Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
NET INCOME	$ 49,851	$ 28,008	$ 23,788
Securities:
Net change in unrealized gain on securities available for sale	20,988	22,751	12,923
Reclassification adjustment for net gains realized in net income	(12,981)	(13,104)	(6,834)
Net change in non-credit related other than temporary impairment	(612)	0	0
Income taxes	(2,750)	(3,374)	(2,217)
Other comprehensive income on securities available for sale and held to maturity	4,645	6,273	3,872
Derivatives used in cash flow hedging relationships:
Unrealized losses on derivatives	(2,204)	(6,053)	(4,652)
Reclassification adjustment for net losses on derivatives realized in net income	1,984	1,996	726
Income taxes	69	1,414	1,464
Other comprehensive income (loss) on cash flow hedges	(151)	(2,643)	(2,462)
Other comprehensive income	4,494	3,630	1,410
Comprehensive Income	54,345	31,638	25,198
Less: comprehensive (income) loss attributable to noncontrolling interest	(59)	36	115
COMPREHENSIVE INCOME ATTRIBUTABLE TO HEARTLAND	$ 54,286	$ 31,674	$ 25,313