Hanmi Financial Corporation Quarterly report pursuant to Section 13 or 15(d)

Off-Balance Sheet Commitments - Distribution of Total Loan Commitments (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Total commitments	$ 912,470	$ 930,825
Unused Commitments to Extend Credit
Loss Contingencies [Line Items]
Total commitments	792,769	813,960
Standby letters of credit
Loss Contingencies [Line Items]
Total commitments	83,772	83,725
Commercial letters of credit
Loss Contingencies [Line Items]
Total commitments	$ 35,929	$ 33,140