The number of junior subordinated debentures assumed.

No definition available.

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Note 12 - Junior Subordinated Debentures (Details)			12 Months Ended
Note 12 - Junior Subordinated Debentures (Details)	Feb. 12, 2019	Sep. 27, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Oct. 01, 2017 USD ($) loan	Feb. 29, 2004 USD ($)
Other borrowings					$ 3,857,275
Debt Instrument, Face Amount			$ 40,210,000		$ 40,210,000
Gain (loss) on extinguishment of debt				$ (4,577,668)
Debt Instrument, Interest Rate, Effective Percentage			4.94%		3.82%
London Interbank Offered Rate (LIBOR)
Debt Instrument, Basis Spread on Variable Rate	282.00%
Junior Subordinated Debt [Member]
Repayment period (in years)			30 years
Note Payable to QCR Holdings Capital Trust II [Member]
Debt Instrument, Face Amount							$ 12,372,000
Note Payable to QCR Holdings Capital Trust IV [Member] \| Junior Subordinated Debt [Member]
Extinguishment of Debt, Amount				5,100,000
Gain (loss) on extinguishment of debt				$ 1,200,000
Debt Instrument, Interest Rate, Effective Percentage				2.42%
Note Payable to QCR Holdings Capital Trust IV [Member] \| Junior Subordinated Debt [Member] \| London Interbank Offered Rate (LIBOR)
Debt Instrument, Basis Spread on Variable Rate				1.80%
Guaranty Bank and Trust Company [Member]
Number of assumed junior subordinated debentures \| loan						1
Other borrowings						$ 3,857,275
Debt Instrument, Face Amount		$ 7,000,000
Repayment period (in years)		4 years