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Securities - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) Securities	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Securities	Sep. 30, 2023 USD ($)	Dec. 31, 2023 Securities
Debt and Equity Securities, FV-NI [Line Items]
Allowance for credit loss | $	$ 0	$ 0	$ 0	$ 0
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | Securities	541		541		569
US Treasury Securities [Member] | AA or Better [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	100.00%		100.00%
US States and Political Subdivisions Debt Securities [Member] | A Rated [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	10.00%		10.00%
US States and Political Subdivisions Debt Securities [Member] | AA or Better [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	86.00%		86.00%
US States and Political Subdivisions Debt Securities [Member] | Unrated [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	4.00%		4.00%
Collateralized Mortgage-Backed Securities [Member] | AA [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	42.00%		42.00%
Collateralized Mortgage-Backed Securities [Member] | AAA [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	43.00%		43.00%
Collateralized Mortgage-Backed Securities [Member] | Unrated [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Percent	15.00%		15.00%

X

- Definition

Debt securities percent.

+ References

No definition available.

+ Details

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X

- Definition

Provision expense on securities.

+ References

No definition available.

+ Details

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X

- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479106/326-30-50-4

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X

- 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/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B

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