Annual report pursuant to Section 13 and 15(d)

Junior Subordinated Debentures - Schedule of Outstanding Subordinated Debentures (Detail)

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Junior Subordinated Debentures - Schedule of Outstanding Subordinated Debentures (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Hanmi Capital Trust I [Member]
Dec. 31, 2012
Hanmi Capital Trust II [Member]
Dec. 31, 2012
Hanmi Capital Trust III [Member]
Subordinate Debenture [Line Items]          
Issuance     Jan. 08, 2004 Mar. 15, 2004 Apr. 28, 2004
Trust Preferred Securities Outstanding $ 82,400 $ 82,400 $ 30,000 $ 30,000 $ 20,000
Interest Rate     3.24% 3.21% 2.94%
Interest Rate Basis     3 Month LIBOR + 2.90% 3 Month LIBOR + 2.90% 3 Month LIBOR + 2.63%
Interest Rate Basis, percentage     2.90% 2.90% 2.63%
Junior Subordinated Debt Owed to Trusts $ 82,406 $ 82,406 $ 30,928 $ 30,928 $ 20,619
Final Maturity Date     Jan. 15, 2034 Mar. 15, 2034 Apr. 30, 2034