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NOTE 8 - FAIR VALUE - Quantitative Information About Level Fair Value Measurements (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 USD ($) item | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) item | Sep. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Fair value | $ 8,427 |  | $ 8,427 |  | $ 19,785
Transfers of assets or liabilities between Levels 1, 2 and 3 | 0 | $ 0 | 0 | $ 0 |
Impaired Loans Leases [Member] |  |  |  |  |
Fair value | $ 3,839 |  | $ 3,839 |  | 9,657
Valuation technique | qcrh:ValuationTechniqueAppraisalOfCollateralMember |  | qcrh:ValuationTechniqueAppraisalOfCollateralMember |  |
Unobservable input | us-gaap:MeasurementInputAppraisedValueMember |  | us-gaap:MeasurementInputAppraisedValueMember |  |
Impaired Loans Leases [Member] | Minimum |  |  |  |  |
Impaired loans/leases, measurement input | item | (10.00) |  | (10.00) |  |
Impaired Loans Leases [Member] | Maximum |  |  |  |  |
Impaired loans/leases, measurement input | item | (30.00) |  | (30.00) |  |
Other Real Estate Owned [Member] |  |  |  |  |
Fair value | $ 4,588 |  | $ 4,588 |  | 10,128
Valuation technique, OREO | qcrh:ValuationTechniqueAppraisalOfCollateralMember |  | qcrh:ValuationTechniqueAppraisalOfCollateralMember |  |
Unobservable input, OREO | us-gaap:MeasurementInputAppraisedValueMember |  | us-gaap:MeasurementInputAppraisedValueMember |  |
Other Real Estate Owned [Member] | Minimum |  |  |  |  |
OREO, measurement input | item | 0.00 |  | 0.00 |  |
Other Real Estate Owned [Member] | Maximum |  |  |  |  |
OREO, measurement input | item | (35.00) |  | (35.00) |  |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair value | $ 8,427 |  | $ 8,427 |  | 19,785
Fair Value, Inputs, Level 3 [Member] | Impaired Loans Leases [Member] |  |  |  |  |
Fair value | 3,839 |  | 3,839 |  | 9,657
Fair Value, Inputs, Level 3 [Member] | Other Real Estate Owned [Member] |  |  |  |  |
Fair value | $ 4,588 |  | $ 4,588 |  | $ 10,128

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- Definition Indicates measurement input for alternative investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14210-108612 + Details
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