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Loans and Allowance for Credit Losses on Loans - Allocation of the Allowance for Credit Losses on Loans Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance increase	$ 5.5
Specific allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance increase	6.7
Commercial non-owner occupied | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance, current	16.7
Commercial non-owner occupied | Commercial and industrial | Specific allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance increase	$ 5.2

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

+ 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
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: 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 increase (decrease) in allowance for credit loss on financing receivable. 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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