FAIR VALUE MEASUREMENTS - FV of Financial instruments., nonrecurring (Details) - Fair Value Measurements, Nonrecurring - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member]
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	$ 10,537	$ 9,441
Interest-bearing deposits in other banks	2,100	1,297
Restricted investment in bank stocks	7,017	7,136
Net loans	834,222	810,104
Mortgage servicing rights	276	319
Accrued interest receivable	4,615	4,391
Derivative Assets	228
FINANCIAL LIABILITIES: (Fair Value)
Demand, savings and other deposits	742,563	827,399
Time deposits	245,793	160,472
Short-term borrowings	154,914	153,209
Long-term borrowings	21,421	24,090
Subordinated debentures	22,859	22,365
Accrued interest payable	1,660	563
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	10,537	9,441
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2
FINANCIAL ASSETS: (Fair Value)
Interest-bearing deposits in other banks	2,100	1,297
Restricted investment in bank stocks	7,017	7,136
Accrued interest receivable	4,615	4,391
Derivative Assets	228
FINANCIAL LIABILITIES: (Fair Value)
Demand, savings and other deposits	742,563	827,399
Time deposits	245,793	160,472
Short-term borrowings	154,914	153,209
Long-term borrowings	21,421	24,090
Subordinated debentures	22,859	22,365
Accrued interest payable	1,660	563
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3
FINANCIAL ASSETS: (Fair Value)
Net loans	834,222	810,104
Mortgage servicing rights	276	319
Reported Value Measurement [Member]
FINANCIAL ASSETS: (Fair Value)
Cash and due from banks	10,537	9,441
Interest-bearing deposits in other banks	2,100	1,297
Restricted investment in bank stocks	7,017	7,136
Net loans	874,221	850,195
Mortgage servicing rights	276	319
Accrued interest receivable	4,615	4,391
Derivative Assets	228
FINANCIAL LIABILITIES: (Fair Value)
Demand, savings and other deposits	742,563	827,399
Time deposits	249,740	166,100
Short-term borrowings	154,776	153,418
Long-term borrowings	22,000	25,000
Subordinated debentures	25,000	25,000
Accrued interest payable	$ 1,660	$ 563

Fair value portion of accrued interest payable.

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- References

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- Definition

Fair value of interest-bearing deposits in other financial institutions for relatively short periods of time.

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- Definition

Represents the Fair value of Restricted Investment in Correspondent Bank Stock.

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

+ References

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-Publisher FASB
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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI https://asc.fasb.org/subtopic&trid=2196772

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

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- Definition

Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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-Paragraph 1
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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

+ References

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