Annual report [Section 13 and 15(d), not S-K Item 405]

Regulatory Matters - Capital Ratios of Hanmi Financial and Bank (Detail)

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Regulatory Matters - Capital Ratios of Hanmi Financial and Bank (Detail)
$ in Thousands
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 0.0800  
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 0.0600  
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets 0.0400  
Minimum to Be Categorized as Well Capitalized Ratio, Total capital to risk-weighted assets 0.1000  
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to risk-weighted assets 0.0800  
Hanmi Financial    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Actual Capital, Total capital to risk-weighted assets $ 979,843 $ 947,286
Actual Capital, Tier 1 capital to risk-weighted assets 801,040 773,179
Actual Capital, Common equity Tier 1 capital to risk-weighted assets 778,941 751,516
Actual Capital, Tier 1 capital to average assets $ 801,040 $ 773,179
Actual Capital Ratio, Total capital to risk-weighted assets 0.1524 0.1495
Actual Capital Ratio, Tier 1 capital to risk-weighted assets 0.1246 0.122
Actual Capital Ratio, Common equity Tier 1 capital to risk-weighted assets 0.1211 0.1186
Actual Capital Ratio, Tier 1 capital to average assets 0.1063 0.1037
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets $ 514,455 $ 506,891
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets 385,841 380,168
Minimum Regulatory Requirement Capital, Common equity Tier 1 capital to risk-weighted assets 289,381 285,126
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets $ 301,346 $ 298,277
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 0.08 0.08
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 0.06 0.06
Minimum Regulatory Requirement Ratio for Common equity Tier 1 capital to risk-weighted assets 4.50% 4.50%
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets 0.04 0.04
Hanmi Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Actual Capital, Total capital to risk-weighted assets $ 927,882 $ 904,153
Actual Capital, Tier 1 capital to risk-weighted assets 859,079 840,046
Actual Capital, Common equity Tier 1 capital to risk-weighted assets 859,079 840,046
Actual Capital, Tier 1 capital to average assets $ 859,079 $ 840,046
Actual Capital Ratio, Total capital to risk-weighted assets 0.1443 0.1427
Actual Capital Ratio, Tier 1 capital to risk-weighted assets 0.1336 0.1326
Actual Capital Ratio, Common equity Tier 1 capital to risk-weighted assets 0.1336 0.1326
Actual Capital Ratio, Tier 1 capital to average assets 0.1147 0.1132
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets $ 514,406 $ 506,741
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets 385,804 380,056
Minimum Regulatory Requirement Capital, Common equity Tier 1 capital to risk-weighted assets 289,353 285,042
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets $ 299,771 $ 296,948
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 0.08 0.08
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 0.06 0.06
Minimum Regulatory Requirement Ratio for Common equity Tier 1 capital to risk-weighted assets 4.50% 4.50%
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets 0.04 0.04
Minimum to Be Categorized as Well Capitalized Capital, Total capital to risk-weighted assets $ 643,007 $ 633,426
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to risk-weighted assets 514,406 506,741
Minimum to Be Categorized as Well Capitalized Capital, Common equity Tier 1 capital to risk-weighted average 417,955 411,727
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to average assets $ 374,714 $ 371,185
Minimum to Be Categorized as Well Capitalized Ratio, Total capital to risk-weighted assets 0.10 0.10
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to risk-weighted assets 0.08 0.08
Minimum to Be Categorized as Well Capitalized Ratio, Common equity Tier 1 capital to risk-weighted assets 6.50% 6.50%
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to average assets 0.05 0.05