XML 58 R97.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 11 - Junior Subordinate Debentures (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2014
Issued in September 2004 [Member] | Junior Subordinated Debt [Member] |  |
Note 11 - Junior Subordinate Debentures (Details) [Line Items] |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt |  | $ 3,093,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember / us-gaap_SubordinatedBorrowingAxis = qcrh_IssuedInSeptember2004Member
Issued in September 2004 [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |
Note 11 - Junior Subordinate Debentures (Details) [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 2.17%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_SubordinatedBorrowingAxis = qcrh_IssuedInSeptember2004Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
Issued in March 2007 [Member] | Junior Subordinated Debt [Member] |  |
Note 11 - Junior Subordinate Debentures (Details) [Line Items] |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt | 3,609,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_JuniorSubordinatedDebtMember / us-gaap_SubordinatedBorrowingAxis = qcrh_IssuedInMarch2007Member |
Issued in March 2007 [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |
Note 11 - Junior Subordinate Debentures (Details) [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_SubordinatedBorrowingAxis = qcrh_IssuedInMarch2007Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |

X
- Details
Name: | qcrh_Note11JuniorSubordinateDebenturesDetailsLineItems
Namespace Prefix: | qcrh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=qcrh_IssuedInMarch2007Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubordinatedBorrowingAxis=qcrh_IssuedInSeptember2004Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |