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

Liquidity - Additional Information (Detail)

v3.25.0.1
Liquidity - Additional Information (Detail) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Line of Credit Facility [Line Items]    
Securities available for sale $ 905,798,000 $ 865,739,000
State of California time deposits 2,325,283,000  
Borrowings 0 0
Line of credit 140,000,000.0 140,000,000.0
Hanmi Bank    
Line of Credit Facility [Line Items]    
Cash on deposit with bank subsidiary 11,400,000 7,500,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances 262,500,000 325,000,000.0
State of California time deposits 120,000,000 120,000,000
Broker deposits $ 60,700,000 58,300,000
Percentage of borrowings from FHLB (up to) 30.00%  
Total borrowing capacity based on pledged collateral $ 1,690,000,000 1,540,000,000
Borrowing capacity available based on pledged collateral 1,300,000,000 1,090,000,000.00
Amount available from borrowing source 27,600,000  
Market value for loans pledged by Bank 29,400,000  
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 $ 38,800,000 $ 32,400,000