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) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Minimum Regulatory Requirement Ratio for Total capital to risk-weighted assets 8.00%  
Minimum Regulatory Requirement Ratio for Tier 1 capital to risk-weighted assets 4.00%  
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets 4.00%  
Minimum to Be Categorized as Well Capitalized Percentage, Total capital to risk-weighted assets 10.00%  
Minimum to Be Categorized as Well Capitalized Percentage, Tier 1 capital to risk-weighted assets 6.00%  
Hanmi Financial [Member]
   
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Actual Capital, Total capital to risk-weighted assets $ 409,551 $ 451,784
Actual Capital, Tier 1 capital to risk-weighted assets 380,256 423,937
Actual Capital, Tier 1 capital to average assets 380,256 423,937
Actual Capital Percentage, Total capital to risk-weighted assets 17.72% 20.65%
Actual Capital Percentage, Tier 1 capital to risk-weighted assets 16.45% 19.37%
Actual Capital Percentage, Tier 1 capital to average assets 13.68% 14.95%
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets 184,934 175,050
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets 92,467 87,525
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets 111,197 113,464
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 4.00% 4.00%
Minimum Regulatory Requirement Ratio for Tier 1 capital to average assets 4.00% 4.00%
Hanmi Bank [Member]
   
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Actual Capital, Total capital to risk-weighted assets 392,743 433,570
Actual Capital, Tier 1 capital to risk-weighted assets 363,527 405,801
Actual Capital, Tier 1 capital to average assets 363,527 405,801
Actual Capital Percentage, Total capital to risk-weighted assets 17.02% 19.85%
Actual Capital Percentage, Tier 1 capital to risk-weighted assets 15.75% 18.58%
Actual Capital Percentage, Tier 1 capital to average assets 13.10% 14.33%
Minimum Regulatory Requirement Capital, Total capital to risk-weighted assets 184,604 174,734
Minimum Regulatory Requirement Capital, Tier 1 capital to risk-weighted assets 92,302 87,367
Minimum Regulatory Requirement Capital, Tier 1 capital to average assets 110,995 113,278
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 4.00% 4.00%
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 230,755 218,418
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to risk-weighted assets 138,453 131,051
Minimum to Be Categorized as Well Capitalized Capital, Tier 1 capital to average assets $ 138,743 $ 141,597
Minimum to Be Categorized as Well Capitalized Percentage, Total capital to risk-weighted assets 10.00% 10.00%
Minimum to Be Categorized as Well Capitalized Percentage, Tier 1 capital to risk-weighted assets 6.00% 6.00%
Minimum to Be Categorized as Well Capitalized Percentage, Tier 1 capital to average assets 5.00% 5.00%