Summary of Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Information (Unaudited)

(Dollars in thousands, except per share data)
2012	Dec. 31			Sept. 30			June 30			March 31
Net interest income	$	37,974		$	36,812		$	37,177		$	38,193
Provision for loan and lease losses	3,350			(502		)	3,000			2,354
Net interest income after provision for loan and lease losses	34,624			37,314			34,177			35,839
Noninterest income	27,230			29,766			28,278			23,388
Noninterest expense	54,623			47,159			41,459			40,140
Income taxes	(2,258		)	6,338			7,032			6,272
Net income	9,489			13,583			13,964			12,815
Net income available to noncontrolling interest, net of tax	(82		)	4			(7		)	26
Net income attributable to Heartland	9,407			13,587			13,957			12,841
Preferred stock dividends and discount	(409		)	(949		)	(1,021		)	(1,021		)
Net income available to common stockholders	8,998			12,638			12,936			11,820
Per share:
Earnings per share-basic	$	0.54		$	0.77		$	0.79		$	0.72
Earnings per share-diluted	0.54			0.75			0.77			0.71
Cash dividends declared on common stock	0.20			0.10			0.10			0.10
Book value per common share	19.02			18.81			17.65			17.09
Weighted average common shares outstanding	16,534,217			16,473,760			16,474,455			16,490,051
Weighted average diluted common shares outstanding	16,812,947			16,745,968			16,717,846			16,729,925

(Dollars in thousands, except per share data)
2011	Dec. 31			Sept. 30			June 30			March 31
Net interest income	$	36,837		$	36,235		$	36,601		$	35,721
Provision for loan and lease losses	7,784			7,727			3,845			10,009
Net interest income after provision for loan and lease losses	29,053			28,508			32,756			25,712
Noninterest income	19,038			13,262			14,669			12,608
Noninterest expense	40,203			31,863			32,343			32,887
Income taxes	1,671			2,549			4,870			1,212
Net income	6,217			7,358			10,212			4,221
Net income available to noncontrolling interest, net of tax	31			(20		)	9			16
Net income attributable to Heartland	6,248			7,338			10,221			4,237
Preferred stock dividends and discount	(1,021		)	(3,947		)	(1,336		)	(1,336		)
Net income available to common stockholders	5,227			3,391			8,885			2,901
Per share:
Earnings per share-basic	$	0.32		$	0.21		$	0.54		$	0.18
Earnings per share-diluted	0.31			0.20			0.54			0.18
Cash dividends declared on common stock	0.10			0.10			0.10			0.10
Book value per common share	16.29			16.33			16.04			15.28
Weighted average common shares outstanding	16,460,613			16,444,369			16,426,741			16,407,845
Weighted average diluted common shares outstanding	16,599,741			16,585,021			16,568,701			16,557,353