Annual report pursuant to Section 13 and 15(d)

Regulatory Matters - Additional Information (Detail)

v3.10.0.1
Regulatory Matters - Additional Information (Detail)
Dec. 31, 2018
Dec. 31, 2017
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Minimum ratio of qualifying total capital to risk-weighted assets 800.00%  
Minimum ratio of Tier 1 capital to risk-weighted assets 600.00%  
Leverage ratio 400.00%  
Minimum ratio of qualifying total capital to risk-weighted assets for well capitalized 1000.00%  
Minimum ratio of Tier 1 capital to average assets for well capitalized 800.00%  
Bank's capital conservation buffer (percent) 6.19% 7.20%
Depository Institutions    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Leverage ratio 500.00%  
Hanmi Bank    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Bank's capital conservation buffer (percent) 5.74% 6.55%