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Note 10 - FHLB Advances (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
FHLB short term advances | $ 190.2 | $ 165.4
FHLB stock | $ 15.7 | $ 11.7
Minimum |  |
FHLB advances maturity period | 1 day | 1 day
Minimum | Loans Receivable [Member] |  |
FHLB collateral maintenance levels | 125.00% |
Maximum |  |
FHLB advances maturity period | 1 month | 1 month
Maximum | Loans Receivable [Member] |  |
FHLB collateral maintenance levels | 333.00% |
Collateral, Loans [Member] |  |
FHLB advance | $ 1,300.0 | $ 850.1
Collateral, Securities [Member] |  |
FHLB advance | $ 26.9 | $ 6.7

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- Definition Amount of short-term 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 No definition available. + Details
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- Definition Represents FHLB collateral maintenance levels. + References No definition available. + Details
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- Definition Amount of the collateral pledged in support of federal home loan bank advances outstanding. + 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 (d) -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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- Definition Maturity period on fixed rate advances made and reported by Federal Home Loan Bank (FHLBank), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75031641&loc=d3e63345-112809 + Details
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- Details
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