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

Loans and Leases - Troubled Debt Restructurings, Disaggregated by Loan Class (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) SecurityLoan	Mar. 31, 2016 USD ($) SecurityLoan
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	0	3
Pre-Modification Outstanding Recorded Investment	$ 0	$ 235
Post-Modification Outstanding Recorded Investment	$ 0	$ 229
Real estate loans [Member] \| Retail [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	0	1
Pre-Modification Outstanding Recorded Investment	$ 0	$ 21
Post-Modification Outstanding Recorded Investment	$ 0	20
Loan modifications made through reduction of principal or accrued interest payments		$ 20
Commercial and industrial loans [Member] \| Commercial term [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| SecurityLoan	0	2
Pre-Modification Outstanding Recorded Investment	$ 0	$ 214
Post-Modification Outstanding Recorded Investment	$ 0	209
Loan modification made through deferrals principal payment		152
Amount of loan modification through extension of maturity		$ 57