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Note 10 - Subordinated Debentures (Details Textual) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 01, 2018 | Jan. 31, 2020 USD ($) shares | Oct. 31, 2018 USD ($) shares | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2016 USD ($)
Subordinated Debt |  |  |  | $ 14,700,000 | $ 14,900,000 |  |
Debt Instrument, Face Amount |  |  |  | 120,000,000 | 175,000,000 |  |
Interest Expense, Debt |  |  |  | 7,916,000 | 8,199,000 |  |
Subordinated Debt [Member] |  |  |  |  |  |  |
Interest Expense, Debt |  |  |  | 1,300,000 | 650,000 | $ 377,000 |
Debt Amortization Expense |  |  |  | 218,000 | 218,000 | $ 218,000 |
TFC Statutory Trust [Member] |  |  |  |  |  |  |
Number of Trust Capital Securities |  |  |  |  |  |  | 5,000
Trust Capital Securities, Liquidation Amount |  |  |  |  |  |  | $ 5,000,000
Common Securities Liquidation Preference Value |  |  |  |  |  |  | 155,000
TFC Statutory Trust [Member] | Other Assets [Member] |  |  |  |  |  |  |
Common Stock Held in Trust |  |  |  |  |  |  | 155,000
TFC Statutory Trust [Member] | Subordinated Debt [Member] |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | 5,000,000 |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount |  |  |  | $ 1,200,000 | $ 1,300,000 |  | $ 1,900,000
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 7.30% | 6.42% |  |
TFC Statutory Trust [Member] | Subordinated Debt [Member] | Tenor Spread Adjustment [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.26% |  |  |
TFC Statutory Trust [Member] | Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 1.65% |  |  |
TFC Statutory Trust [Member] | Subordinated Debt [Member] | London Interbank Offered Rate [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  | 1.65% |  |
First American International Statutory Trust I 1[Member] |  |  |  |  |  |  |
Common Unit, Issued (in shares) | shares |  |  | 7,000 |  |  |  |
Floating Rate Maturity Period (Year) |  |  | 30 years |  |  |  |
Common Unit Liquidation Preference Value |  |  | $ 7,000,000 |  |  |  |
First American International Statutory Trust I 1[Member] | Other Assets [Member] |  |  |  |  |  |  |
Common Stock Held in Trust |  |  | 217,000 |  |  |  |
First American International Statutory Trust I 1[Member] | Subordinated Debt [Member] |  |  |  |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount |  |  | $ 1,200,000 | $ 842,000 | $ 918,000 |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 7.90% | 7.02% |  |
First American International Statutory Trust I 1[Member] | Subordinated Debt [Member] | Tenor Spread Adjustment [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.26% |  |  |  |  |  |
First American International Statutory Trust I 1[Member] | Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 1.65% | 2.25% |  |
PGB Holdings Inc And Banking Subsidiary Pacific Global Bank [Member] |  |  |  |  |  |  |
Common Securities Liquidation Preference Value |  | $ 155,000 |  |  |  |  |
Common Unit, Issued (in shares) | shares |  | 5,000 |  |  |  |  |
Common Unit Liquidation Preference Value |  | $ 5,000,000 |  |  |  |  |
PGB Holdings Inc And Banking Subsidiary Pacific Global Bank [Member] | Other Assets [Member] |  |  |  |  |  |  |
Common Stock Held in Trust |  | 155,000 |  |  |  |  |
PGB Holdings Inc And Banking Subsidiary Pacific Global Bank [Member] | Subordinated Debt [Member] |  |  |  |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount |  | $ 763,000 |  | $ 559,000 | $ 610,000 |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 7.75% | 6.87% |  |
PGB Holdings Inc And Banking Subsidiary Pacific Global Bank [Member] | Subordinated Debt [Member] | Tenor Spread Adjustment [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.26% |  |  |  |  |
PGB Holdings Inc And Banking Subsidiary Pacific Global Bank [Member] | Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.65% |  |  | 2.10% |  |

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