Disclosures about Fair Value Measurements and Financial Instruments - Schedule of assets measured and recorded at fair value on a non-recurring basis (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Disclosures about Fair Value Measurements and Financial Instruments
Individually evaluated loans with carrying value	$ 2,800,000	$ 1,600,000
Specific valuation allowance	1,000	3,000
Individually evaluated loans	2,800,000	1,600,000
Fair Value Measurements, Nonrecurring Basis
Disclosures about Fair Value Measurements and Financial Instruments
Individually evaluated loans	2,792,000
Impaired loans		1,583,000
Other real estate owned and repossessed assets		39,000
Fair Value Measurements, Nonrecurring Basis \| Level 3
Disclosures about Fair Value Measurements and Financial Instruments
Individually evaluated loans	$ 2,792,000
Impaired loans		1,583,000
Other real estate owned and repossessed assets		39,000
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Impaired loans		1,583,000
Other real estate owned and repossessed assets		$ 39,000
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Other real estate owned
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments		52.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Minimum \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments		0.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Minimum \| Individually evaluated loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments	0.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Minimum \| Other real estate owned
Disclosures about Fair Value Measurements and Financial Instruments
Liquidation expenses		10.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Maximum \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments		100.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Maximum \| Individually evaluated loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments	100.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Maximum \| Other real estate owned
Disclosures about Fair Value Measurements and Financial Instruments
Liquidation expenses		39.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Wgtd Ave \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments		0.20%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Wgtd Ave \| Individually evaluated loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments	0.03%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Wgtd Ave \| Other real estate owned
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments		52.00%
Liquidation expenses		11.00%

Fair value appraisal of adjustments.

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Fair value liquidation expenses.

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- Definition

Amount of individually evaluated loans for credit losses.

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Amount of individually evaluated loans related allowance.

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Amount of individually evaluated loans with carrying value.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-10

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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