FAIR VALUE DISCLOSURES - Financial assets and financial liabilities measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Financial Assets
Equity securities	$ 1,045
Debt securities available for sale	511,282	$ 425,046
Financial Liabilities
Transfers from level 1 and level 2	0
Transfers from level 2 and level 1	0
Transfers from level 1 and level 2	0	0
Transfers from level 2 and level 1	0
Transfers into level 3	0
Transfers out of level 3	0
U.S. Treasury securities
Financial Assets
Debt securities available for sale	107,259	11,797
State and municipal securities
Financial Assets
Debt securities available for sale	135,098	172,600
Callable debentures
Financial Assets
Debt securities available for sale	2,564	2,973
Collateralized mortgage obligations
Financial Assets
Debt securities available for sale	84,398	62,382
Mortgage-backed securities
Financial Assets
Debt securities available for sale	180,918	174,121
Equity securities
Financial Assets
Equity securities	1,045	1,173
Recurring basis
Financial Assets
Total financial assets	521,253	428,604
Financial Liabilities
Total financial liabilities	9,944	3,543
Level 1 Inputs \| Recurring basis
Financial Assets
Equity securities	1,045	1,173
Level 1 Inputs \| Recurring basis \| U.S. Treasury securities
Financial Assets
Debt securities available for sale	107,259	11,797
Level 2 Inputs \| Recurring basis
Financial Assets
Interest rate swaps assets	9,944	3,543
Financial Liabilities
Interest rate swaps liabilities	9,944	3,543
Level 2 Inputs \| Recurring basis \| State and municipal securities
Financial Assets
Debt securities available for sale	135,098	172,600
Level 2 Inputs \| Recurring basis \| Callable debentures
Financial Assets
Debt securities available for sale	2,564	2,973
Level 2 Inputs \| Recurring basis \| Collateralized mortgage obligations
Financial Assets
Debt securities available for sale	84,398	62,382
Level 2 Inputs \| Recurring basis \| Mortgage-backed securities
Financial Assets
Debt securities available for sale	180,918	174,121
Level 3 Inputs \| Recurring basis
Financial Assets
Credit risk participation agreement	$ 27	$ 15

Fair value portion of assets related to investment contracts .

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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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Amount excluding accrued interest, of 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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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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

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Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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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.

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