XML 74 R63.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 5 - DERIVATIVES AND HEDGING ACTIVITIES - Hedged Interest Rate Swaps and Non-hedged Interest Rate Swaps (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Derivative [Line Items] |  |
Swapped loan portfolio loan-to-value percentage, including the potential swap exposure | 65.00% |
Interest rate swaps |  |
Derivative [Line Items] |  |
Interest rate swaps collateralized by investment securities | $ 229,834 | $ 214,892
Interest rate swaps | Cash |  |
Derivative [Line Items] |  |
Interest rate swaps collateralized by investment securities | 51,511 | 39,431
Interest rate swaps | U.S. govt. sponsored agency securities |  |
Derivative [Line Items] |  |
Interest rate swaps collateralized by investment securities | 11,188 | 6,222
Interest rate swaps | Municipal securities |  |
Derivative [Line Items] |  |
Interest rate swaps collateralized by investment securities | 143,057 | 151,107
Interest rate swaps | Residential mortgage-backed and related securities |  |
Derivative [Line Items] |  |
Interest rate swaps collateralized by investment securities | $ 24,078 | $ 18,132

X
- Definition Carrying value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are reported at carrying value and pledged to counterparties as collateral for financing transactions. + References No definition available. + Details
Name: | qcrh_SecurityOwnedAndPledgedAsCollateralCarryAmount
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For the Entity's swapped loan portfolio, this represents the maximum loan-to-value, including the potential swap exposure, percentage. + References No definition available. + Details
Name: | qcrh_SwappedLoanPortfolioLoanToValuePercentage
Namespace Prefix: | qcrh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |