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Borrowed Funds - Subordinated Debt (Details) - USD ($) $ in Thousands	1 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2021	Nov. 30, 2020	Sep. 30, 2023	Dec. 31, 2022	Mar. 31, 2007
Subordinated Debt
Balance at end of period			$ 73,478	$ 73,286
Subordinated Debt
Subordinated Debt
Balance at end of period			73,478	73,286
Average balance during the period			73,383	73,159
Maximum month-end balance			$ 73,478	$ 73,286
Weighted-average rate during the period			4.39%	4.20%
Weighted-average rate at end of period			4.01%	3.97%
Face amount of debt issued	$ 30,000	$ 40,000
Term of debt instrument	10 years	10 years
Interest rate on debt security	3.25%	4.25%
Subordinated Debt | SOFR
Subordinated Debt
Variable rate basis spread	2.54%	4.01%
Subordinated Debt | Subordinated Debentures
Subordinated Debt
Face amount of debt issued					$ 4,000
Subordinated Debt | Subordinated Debentures | SOFR
Subordinated Debt
Variable rate basis spread			0.26%

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- Definition

For the form of subordinated debt having, average borrowings during the period.

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- Definition

For the form of subordinated debt , maximum month-end borrowings during the period.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The average effective interest rate during the reporting period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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