XML 76 R60.htm IDEA: XBRL DOCUMENT
v3.19.1

Note 2 - Mergers and Acquisitions - FHLB Advances (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Jul. 01, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Common stock, issued (in shares) | 15,718,208 |  | 13,918,168
Common stock, outstanding (in shares) | 15,718,208 |  | 13,918,168
Springfield Bancshares |  |  |
Business Acquisition [Line Items] |  |  |
Overnight FHLB advances assumed |  | $ 40.0 |
FHLB term advances assumed |  | 34.5 |
Subordinated debentures |  | 4.7 |
Bank stock loan |  | 4.8 |
Fair value of FHLB and other borrowings assumed |  | $ 84.1 |

X
- Definition The amount of bank stock loan recognized as of the acquisition date. + References No definition available. + Details
Name: | qcrh_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankStockLoan
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of FHLB and other borrowings assumed which have been recognized as of the acquisition date. + References No definition available. + Details
Name: | qcrh_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFhlbAndOtherBorrowings
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of FHLB term advances assumed which has been recognized as of the acquisition date. + References No definition available. + Details
Name: | qcrh_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFhlbTermAdvances
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of overnight FHLB advances assumed which have been recognized as of the acquisition date. + References No definition available. + Details
Name: | qcrh_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOvernightFhlbAdvances
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of subordinated debentures acquired in business combination. + References No definition available. + Details
Name: | qcrh_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSubordinatedDebentures
Namespace Prefix: | qcrh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=qcrh_SpringfieldBancsharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |