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

Loans and Leases - Activity for SBA Loans Held for Sale (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]
Balance at beginning of period	$ 5,349	$ 10,949	$ 6,394	$ 9,316
Originations	18,877	28,049	56,244	81,716
Sales	(19,752)	(32,519)	(58,043)	(84,516)
Principal payoffs and amortization	(19)	(10)	(140)	(47)
Balance at end of period	4,455	6,469	4,455	6,469
Real estate loans [Member]
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]
Balance at beginning of period	2,785	8,817	3,746	7,410
Originations	5,408	16,326	25,996	51,090
Sales	(6,453)	(20,593)	(28,000)	(53,930)
Principal payoffs and amortization	(3)	(4)	(5)	(24)
Balance at end of period	1,737	4,546	1,737	4,546
Commercial and industrial loans [Member]
Financing Receivable, Reclassification From Portfolio Loans To Loans Held For Sale [Roll Forward]
Balance at beginning of period	2,564	2,132	2,648	1,906
Originations	13,469	11,723	30,248	30,626
Sales	(13,299)	(11,926)	(30,043)	(30,586)
Principal payoffs and amortization	(16)	(6)	(135)	(23)
Balance at end of period	$ 2,718	$ 1,923	$ 2,718	$ 1,923