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Note 11 - Credit Agreements (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2021 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Dec. 31, 2022
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available as Percentage of Statutory Admitted Assets |  | 10.00% |  | 10.00% |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances |  | $ 52,600 |  | $ 52,600 | $ 36,400
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate |  | 5.69% |  | 5.69% | 4.65%
Interest Expense, Loans from Other Federal Home Loan Banks |  | $ 800 | $ 200 | $ 2,100 |
Revolving Credit Facility [Member] |  |  |  |  |
Line of Credit, Prepayment Premium | $ 0 |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% |  |  |  |
Line of Credit Facility, Maximum Amount Outstanding During Period |  |  |  | $ 0 |
Revolving Credit Facility [Member] | Secured Overnight Financing Rate [Member] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |  |  |
Revolving Credit Facility [Member] | Alternate Base Rate [Member] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.75% |  |  |  |
Revolving Credit Facility [Member] | U.S. Bank Credit Agreement [Member] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 100,000 |  |  |  |

X
- Definition Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB) as percentage of statutory admitted assets, + References No definition available. + Details
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X
- Definition The amount of prepayment premium in a line of credit facility. + References No definition available. + Details
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X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Amount of advances from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480876/942-470-45-1 + Details
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X
- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480876/942-470-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480848/942-470-50-3 + Details
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- Definition Amount of interest expense on loans received from another Federal Home Loan Bank (FHLB). + References No definition available. + Details
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X
- Definition Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Details
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- Details
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- Details
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