Annual report pursuant to Section 13 and 15(d)

Regulatory Matters - Additional Information (Detail)

v3.19.3.a.u2
Regulatory Matters - Additional Information (Detail)
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Minimum ratio of qualifying total capital to risk-weighted assets 8.00%    
Minimum ratio of Tier 1 capital to risk-weighted assets 6.00%    
Leverage ratio 4.00%    
Minimum ratio of qualifying total capital to risk-weighted assets for well capitalized 10.00%    
Minimum ratio of Tier 1 capital to average assets for well capitalized 8.00%    
Capital conservation buffer (percent) 6.64% 2.50% 6.19%
Hanmi Bank      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Minimum ratio of qualifying total capital to risk-weighted assets 8.00%   8.00%
Minimum ratio of Tier 1 capital to risk-weighted assets 6.00%   6.00%
Leverage ratio 4.00%   4.00%
Minimum ratio of qualifying total capital to risk-weighted assets for well capitalized 10.00%   10.00%
Minimum ratio of Tier 1 capital to average assets for well capitalized 8.00%   8.00%
Capital conservation buffer (percent) 5.78%   5.74%
Depository Institutions      
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]      
Leverage ratio 5.00%