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Note 12 - Borrowings and Financing Activities - FHLB Advances (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Federal Home Loan Bank Advances |  |
Federal Home Loan Bank, Advances [Line Items] |  |
Advances from Federal Home Loan Banks | $ 176,483 | $ 134,875
Federal Home Loan Bank, Advances, Weighted Average Interest Rate | 1.12% |
Federal Home Loan Bank, Advances, Maturity Period, Fixed Rate | 90 days |
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member] | Minimum |  |
Federal Home Loan Bank, Advances [Line Items] |  |
Federal Home Loan Bank, Ratio of Market Value of Collateral to Advances | 1.03 |
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member] | Maximum |  |
Federal Home Loan Bank, Advances [Line Items] |  |
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 [Line Items] |  |
Investments serving as collateral for FHLB advances | $ 188,000 | $ 143,100

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- Definition The ratio of the market value of the collateralized eligible assets to the principal balance of the FHLB advances + References No definition available. + Details
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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 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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