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Note 11 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Advances from Federal Home Loan Banks, Total | $ 75,000 | $ 150,000
Junior Subordinated Notes, Noncurrent |  | $ 119,100
Junior Subordinated Debt [Member] |  |
Junior Subordinated Notes, Noncurrent | $ 119,100 |
Debt Instrument, Interest Rate, Effective Percentage | 2.36% | 2.40%
Debt Instrument, Term (Year) | 30 years |
Mature in May 2021 [Member] |  |
Advances from Federal Home Loan Banks, Total | $ 5,000 |
Mature in June 2021 [Member] |  |
Advances from Federal Home Loan Banks, Total | 50,000 |
Mature in May 2023 [Member] |  |
Advances from Federal Home Loan Banks, Total | 20,000 |
Over-night Borrowings [Member] |  |
Advances from Federal Home Loan Banks, Total | 0 | $ 0
Non Overnight Borrowings [Member] |  |
Advances from Federal Home Loan Banks, Total | $ 75,000 | $ 150,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate | 2.26% | 2.15%

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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 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 http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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