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

Off-Balance Sheet Commitments - Distribution of Undisbursed Loan Commitments (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Loss Contingencies [Line Items]
Total undisbursed loan commitments	$ 323,869	$ 325,612
Commitments to extend credit [Member]
Loss Contingencies [Line Items]
Total undisbursed loan commitments	314,317	309,584
Standby letters of credit [Member]
Loss Contingencies [Line Items]
Total undisbursed loan commitments	5,603	8,982
Commercial letters of credit [Member]
Loss Contingencies [Line Items]
Total undisbursed loan commitments	$ 3,949	$ 7,046