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v3.23.1

Note 6 - Investments (Details Textual) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($)
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 196 |  | 208
Long-Term Debt, Gross | $ 46,557 |  | $ 125,308
Private Company [Member] |  |  |
Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI, Total | 0 | $ 0 |
Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings | 0 | 0 |
Limited Liability Investments [Member] |  |  |
Equity Method Investments | 949 |  | 983
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments | 0 |  |
Net Lease [Member] |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 11,700 |  | 17,100
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount | 0 |  |
Net Lease [Member] | Notes Payable [Member] |  |  |
Long-Term Debt, Gross | 15,800 |  |
Private Company Investments [Member] |  |  |
Investment Owned, at Fair Value | 800 |  | $ 800
Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings | $ 0 | $ 0 |

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