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Fair value portion of short term loan where a bank sells, at the federal funds rate, from another bank.

No definition available.

Name:	qcrh_FederalFundsSoldFairValueDisclosure
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Fair value portion of interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

No definition available.

Name:	qcrh_InterestBearingDepositsInBanksFairValue
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Period Type:	instant

Fair value portion of other borrowings.

No definition available.

Name:	qcrh_OtherBorrowingsFairValueDisclosure
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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

No definition available.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

No definition available.

Name:	us-gaap_DepositsFairValueDisclosure
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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Section 50
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-Paragraph 3
-Subparagraph (c)
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Name:	us-gaap_DerivativeAssets
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Name:	us-gaap_DerivativeLiabilities
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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations
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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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-Topic 942
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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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-Topic 310
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-URI http://asc.fasb.org/subtopic&trid=2196772

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

No definition available.

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