| Capital Ratios of Hanmi Financial and Bank | 
 The capital ratios of Hanmi Financial and the Bank as of December 31, 2023 and 2022 were as follows: 
  
      
       
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        Actual  | 
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        Minimum Regulatory Requirement  | 
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        Minimum to be Categorized as “Well Capitalized”  | 
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        Amount  | 
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        Ratio  | 
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        Amount  | 
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        Ratio  | 
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        Amount  | 
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        Ratio  | 
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        (dollars in thousands)  | 
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        December 31, 2023  | 
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        Total capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        947,286  | 
           | 
           | 
           | 
        14.95  | 
        %  | 
           | 
        $  | 
        506,891  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        904,153  | 
           | 
           | 
           | 
        14.27  | 
        %  | 
           | 
        $  | 
        506,741  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
           | 
        $  | 
        633,426  | 
           | 
           | 
           | 
        10.00  | 
        %  | 
        
       
        Tier 1 capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        773,179  | 
           | 
           | 
           | 
        12.20  | 
        %  | 
           | 
        $  | 
        380,168  | 
           | 
           | 
           | 
        6.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        840,046  | 
           | 
           | 
           | 
        13.26  | 
        %  | 
           | 
        $  | 
        380,056  | 
           | 
           | 
           | 
        6.00  | 
        %  | 
           | 
        $  | 
        506,741  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
        
       
        Common equity Tier 1 capital (to risk-weighted assets)  | 
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        Hanmi Financial  | 
           | 
        $  | 
        751,516  | 
           | 
           | 
           | 
        11.86  | 
        %  | 
           | 
        $  | 
        285,126  | 
           | 
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           | 
        4.50  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        840,046  | 
           | 
           | 
           | 
        13.26  | 
        %  | 
           | 
        $  | 
        285,042  | 
           | 
           | 
           | 
        4.50  | 
        %  | 
           | 
        $  | 
        411,727  | 
           | 
           | 
           | 
        6.50  | 
        %  | 
        
       
        Tier 1 capital (to average assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        773,179  | 
           | 
           | 
           | 
        10.37  | 
        %  | 
           | 
        $  | 
        298,277  | 
           | 
           | 
           | 
        4.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        840,046  | 
           | 
           | 
           | 
        11.32  | 
        %  | 
           | 
        $  | 
        296,948  | 
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           | 
        4.00  | 
        %  | 
           | 
        $  | 
        371,185  | 
           | 
           | 
           | 
        5.00  | 
        %  | 
        
       
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        December 31, 2022  | 
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        Total capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        901,239  | 
           | 
           | 
           | 
        14.49  | 
        %  | 
           | 
        $  | 
        497,508  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
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        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        860,503  | 
           | 
           | 
           | 
        13.86  | 
        %  | 
           | 
        $  | 
        496,607  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
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        $  | 
        620,758  | 
           | 
           | 
           | 
        10.00  | 
        %  | 
        
       
        Tier 1 capital (to risk-weighted assets):  | 
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        Hanmi Financial  | 
           | 
        $  | 
        728,344  | 
           | 
           | 
           | 
        11.71  | 
        %  | 
           | 
        $  | 
        373,131  | 
           | 
           | 
           | 
        6.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        797,608  | 
           | 
           | 
           | 
        12.85  | 
        %  | 
           | 
        $  | 
        372,455  | 
           | 
           | 
           | 
        6.00  | 
        %  | 
           | 
        $  | 
        496,607  | 
           | 
           | 
           | 
        8.00  | 
        %  | 
        
       
        Common equity Tier 1 capital (to risk-weighted assets)  | 
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           | 
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           | 
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        Hanmi Financial  | 
           | 
        $  | 
        707,101  | 
           | 
           | 
           | 
        11.37  | 
        %  | 
           | 
        $  | 
        279,848  | 
           | 
           | 
           | 
        4.50  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        797,608  | 
           | 
           | 
           | 
        12.85  | 
        %  | 
           | 
        $  | 
        279,341  | 
           | 
           | 
           | 
        4.50  | 
        %  | 
           | 
        $  | 
        403,493  | 
           | 
           | 
           | 
        6.50  | 
        %  | 
        
       
        Tier 1 capital (to average assets):  | 
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           | 
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           | 
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        Hanmi Financial  | 
           | 
        $  | 
        728,344  | 
           | 
           | 
           | 
        10.07  | 
        %  | 
           | 
        $  | 
        289,311  | 
           | 
           | 
           | 
        4.00  | 
        %  | 
           | 
        N/A  | 
           | 
           | 
        N/A  | 
           | 
        
       
        Hanmi Bank  | 
           | 
        $  | 
        797,608  | 
           | 
           | 
           | 
        11.07  | 
        %  | 
           | 
        $  | 
        288,110  | 
           | 
           | 
           | 
        4.00  | 
        %  | 
           | 
        $  | 
        360,137  | 
           | 
           | 
           | 
        5.00  | 
        %  | 
        
       
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