Note 11 - Junior Subordinated Debentures (Tables)

12 Months Ended

Dec. 31, 2015

Subordinated Borrowings [Abstract]

Schedule of Subordinated Borrowing [Table Text Block]

	2015			2014
Note Payable to QCR Holdings Capital Trust II	$	10,310,000		$	12,372,000
Note Payable to QCR Holdings Capital Trust III		8,248,000			8,248,000
Note Payable to QCR Holdings Capital Trust IV		5,155,000			5,155,000
Note Payable to QCR Holdings Capital Trust V		10,310,000			10,310,000
Note Payable to Community National Trust II		3,093,000			3,093,000
Note Payable to Community National Trust III		3,609,000			3,609,000
Market Value Discount per ASC 805 (see Note 2)		(2,225,948	)		(2,363,265	)
	$	38,499,052		$	40,423,735

Investments in and Advances to Affiliates [Table Text Block]

Name	Date Issued	Amount Outstanding		Interest Rate	Interest Rate as of 12/31/2015		Interest Rate as of 12/31/2014
QCR Holdings Statutory Trust II*	February 2004	$	10,310,000	2.85% over 3-month LIBOR		3.18%		3.08%
QCR Holdings Statutory Trust III	February 2004		8,248,000	2.85% over 3-month LIBOR		3.18%		3.08%
QCR Holdings Statutory Trust IV	May 2005		5,155,000	1.80% over 3-month LIBOR		2.12%		2.03%
QCR Holdings Statutory Trust V	February 2006		10,310,000	1.55% over 3-month LIBOR		1.87%		1.78%
Community National Statutory Trust II	September 2004		3,093,000	2.17% over 3-month LIBOR		2.74%		2.42%
Community National Statutory Trust III	March 2007		3,609,000	1.75% over 3-month LIBOR		2.26%		1.99%
		$	40,725,000	Weighted Average Rate		2.60%		2.50%