The amount of investment related to new market tax credits using proportional amortization method.

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The amount of amortization related to the new market tax credit investments.

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No definition available.

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Nonmarketable equity securities.

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Amount of investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method.

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Amount of amortization expense for investment that generates income tax credit and other income tax benefit under tax credit program accounted for using proportional amortization method.

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- Definition

Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Amount of investment in debt security measured at amortized cost (held-to-maturity) on nonaccrual status.

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Amount of restricted investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Note 2 - Investment Securities (Details Textual)	3 Months Ended
Note 2 - Investment Securities (Details Textual)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss	$ 0		$ 0
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	13,790,000		13,798,000
Debt Securities, Held-to-Maturity, Nonaccrual			0	$ 0
Debt Securities, Available-for-Sale, Restricted	400,000		400,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	6,106,000		1,857,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	43,030,000		46,218,000
Investment, Proportional Amortization Method, Elected, Amount	6,800,000		7,000,000
Non-Marketable Equity Securities	7,300,000		7,300,000
Investment Program, Proportional Amortization Method, Applied, Amortization Expense	200,000	$ 200,000
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0		0
Federal Reserve Bank [Member]
Equity Securities, FV-NI, Restricted	5,200,000		5,200,000
Federal Home Loan Bank of Atlanta [Member]
Equity Securities, FV-NI, Restricted	1,500,000		1,600,000
Community Bankers Bank Stock [Member]
Equity Securities, FV-NI, Restricted	126,800		124,000
Nontaxable Municipal Bonds [Member]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 13,790,000		13,798,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions	10
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 4,459,000		0
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	19
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 12,260,000		14,796,000
Subordinated Debt [Member]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 13,790,000		13,798,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions	3
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,647,000		1,857,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	18
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 7,117,000		7,347,000
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	21
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 15,400,000
Municipal Bonds [Member]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	10
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 7,700,000
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0		0
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	5
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 573,000		579,000
Low Income Housing Tax Credits [Member]
Amortization Method Qualified New Market Tax Credit Investments	10,100,000		10,700,000
Amortization Method Qualified New Market Tax Credit Investments Amortization	600,000	$ 500,000
Financial Asset, Equal to or Greater than 30 Days Past Due [Member]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 0		$ 0