Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Amounts used in the determination of basic and diluted earnings per share for the three-month periods ended March 31, 2013 and 2012, are shown in the table below:

	Three Months Ended
(Dollars and number of shares in thousands, except per share data)	March 31, 2013			March 31, 2012
Net income attributable to Heartland	$	12,488		$	12,841
Preferred dividends and discount	(408		)	(1,021		)
Net income available to common stockholders	$	12,080		$	11,820
Weighted average common shares outstanding for basic earnings per share	16,852			16,490
Assumed incremental common shares issued upon exercise of stock options	335			240
Weighted average common shares for diluted earnings per share	17,187			16,730
Earnings per common share — basic	$	0.72		$	0.72
Earnings per common share — diluted	$	0.70		$	0.71
Number of antidilutive stock options excluded from diluted earnings per share computation	105			509

Schedule of Status of Stock Options

A summary of the status of the stock options as of March 31, 2013 and 2012, and changes during three months ended March 31, 2013 and 2012, follows:

	2013				2012
	Shares		Weighted-Average Exercise Price		Shares		Weighted-Average Exercise Price
Outstanding at January 1	377,907		$	22.62	570,762		$	21.06
Granted	—		—		—		—
Exercised	(9,835	)	16.69		(12,500	)	9.89
Forfeited	(1,800	)	26.68		(5,250	)	20.62
Outstanding at March 31	366,272		$	22.76	553,012		$	21.32
Options exercisable at March 31	366,272		$	22.76	505,295		$	21.58