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Allowance for Credit Losses - Loans - Additional information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision (Recovery)	$ (35,000)	$ 218,000	$ (145,000)	$ 553,000
Net favorable shift				698,000
Allowance for loan credit losses			$ 2,100,000
Percent increase in allowance for credit loss			17.10%
Net loan charge-offs			$ 488,000	$ 187,000
Percentage of charge-offs			0.06%	0.03%
Percentage of coverage on non-performing assets	147.00%		147.00%		122.00%
Percentage Of Allowance For Total Loans	1.39%		1.39%		1.45%
Percentage of general reserve	47.00%
Percentage of quantitative reserve	53.00%
Evaluated for impairment	$ 150,000		$ 150,000
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	2,000,000		2,000,000
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	250,000		250,000
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	250,000		250,000
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	100,000		100,000
Commercial | Commercial loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum aggregate balances for commercial loan relationship under structure loan rating process.	1,000,000		$ 1,000,000
Minimum percent of portfolio to be reviewed			37.00%
Non-performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-performing assets	$ 11,669,000		$ 11,669,000		$ 12,393,000
Non-performing assets as a percent of loans	1.12%		1.12%

X

- Definition

The percentage of after recoveries, of loans and leases that have been written-off.

+ References

No definition available.

+ Details

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- Definition

The amount of financing receivable excluding accrued interest relating non-performing assets.

+ References

No definition available.

+ Details

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- Definition

Financing Receivable, Minimum Percent Required To Be Reviewed.

+ References

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- Definition

Threshold amount for evaluation of impairment of financing receivable.

+ References

No definition available.

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- Definition

Financing Receivable, Threshold Balance Which Requires Quarterly Reviews.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in allowance for credit loss on financing receivable, excluding accrued interest.

+ References

No definition available.

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- Definition

Amount of minimum aggregate balances for commercial loan relationship under structure loan rating process.

+ References

No definition available.

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X

- Definition

The amount of net favorable shift.

+ References

No definition available.

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X

- Definition

The percentage of increase in financing receivable allowance for credit loss.

+ References

No definition available.

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- Definition

Percentage of general reserve represented by qualitative adjustment.

+ References

No definition available.

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- Definition

Percentage of general reserve represented by quantitative adjustment.

+ References

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- Definition

Percentage of allowance for credit loss to nonaccrual financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

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- Definition

Percentage of allowance for credit loss to total financing receivable outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (1)
-Publisher SEC

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Reflects the percentage derived from dividing impaired loans on which interest has ceased to be accrued by total loans.

+ References

No definition available.

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