Condensed Financial Information of Parent Company - Statement of Income of Parent Company (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Condensed Income Statements, Captions [Line Items] | |||||||||||
| Interest expense | $ (16,311) | $ (14,707) | $ (12,208) | $ (10,158) | $ (9,440) | $ (8,936) | $ (8,148) | $ (5,995) | $ (53,384) | $ (32,519) | $ (18,274) |
| Other expense | (11,256) | (11,170) | (11,056) | ||||||||
| Income tax benefit | (8,222) | (6,255) | (5,901) | (5,724) | (13,049) | (9,890) | (9,057) | (8,628) | (26,102) | (40,624) | (32,899) |
| Equity in undistributed earnings of subsidiary | 359 | 339 | |||||||||
| Net income | $ 11,384 | $ 16,081 | $ 15,548 | $ 14,855 | $ 11,497 | $ 14,923 | $ 14,457 | $ 13,783 | 57,868 | 54,660 | 56,489 |
| Hanmi Financial | |||||||||||
| Condensed Income Statements, Captions [Line Items] | |||||||||||
| Dividends from bank subsidiary | 76,669 | 22,619 | 8,978 | ||||||||
| Interest expense | (6,925) | (5,353) | (825) | ||||||||
| Other expense | (5,988) | (5,291) | (5,188) | ||||||||
| Income before taxes and undistributed income | 63,756 | 11,975 | 2,965 | ||||||||
| Income tax benefit | 4,116 | 7,513 | 2,382 | ||||||||
| Income before undistributed income of subsidiary | 67,872 | 19,488 | 5,347 | ||||||||
| Equity in undistributed earnings of subsidiary | (10,004) | 35,172 | 51,142 | ||||||||
| Net income | $ 57,868 | $ 54,660 | $ 56,489 | ||||||||
| X | ||||||||||
- Definition Net Income (Loss) Attributable to Parent, Before Equity In Undistributed Income of Subsidiary No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of noninterest expense classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|