Note 23 - Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 |
Total, estimated fair value | $ 36,473 | $ 37,591 |
Limited liability investments, at fair value | 0 | 13,863 |
Subordinated debt, at fair value | 13,594 | 67,811 |
Equity investments, at fair value (cost of $73 and $187, respectively) | 79 | 153 |
Fair Value, Recurring [Member] | | |
Total, estimated fair value | 36,473 | 37,591 |
Limited liability investments, at fair value | 3,496 | 17,059 |
Total assets | 40,018 | 74,010 |
Subordinated debt, at fair value | 13,594 | 67,811 |
Contingent consideration, at fair value | 3,105 | 3,218 |
Total liabilities | 16,699 | 71,029 |
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | | |
Derivative - trust preferred debt repurchase options | 49 | |
Derivative contract - interest rate swap | | 326 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Total, estimated fair value | 0 | 0 |
Limited liability investments, at fair value | 0 | 0 |
Total assets | 0 | 0 |
Subordinated debt, at fair value | 0 | 0 |
Contingent consideration, at fair value | 0 | 0 |
Total liabilities | 0 | 0 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] | | |
Derivative - trust preferred debt repurchase options | 0 | |
Derivative contract - interest rate swap | | 0 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Total, estimated fair value | 36,473 | 37,591 |
Limited liability investments, at fair value | 0 | 0 |
Total assets | 36,522 | 37,917 |
Subordinated debt, at fair value | 13,594 | 67,811 |
Contingent consideration, at fair value | 0 | 0 |
Total liabilities | 13,594 | 67,811 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] | | |
Derivative - trust preferred debt repurchase options | 49 | |
Derivative contract - interest rate swap | | 326 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Total, estimated fair value | 0 | 0 |
Limited liability investments, at fair value | 3,496 | 3,196 |
Total assets | 3,496 | 22,230 |
Subordinated debt, at fair value | 0 | 0 |
Contingent consideration, at fair value | 3,105 | 3,218 |
Total liabilities | 3,105 | 3,218 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] | | |
Derivative - trust preferred debt repurchase options | 0 | |
Derivative contract - interest rate swap | | 0 |
Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Total, estimated fair value | 0 | 0 |
Limited liability investments, at fair value | 0 | 13,863 |
Total assets | 0 | 13,863 |
Subordinated debt, at fair value | 0 | 0 |
Contingent consideration, at fair value | 0 | 0 |
Total liabilities | 0 | 0 |
Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | Interest Rate Swap [Member] | | |
Derivative - trust preferred debt repurchase options | 0 | |
Derivative contract - interest rate swap | | 0 |
US Government Agencies Debt Securities [Member] | | |
Total, estimated fair value | 12,997 | 15,080 |
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | | |
Total, estimated fair value | 12,997 | 15,080 |
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Total, estimated fair value | 0 | 0 |
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Total, estimated fair value | 12,997 | 15,080 |
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Total, estimated fair value | 0 | 0 |
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Total, estimated fair value | 0 | 0 |
US States and Political Subdivisions Debt Securities [Member] | | |
Total, estimated fair value | 2,783 | 2,232 |
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | | |
Total, estimated fair value | 2,783 | 2,232 |
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Total, estimated fair value | 0 | 0 |
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Total, estimated fair value | 2,783 | 2,232 |
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Total, estimated fair value | 0 | 0 |
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Total, estimated fair value | 0 | 0 |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | | |
Total, estimated fair value | 9,253 | 8,412 |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Recurring [Member] | | |
Total, estimated fair value | 9,253 | 8,412 |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Total, estimated fair value | 0 | 0 |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Total, estimated fair value | 9,253 | 8,412 |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Total, estimated fair value | 0 | 0 |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Total, estimated fair value | 0 | 0 |
Asset-Backed Securities [Member] | | |
Total, estimated fair value | 1,210 | 1,610 |
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | | |
Total, estimated fair value | 1,210 | 1,610 |
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Total, estimated fair value | 0 | 0 |
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Total, estimated fair value | 1,210 | 1,610 |
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Total, estimated fair value | 0 | 0 |
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Total, estimated fair value | 0 | 0 |
Corporate Debt Securities [Member] | | |
Total, estimated fair value | 10,230 | 10,257 |
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | | |
Total, estimated fair value | 10,230 | 10,257 |
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Total, estimated fair value | 0 | 0 |
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Total, estimated fair value | 10,230 | 10,257 |
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Total, estimated fair value | 0 | 0 |
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Total, estimated fair value | $ 0 | 0 |
Common Stock [Member] | Fair Value, Recurring [Member] | | |
Equity investments, at fair value (cost of $73 and $187, respectively) | | 19,034 |
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Equity investments, at fair value (cost of $73 and $187, respectively) | | 0 |
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Equity investments, at fair value (cost of $73 and $187, respectively) | | 0 |
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Equity investments, at fair value (cost of $73 and $187, respectively) | | 19,034 |
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member] | | |
Equity investments, at fair value (cost of $73 and $187, respectively) | | $ 0 |