| Capital Ratios of Hanmi Financial and Bank | The capital ratios of Hanmi Financial and the Bank as of March 31, 2025 and December 31, 2024 were as follows:   
        
         |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
         |   |   |   |   |   |   |   |   | Minimum |   |   | Minimum to Be |   |  
         |   |   |   |   |   |   |   |   | Regulatory |   |   | Categorized as |   |  
         |   |   | Actual |   |   | Requirement |   |   | “Well Capitalized” |   |  
         |   |   | Amount |   |   | Ratio |   |   | Amount |   |   | Ratio |   |   | Amount |   |   | Ratio |   |  
         |   |   | (dollars in thousands) |   |  
         | March 31, 2025 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Total capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 994,327 |   |   |   | 15.28 | % |   | $ | 520,255 |   |   |   | 8.00 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 941,548 |   |   |   | 14.47 | % |   | $ | 520,218 |   |   |   | 8.00 | % |   | $ | 650,273 |   |   |   | 10.00 | % |  
         | Tier 1 capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 810,836 |   |   |   | 12.46 | % |   | $ | 390,191 |   |   |   | 6.00 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 868,057 |   |   |   | 13.34 | % |   | $ | 390,164 |   |   |   | 6.00 | % |   | $ | 520,218 |   |   |   | 8.00 | % |  
         | Common equity Tier 1 capital (to risk-weighted assets) |   |   |   |   |                                                                                                       |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 788,625 |   |   |   | 12.12 | % |   | $ | 292,643 |   |   |   | 4.50 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 868,057 |   |   |   | 13.34 | % |   | $ | 292,623 |   |   |   | 4.50 | % |   | $ | 422,677 |   |   |   | 6.50 | % |  
         | Tier 1 capital (to average assets): |   |   |   |   |                                           |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 810,836 |   |   |   | 10.67 | % |   | $ | 303,867 |   |   |   | 4.00 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 868,057 |   |   |   | 11.49 | % |   | $ | 302,158 |   |   |   | 4.00 | % |   | $ | 377,697 |   |   |   | 5.00 | % |  
         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | December 31, 2024 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Total capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 979,843 |   |   |   | 15.24 | % |   | $ | 514,455 |   |   |   | 8.00 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 927,882 |   |   |   | 14.43 | % |   | $ | 514,406 |   |   |   | 8.00 | % |   | $ | 643,007 |   |   |   | 10.00 | % |  
         | Tier 1 capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 801,040 |   |   |   | 12.46 | % |   | $ | 385,841 |   |   |   | 6.00 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 859,079 |   |   |   | 13.36 | % |   | $ | 385,804 |   |   |   | 6.00 | % |   | $ | 514,406 |   |   |   | 8.00 | % |  
         | Common equity Tier 1 capital (to risk-weighted assets) |   |   |   |   |                                                                                                       |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 778,941 |   |   |   | 12.11 | % |   | $ | 289,381 |   |   |   | 4.50 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 859,079 |   |   |   | 13.36 | % |   | $ | 289,353 |   |   |   | 4.50 | % |   | $ | 417,955 |   |   |   | 6.50 | % |  
         | Tier 1 capital (to average assets): |   |   |   |   |                                           |   |   |   |   |   |   |   |   |   |   |   |   |   |  
         | Hanmi Financial |   | $ | 801,040 |   |   |   | 10.63 | % |   | $ | 301,346 |   |   |   | 4.00 | % |   | N/A |   |   | N/A |   |  
         | Hanmi Bank |   | $ | 859,079 |   |   |   | 11.47 | % |   | $ | 299,771 |   |   |   | 4.00 | % |   | $ | 374,714 |   |   |   | 5.00 | % |  |