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

Off-Balance Sheet Commitments - Distribution of Undisbursed Loan Commitments (Detail)

Off-Balance Sheet Commitments - Distribution of Undisbursed Loan Commitments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Loss Contingencies [Line Items]
Total undisbursed loan commitments	$ 341,561		$ 341,561		$ 273,537
Allowance for Loan Off-Balance Sheet Items [Roll Forward]
Balance at beginning of period			42,935
(Negative provision) provision	(1,450)	$ (3,704)	(4,490)	$ (7,779)
Balance at end of period	38,972		38,972
Non-PCI Loans [Member]
Allowance for Loan Off-Balance Sheet Items [Roll Forward]
Balance at beginning of period	34,259	49,468	37,494	51,640
(Negative provision) provision	(1,540)	(5,490)	(4,724)	(9,891)
Balance at end of period	33,439	43,222	33,439	43,222
Allowance for off-balance sheet items [Member]
Allowance for Loan Off-Balance Sheet Items [Roll Forward]
Balance at beginning of period		962
(Negative provision) provision		(406)
Balance at end of period		556		556
Allowance for off-balance sheet items [Member] \| Non-PCI Loans [Member]
Allowance for Loan Off-Balance Sheet Items [Roll Forward]
Balance at beginning of period	1,475		986	1,366
(Negative provision) provision	16		505	(810)
Balance at end of period	1,491	$ 556	1,491	$ 556
Commitments to extend credit [Member]
Loss Contingencies [Line Items]
Total undisbursed loan commitments	330,116		330,116		262,680
Standby letters of credit [Member]
Loss Contingencies [Line Items]
Total undisbursed loan commitments	7,793		7,793		6,839
Commercial letters of credit [Member]
Loss Contingencies [Line Items]
Total undisbursed loan commitments	$ 3,652		$ 3,652		$ 4,018