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) (Non-recurring Basis [Member], USD $)	Dec. 31, 2014	Dec. 31, 2013
Impaired Loans [Member] \| Real estate loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 30,000,000	$ 8,600,000
Impaired Loans [Member] \| Commercial and industrial loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	1,200,000	28,100,000
Impaired Loans [Member] \| Consumer loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	1,700,000	1,300,000
Other Real Estate Owned [Member] \| Commercial property loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-performing loans held for sale	13,200,000
Other Real Estate Owned [Member] \| Residential property loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-performing loans held for sale	$ 2,600,000	$ 756,000