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

Liquidity - Additional Information (Detail)

v3.25.4
Liquidity - Additional Information (Detail) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Line of Credit Facility [Line Items]    
Securities available for sale $ 880,624,000 $ 905,798,000
State of California time deposits 2,503,421,000  
Borrowings 0 0
Line of credit 140,000,000  
Hanmi Bank    
Line of Credit Facility [Line Items]    
Cash on deposit with bank subsidiary 8,800,000 11,400,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances 150,000,000 262,500,000
State of California time deposits 150,000,000 120,000,000
Broker deposits $ 88,500,000 60,700,000
Percentage of borrowings from FHLB (up to) 30.00%  
Total borrowing capacity based on pledged collateral $ 1,760,000,000 1,690,000,000
Borrowing capacity available based on pledged collateral 1,460,000,000 1,300,000,000
Amount available from borrowing source 424,500,000  
Carrying value for loans pledged by Bank 528,100,000  
Borrowings   0
Maximum borrowing capacity of line of credit 100,000,000  
Hanmi Bank | U.S. Treasury Securities    
Line of Credit Facility [Line Items]    
Securities available for sale $ 46,200,000 $ 38,800,000