedemptionOfJuniorSubordinatedNotes  
Cash dividend paid (6,694,000)us-gaap_PaymentsOfDividends (4,439,000)us-gaap_PaymentsOfDividends  
Net cash (used in) provided by financing activities (62,901,000)us-gaap_NetCashProvidedByUsedInFinancingActivities 154,958,000us-gaap_NetCashProvidedByUsedInFinancingActivities 50,695,000us-gaap_NetCashProvidedByUsedInFinancingActivities
Net increase (decrease) in cash (21,037,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (88,690,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 66,364,000us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of year 179,357,000us-gaap_CashCashEquivalentsAndFederalFundsSold 268,047,000us-gaap_CashCashEquivalentsAndFederalFundsSold 201,683,000us-gaap_CashCashEquivalentsAndFederalFundsSold
Cash and cash equivalents at end of period 158,320,000us-gaap_CashCashEquivalentsAndFederalFundsSold 179,357,000us-gaap_CashCashEquivalentsAndFederalFundsSold 268,047,000us-gaap_CashCashEquivalentsAndFederalFundsSold
Hanmi Financial [Member]      
Cash flows from operating activities:      
Net income 49,761,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
39,857,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
90,324,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Adjustments to reconcile net income to net cash used in operating activities:      
(Income) losses from subsidiaries (39,576,000)us-gaap_IncomeLossFromSubsidiariesBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(42,937,000)us-gaap_IncomeLossFromSubsidiariesBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(96,300,000)us-gaap_IncomeLossFromSubsidiariesBeforeTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Amortization of subordinated debentures 71,000us-gaap_AmortizationOfDebtDiscountPremium
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Share-based compensation expense 2,165,000us-gaap_ShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
705,000us-gaap_ShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
478,000us-gaap_ShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Changes in fair value of stock warrants   82,000us-gaap_FairValueAdjustmentOfWarrants
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
23,000us-gaap_FairValueAdjustmentOfWarrants
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Bargain purchase gain (14,577,000)us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Gain on sale of investment securities   (218,000)us-gaap_GainLossOnSaleOfSecuritiesNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Other-than-temporary loss on investment securities     292,000us-gaap_ImpairmentOfInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in other assets (2,319,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(923,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(330,000)us-gaap_IncreaseDecreaseInOtherOperatingAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Change in other liabilities 15,715,000us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(8,897,000)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,481,000)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net cash provided by (used in) operating activities 11,240,000us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(12,331,000)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(6,994,000)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash flows from investing activities:      
Proceeds from sale of security available for sale   436,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Cash acquired in acquisition, net of cash consideration paid 116,967,000us-gaap_CashAcquiredFromAcquisition
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Proceeds from Hanmi Bank 76,231,000us-gaap_ProceedsFromContributionsFromAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
86,845,000us-gaap_ProceedsFromContributionsFromAffiliates
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Payments to Hanmi Bank (193,179,000)hafc_PaymentOfContributionsToSubsidiary
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net cash (used in) provided by investing activities 19,000us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
87,281,000us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Cash flows from financing activities:      
Proceeds from exercise of stock options and stock warrants 467,000us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
830,000us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
10,000us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Redemption of subordinated debentures   (82,406,000)hafc_RedemptionOfJuniorSubordinatedNotes
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Cash dividend paid (6,694,000)us-gaap_PaymentsOfDividends
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4,439,000)us-gaap_PaymentsOfDividends
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
 
Net cash (used in) provided by financing activities (6,227,000)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(86,015,000)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
10,000us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net increase (decrease) in cash 5,032,000us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(11,065,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(6,984,000)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and cash equivalents at beginning of year 13,657,000us-gaap_CashCashEquivalentsAndFederalFundsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
24,722,000us-gaap_CashCashEquivalentsAndFederalFundsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
31,706,000us-gaap_CashCashEquivalentsAndFederalFundsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cash and cash equivalents at end of period $ 18,689,000us-gaap_CashCashEquivalentsAndFederalFundsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 13,657,000us-gaap_CashCashEquivalentsAndFederalFundsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 24,722,000us-gaap_CashCashEquivalentsAndFederalFundsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember