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Deposits (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Deposits [Abstract] |  |  |  |  |
Public funds deposits included in deposits | $ 3,000.0 |  | $ 3,000.0 |  | $ 3,100.0
Interest-bearing Domestic Deposit, Brokered | 4,100.0 |  | 4,100.0 |  | $ 5,200.0
Noninterest Expense Commission Expense | $ 14.5 | $ 14.3 | $ 27.7 | $ 27.0 |

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- Definition Public funds deposits included in deposits. + References No definition available. + Details
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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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- Definition Amount of fees incurred for commissions on mutual funds and insurance products. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(14)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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