Hanmi Financial Corporation Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Detail) (Non-recurring Basis [Member], USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized Losses on Non-performing loans held for sale		$ 3,747,000
Unrealized Losses impaired loans	1,048,000	580,000
Unrealized Losses Other real estate owned	7,000	301,000
Quoted Prices in Active Markets for Identical Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-performing loans held for sale
Impaired loans
Other real estate owned
Significant Observable Inputs with No Active Market with Identical Characteristics [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-performing loans held for sale		484,000
Impaired loans	30,353,000	27,844,000
Other real estate owned	290,000	774,000
Significant Unobservable Inputs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-performing loans held for sale
Impaired loans	1,099,000	8,888,000
Other real estate owned