Loans and Allowance for Credit Losses, Modifications to Borrowers Experiencing Financial Difficulty (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($) Loan	Dec. 31, 2023 USD ($) Loan
Modifications to Borrowers Experiencing Financial Difficulty [Abstract]
Number of modified loans to borrowers experiencing financial difficulty \| Loan	1	1
Commercial & Industrial [Member]
Modifications to Borrowers Experiencing Financial Difficulty [Abstract]
Amortized cost basis \| $	$ 2.7	$ 10.1
Financing receivables percentage	0.50%	1.90%

Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-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 2: 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 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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-Publisher FASB
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