Loans and Allowance for Credit Losses - Loans - Troubled Debt Restructurings (Details) $ in Thousands	9 Months Ended
Sep. 30, 2023 USD ($)
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 381
% of Total Class of Financing Receivable	0.01%
Interest Only
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 51
Term Extension
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	150
Combination: Interest Only and Term Extension
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	180
Commercial portfolio \| Commercial real estate
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 231
% of Total Class of Financing Receivable	0.01%
Commercial portfolio \| Commercial real estate \| Interest Only
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 51
Commercial portfolio \| Commercial real estate \| Term Extension
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	0
Commercial portfolio \| Commercial real estate \| Combination: Interest Only and Term Extension
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	180
Commercial portfolio \| Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 150
% of Total Class of Financing Receivable	0.02%
Commercial portfolio \| Commercial and industrial \| Interest Only
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 0
Commercial portfolio \| Commercial and industrial \| Term Extension
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	150
Commercial portfolio \| Commercial and industrial \| Combination: Interest Only and Term Extension
Financing Receivable, Modifications [Line Items]
Financing receivable, excluding accrued interest, modified period	$ 0

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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- Definition

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+ References

+ Details

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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/2003/role/disclosureRef
-Topic 310
-SubTopic 10
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-Section 50
-Paragraph 42
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Name Accounting Standards Codification
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-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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