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Loans and Allowance for Credit Losses on Loans HFI - Financial Effects of Loan Modifications (Details)	3 Months Ended
	Mar. 31, 2024
Construction | Payment deferral and term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted average of loans (in years)	6 months
Construction | Term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted average of loans (in years)	3 months
Commercial real estate | Payment deferral and term extension | Non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted average of loans (in years)	6 months
Commercial real estate | Term extension | Non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted average of loans (in years)	0 months
Consumer and other | Payment deferral and term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted average of loans (in years)	42 months
Consumer and other | Term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted average of loans (in years)	0 months

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 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
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-Section 50
-Paragraph 42
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

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

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-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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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

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