Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income	$ 4,045,231	$ 3,273,379	$ 7,310,375	$ 6,676,228
Unrealized gains (losses) on securities available for sale:
Unrealized holding gains (losses) arising during the period before tax	(21,238,019)	2,114,026	(22,594,571)	(346,545)
Less reclassification adjustment for gains included in net income before tax	16,460	104,600	16,460	104,600
	(21,254,479)	2,009,426	(22,611,031)	(451,145)
Tax expense (benefit)	(8,162,990)	768,381	(8,683,184)	(174,955)
Other comprehensive income (loss), net of tax	(13,091,489)	1,241,045	(13,927,847)	(276,190)
Comprehensive income (loss) attributable to QCR Holdings, Inc.	$ (9,046,258)	$ 4,514,424	$ (6,617,472)	$ 6,400,038