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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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End date of debt instrument redemption period, in YYYY-MM-DD format.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Borrowings (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Borrowings (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023	Dec. 31, 2023	Mar. 31, 2022
Debt Instrument [Line Items]
Fixed floating rate	4.50%
fixed rate end date		Apr. 01, 2027
Debt issuance costs	$ 673
Debt balance	30,000
Federal Home Loan Bank, Advance	10,000		$ 20,000
Unamortized debt issuance cost	539
Federal Home Loan Bank of Atlanta
Debt Instrument [Line Items]
Federal Home Loan Bank, Advance	155,000
Federal Home Loan Bank Advances
Debt Instrument [Line Items]
FHLB irrevocable letter of credit	115,600
Federal Home Loan Bank, Advance			20,000
Short-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Federal Home Loan Bank, Advance	$ 10,000
Long-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Federal home loan bank, weighted average interest rate	4.65%
Federal Home Loan Bank, Advance	$ 145,000		$ 145,000
Minimum [Member] \| Long-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Interest Rate	4.43%
Maximum [Member] \| Long-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, Interest Rate	4.83%
SOFR
Debt Instrument [Line Items]
Redemption interest rate	2.35%
Debt, redemption date	Apr. 01, 2027
Subordinated Notes due April 1, 2032
Debt Instrument [Line Items]
Aggregate principal amount				$ 30,000
Fixed floating rate				4.50%
Due in 2024 \| Long-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Debt, maturity date	Sep. 30, 2024
Debt balance	$ 50,000
Due in 2025 \| Long-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Debt, maturity date	Sep. 30, 2025
Debt balance	$ 55,000
Due in 2026 \| Long-Term Debt [Member] \| Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Debt, maturity date	Sep. 30, 2026
Debt balance	$ 40,000