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Note 8 - Long-term Debt (Details Textual) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Long-term Federal Home Loan Bank Advances, Total	$ 10.0	$ 10.0
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	23.2	26.0
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	$ 167.6	$ 159.3

X

- Definition

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22 (b))
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-Section 45
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X

- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

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-Publisher FASB
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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

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