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Note 13 - Junior Subordinated Debentures (Details) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2022 USD ($) loan | Dec. 31, 2021 USD ($) | Oct. 01, 2017 USD ($) loan | May 13, 2013 USD ($) loan | Feb. 29, 2004 USD ($)
Debt Instrument, Face Amount | $ 50,520,000 | $ 40,210,000 |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.29% | 2.43% |  |  |
Junior Subordinated Debt [Member] |  |  |  |  |
Repayment period (in years) | 30 years |  |  |  |
Note Payable to QCR Holdings Capital Trust II [Member] |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 12,372,000
Community National |  |  |  |  |
Number of assumed junior subordinated debentures | loan |  |  |  | 2 |
Other borrowings |  |  |  | $ 4,200,000 |
Guaranty Bank and Trust Company |  |  |  |  |
Number of assumed junior subordinated debentures | loan |  |  | 1 |  |
Other borrowings |  |  | $ 3,900,000 |  |
Guaranty Federal Bancshares, Inc |  |  |  |  |
Number of assumed junior subordinated debentures | loan | 1 |  |  |  |
Other borrowings | $ 10,300,000 |  |  |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
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