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v3.3.1.900

Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Jun. 30, 2015 | Dec. 31, 2015 | Dec. 31, 2014
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  | $ 103,500,000 |  |
Gains (Losses) on Extinguishment of Debt |  |  | $ 209,416 | (6,900,000) |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  | 3.10% |
Debt Instrument, Interest Rate, Effective Percentage |  |  | 2.60% |  | 2.60% | 2.50%
Repayments of Other Debt |  |  |  |  | $ 34,559,000 |
Repayments of Federal Home Loan Bank Borrowings |  |  | $ 3,000,000 | 75,500,000 | 84,401,601 | $ 0
Subsequent Event [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Repayments of Federal Home Loan Bank Borrowings | $ 10,000,000 |  |  |  |  |
Wholesale Repurchase Agreements [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Gains (Losses) on Extinguishment of Debt |  |  | $ 382,000 | (1,202,000) |  |
Repayments of Other Debt |  |  |  | $ 10,000,000 | $ 5,000,000 |
Wholesale Repurchase Agreements [Member] | Subsequent Event [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Repayments of Other Debt | $ 10,000,000 |  |  |  |  |
Weighted Average [Member] | Subsequent Event [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End | 3.92% |  |  |  |  |
Junior Subordinated Debt [Member] | Subsequent Event [Member] | Note Payable to QCR Holdings Capital Trust IV [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount | $ 5,100,000 |  |  |  |  |
Gains (Losses) on Extinguishment of Debt | $ 1,200,000 |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 2.42% |  |  |  |  |
Junior Subordinated Debt [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  | 2.85% |
Junior Subordinated Debt [Member] | London Interbank Offered Rate (LIBOR) [Member] | Subsequent Event [Member] | Note Payable to QCR Holdings Capital Trust IV [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.80% |  |  |  |  |
FHLB Advances and Wholesale Repurchase Agreements [Member] | Subsequent Event [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Gains (Losses) on Extinguishment of Debt |  | $ (1,300,000) |  |  |  |
FHLB Advances and Wholesale Repurchase Agreements [Member] | Weighted Average [Member] | Subsequent Event [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Debt Instrument, Term |  | 2 years 62 days |  |  |  |
Wholesale Repurchase Agreements [Member] | Subsequent Event [Member] |  |  |  |  |  |
Note 25 - Subsequent Event - Junior Subordinated Debentures Retirement and Balance Sheet Restructuring (Details) [Line Items] |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Two |  | $ 10,000,000 |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Three |  | $ 10.0 |  |  |  |
Short-term Debt, Weighted Average Interest Rate |  | 0.50% |  |  |  |

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