Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Summary of Stock Options Outstanding under Plans (Parenthetical) (Detail)

v2.4.1.9
Share-Based Compensation - Summary of Stock Options Outstanding under Plans (Parenthetical) (Detail) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Intrinsic value represents the excess of the closing stock price related to options outstanding $ 21.15hafc_ClosingPriceOfCommonStock $ 21.81hafc_ClosingPriceOfCommonStock