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

Accumulated Other Comprehensive Income - Additional Information (Detail) - USD ($)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income [Line Items]
Net gain on sales of securities	$ 1,912,000		$ 364,000		$ 4,096,000	$ 1,785,000
Unrealized gain					0	0	$ 0
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income [Line Items]
Net gain on sales of securities	$ 1,900,000		$ 364,000		$ 4,100,000	$ 1,800,000
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Accumulated Other-than-Temporary Impairment [Member]
Accumulated Other Comprehensive Income [Line Items]
Unrealized gain		$ 4,100,000		$ 100,000			$ 1,200,000	$ 177,000