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

Loans - Troubled Debt Restructuring, Disaggregated by Loan Class (Parenthetical) (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Retail [Member]
Financing Receivable, Modifications [Line Items]
Amount of loan modification through extension of maturity		$ 102,000
Other [Member]
Financing Receivable, Modifications [Line Items]
Amount of loan modification through extension of maturity		504,000
Unsecured [Member]
Financing Receivable, Modifications [Line Items]
Amount of loan modification through extension of maturity	198,000	1,900,000
Loan modifications made through reduction of principal or accrued interest payments		1,600,000
Secured By Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Amount of loan modification through extension of maturity		501,000
Loan modifications made through reduction of principal or accrued interest payments		1,300,000
SBA Loans [Member]
Financing Receivable, Modifications [Line Items]
Loan modifications made through reduction of principal or accrued interest payments		322,000
Loan modifications made through deferral principal payments	7,000	133,000
International Loans [Member]
Financing Receivable, Modifications [Line Items]
Loan modifications made through reduction of principal or accrued interest payments	$ 1,400,000