Share-Based Compensations - Summary of Stock Options Outstanding under Plans (Parenthetical) (Detail) (USD $)	Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Intrinsic value of stock options outstanding	$ 21.89

The excess of the closing stock price on the last day of the trading period over the exercise price.

No definition available.

Name:	hafc_ClosingPriceOfCommonStock
Namespace Prefix:	hafc_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant