Note 21- Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Total, estimated fair value	$ 37,157,000	$ 37,591,000
Equity investments, at fair value (cost of $187 and $187, respectively)	1,228,000	153,000
Limited liability investments, at fair value	8,291,000	13,863,000
Subordinated debt, at fair value	11,808,000	67,811,000
Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options		19,000,000.0
Fair Value, Inputs, Level 3 [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options		19,034
Fair Value, Recurring [Member]
Total, estimated fair value	37,157,000	37,591,000
Equity investments, at fair value (cost of $187 and $187, respectively)	1,228,000	153,000
Limited liability investments, at fair value	11,733,000	17,059,000
Total assets	50,364,000	74,163,000
Subordinated debt, at fair value	11,808,000	67,811,000
Contingent consideration, at fair value	3,218,000	3,218,000
Total liabilities	15,026,000	71,029,000
Fair Value, Recurring [Member] \| Interest Rate Swap [Member]
Derivative - trust preferred debt repurchase options	246,000	326,000
Fair Value, Recurring [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options		19,034,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Total, estimated fair value	0	0
Equity investments, at fair value (cost of $187 and $187, respectively)	196,000	153,000
Limited liability investments, at fair value	0	0
Total assets	196,000	153,000
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	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Total, estimated fair value	37,157,000	37,591,000
Equity investments, at fair value (cost of $187 and $187, respectively)	1,032,000	0
Limited liability investments, at fair value	0	0
Total assets	38,435,000	37,917,000
Subordinated debt, at fair value	11,808,000	67,811,000
Contingent consideration, at fair value	0	0
Total liabilities	11,808,000	67,811,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Derivative - trust preferred debt repurchase options	246,000	326,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options		0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Total, estimated fair value	0	0
Equity investments, at fair value (cost of $187 and $187, respectively)	0	0
Limited liability investments, at fair value	3,442,000	3,196,000
Total assets	3,442,000	22,230,000
Subordinated debt, at fair value	0	0
Contingent consideration, at fair value	3,218,000	3,218,000
Total liabilities	3,218,000	3,218,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Swap [Member]
Derivative - trust preferred debt repurchase options	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options		19,034,000
Fair Value, Recurring [Member] \| Fair Value Measured at Net Asset Value Per Share [Member]
Total, estimated fair value	0	0
Equity investments, at fair value (cost of $187 and $187, respectively)	0	0
Limited liability investments, at fair value	8,291,000	13,863,000
Total assets	8,291,000	13,863,000
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	0
Fair Value, Recurring [Member] \| Fair Value Measured at Net Asset Value Per Share [Member] \| Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative - trust preferred debt repurchase options		0
US Government Agencies Debt Securities [Member]
Total, estimated fair value	14,516,000	15,080,000
US Government Agencies Debt Securities [Member] \| Fair Value, Recurring [Member]
Total, estimated fair value	14,516,000	15,080,000
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	14,516,000	15,080,000
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	3,120,000	2,232,000
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Recurring [Member]
Total, estimated fair value	3,120,000	2,232,000
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	3,120,000	2,232,000
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	7,986,000	8,412,000
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] \| Fair Value, Recurring [Member]
Total, estimated fair value	7,986,000	8,412,000
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	7,986,000	8,412,000
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	1,388,000	1,610,000
Asset-Backed Securities [Member] \| Fair Value, Recurring [Member]
Total, estimated fair value	1,388,000	1,610,000
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	1,388,000	1,610,000
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	10,147,000	10,257,000
Corporate Debt Securities [Member] \| Fair Value, Recurring [Member]
Total, estimated fair value	10,147,000	10,257,000
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	10,147,000	10,257,000
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 $187 and $187, respectively)	196,000	153,000
Common Stock [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	196,000	153,000
Common Stock [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	0	0
Common Stock [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	0	0
Common Stock [Member] \| Fair Value, Recurring [Member] \| Fair Value Measured at Net Asset Value Per Share [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	0	$ 0
Warrant [Member] \| Fair Value, Recurring [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	1,032,000
Warrant [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	0
Warrant [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	1,032,000
Warrant [Member] \| Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	0
Warrant [Member] \| Fair Value, Recurring [Member] \| Fair Value Measured at Net Asset Value Per Share [Member]
Equity investments, at fair value (cost of $187 and $187, respectively)	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

+ References

No definition available.

+ Details

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- Details

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- Details

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