Note 12 - Borrowings and Financing Activities - FHLB Advances (Details) $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
FHLB advances	$ 138,833	$ 176,483
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate	90 days
FHLB Advances
FHLB advances	$ 138,833	176,483
Federal Home Loan Bank, Advances, Weighted Average Interest Rate	1.23%
Minimum \| FHLB Advances
Federal Home Loan Bank, Ratio of Market Value of Collateral to Advances	1.03
Maximum \| FHLB Advances
Federal Home Loan Bank, Ratio of Market Value of Collateral to Advances	1.11
Fixed-maturities available for sale \| Debt securities
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 153,800	$ 188,000

The ratio of the market value of the collateralized eligible assets to the principal balance of the FHLB advances

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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

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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

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-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

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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

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- Definition

Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

+ References

No definition available.

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