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Note 11 - Borrowings and Financing Activities FHLB Advances (Details) | 9 Months Ended
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Sep. 30, 2019
Debt Disclosure [Abstract] |
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate | 90 days

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- References No definition available. + Details
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Period Type: | duration

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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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Period Type: | duration