Hanmi Financial Corporation Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Parenthetical) (Detail)

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Parenthetical) (Detail) (Nonrecurring Basis [Member], USD $)	Dec. 31, 2012	Dec. 31, 2011
Impaired Loans [Member] \| Real estate loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans	$ 8,700,000	$ 35,100,000
Impaired Loans [Member] \| Commercial and Industrial Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans	27,000,000	54,800,000
Impaired Loans [Member] \| Consumer Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans	1,000,000	721,000
Nonperforming loans held for sale [Member] \| Commercial term loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-Performing Loans Held for sale		5,600,000
Nonperforming loans held for sale [Member] \| Small Business Administration Loans Held for Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-Performing Loans Held for sale	484,000	870,500
Nonperforming loans held for sale [Member] \| Commercial property loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-Performing Loans Held for sale		11,100,000
Other Real Estate Owned [Member] \| Real estate loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-Performing Loans Held for sale	$ 774,000	$ 180,000