Consolidated Statements Of Comprehensive Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income	$ 3,184,510	$ 2,266,601	$ 9,860,738	$ 7,271,299
Unrealized gains on securities available for sale:
Unrealized holding gains arising during the period before tax	2,660,251	4,340,017	2,313,706	7,091,919
Less reclassification adjustment for gains included in net income before tax		443,614	104,600	1,472,528
	2,660,251	3,896,403	2,209,106	5,619,391
Tax expense	1,016,673	1,492,108	841,718	2,150,922
Other comprehensive income, net of tax	1,643,578	2,404,295	1,367,388	3,468,469
Comprehensive income attributable to QCR Holdings, Inc.	$ 4,828,088	$ 4,670,896	$ 11,228,126	$ 10,739,768