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	Sep. 30, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Total commitments	$ 945,791	$ 872,317
Unused Commitments to Extend Credit
Loss Contingencies [Line Items]
Total commitments	848,886	780,543
Standby letters of credit
Loss Contingencies [Line Items]
Total commitments	77,381	71,829
Commercial letters of credit
Loss Contingencies [Line Items]
Total commitments	$ 19,524	$ 19,945