Quarterly report pursuant to Section 13 or 15(d)

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
Jun. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 8.0  
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 6.0  
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets 4.0  
Minimum to Be Categorized as Well Capitalized Ratio, Total capital to risk-weighted assets 10.0  
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to risk-weighted assets 8.0  
Hanmi Financial    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Actual Capital, Total capital to risk-weighted assets $ 775,558 $ 743,091
Actual Capital, Tier 1 capital to risk-weighted assets 614,177 583,076
Actual Capital, Common equity Tier 1 capital to risk-weighted assets 593,550 562,647
Actual Capital, Tier 1 capital to average assets $ 614,177 $ 583,076
Actual Capital Ratio, Total capital to risk-weighted assets 15.53 15.21
Actual Capital Ratio, Tier 1 capital to risk-weighted assets 12.30 11.93
Actual Capital Ratio, Common equity Tier 1 capital to risk-weighted assets 11.88 11.52
Actual Capital Ratio, Tier 1 capital to average assets 9.57 9.49
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets $ 399,535 $ 390,884
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets 299,651 293,163
Minimum Regulatory Requirement Capital, Common equity Tier 1 capital to risk-weighted assets 224,739 219,872
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets $ 256,626 $ 245,882
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 8.00 8.00
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 6.00 6.00
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 4.00 4.00
Hanmi Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Actual Capital, Total capital to risk-weighted assets $ 761,376 $ 726,532
Actual Capital, Tier 1 capital to risk-weighted assets 698,715 665,058
Actual Capital, Common equity Tier 1 capital to risk-weighted assets 698,715 665,058
Actual Capital, Tier 1 capital to average assets $ 698,715 $ 665,059
Actual Capital Ratio, Total capital to risk-weighted assets 15.25 14.86
Actual Capital Ratio, Tier 1 capital to risk-weighted assets 13.99 13.60
Actual Capital Ratio, Common equity Tier 1 capital to risk-weighted assets 13.99 13.60
Actual Capital Ratio, Tier 1 capital to average assets 10.89 10.83
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets $ 399,459 $ 391,114
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets 299,594 293,336
Minimum Regulatory Requirement Capital, Common equity Tier 1 capital to risk-weighted assets 224,696 220,002
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets $ 256,611 $ 245,736
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 8.00 8.00
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 6.00 6.00
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 4.00 4.00
Minimum to Be Categorized as Well Capitalized Capital, Total capital to risk-weighted assets $ 499,323 $ 488,893
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to risk-weighted assets 399,459 391,114
Minimum to Be Categorized as Well Capitalized Capital, Common equity Tier 1 capital to risk-weighted average 324,560 317,780
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to average assets $ 320,763 $ 307,170
Minimum to Be Categorized as Well Capitalized Ratio, Total capital to risk-weighted assets 10.00 10.00
Minimum to Be Categorized as Well Capitalized Ratio, Tier 1 capital to risk-weighted assets 8.00 8.00
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 5.00 5.00