Hanmi Financial Corporation Quarterly report [Sections 13 or 15(d)]

Loans - Schedule of Loan Modifications (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Interest Only/Principal Deferment \| Commercial Property Loans: Retail
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	$ 13,531
% of Total Class of Loans	1.20%
Financial Effect	Two loans with three month principal and interest deferral
Commercial and Industrial
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	$ 22,863	$ 24,474
% of Total Class of Loans	2.70%	2.80%
Commercial and Industrial \| Term Loan One
Financing Receivable, Modified [Line Items]
Financial Effect	One loan with term extension of six years	One loan with term extension of six years
Commercial and Industrial \| Term Loan Two
Financing Receivable, Modified [Line Items]
Financial Effect	one loan with term extension of six months	one loan with term extension of six months
Commercial and Industrial \| Interest Only/Principal Deferment
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	$ 19,748	$ 19,748
% of Total Class of Loans	2.30%	2.30%
Commercial and Industrial \| Interest Only/Principal Deferment \| Term Loan One
Financing Receivable, Modified [Line Items]
Financial Effect	One loan with six month interest only	One loan with six month interest only
Commercial and Industrial \| Interest Only/Principal Deferment \| Term Loan Two
Financing Receivable, Modified [Line Items]
Financial Effect	one loan with 12 month interest only	one loan with 12 month interest only