Hanmi Financial Corporation Annual report pursuant to Section 13 and 15(d)

Premises and Equipment - Summary of Major Components of Premises and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Premises and Equipment, Gross	$ 59,625us-gaap_PropertyPlantAndEquipmentGross	$ 42,273us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation and amortization	(28,713)	(28,052)
Total premises and equipment, net	30,912us-gaap_PropertyPlantAndEquipmentNet	14,221us-gaap_PropertyPlantAndEquipmentNet
Software [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Gross	862	862
Land [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Gross	9,860	6,120
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Gross	19,598	9,248
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Gross	17,902	15,654
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and Equipment, Gross	$ 11,403	$ 10,389