Fee Income on Derivatives

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
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- Definition

Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 55
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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
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- Definition

Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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-Subparagraph (SX 210.5-02(8))
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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
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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 815
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+ Details

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

No definition available.

+ Details

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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

No definition available.

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- Definition

Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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-Paragraph 12
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Derivatives and Hedging Activities - Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) (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
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	$ 0.1	$ (1.4)	$ 0.4	$ (5.8)
Financial Instruments	0.0		0.0		$ 0.0
Derivative Asset, Notional Amount	1,340.5		1,340.5		1,420.5
Derivative Asset, Estimated Fair Value	29.1		29.1		44.9
Derivative Liability, Notional Amount	1,718.6		1,718.6		2,107.0
Derivative Liabilities, Estimated Fair Value	88.9		88.9		133.8
Collateral Pledged
Derivative [Line Items]
Derivative, Fair Value, Net	0.0		0.0
Financial Instruments	0.0		0.0
Not Designated as Hedging Instrument
Derivative [Line Items]
Amount of net fee income recognized in other noninterest income			0.0	0.0
Interest Rate Swap \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	0.0		0.0		0.0
Derivative Asset, Estimated Fair Value	0.0		0.0		0.0
Derivative Liability, Notional Amount	0.0		0.0		300.0
Derivative Liabilities, Estimated Fair Value	0.0		0.0		2.8
Interest Rate Swap \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Asset, Notional Amount	1,330.7		1,330.7		1,415.4
Derivative Asset, Estimated Fair Value	29.1		29.1		44.9
Derivative Liability, Notional Amount	1,330.7		1,330.7		1,415.4
Derivative Liabilities, Estimated Fair Value	88.6		88.6		130.0
Risk Participation Agreements \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Liability, Notional Amount	87.9		87.9		91.6
Derivative Liabilities, Estimated Fair Value	0.0		0.0		0.0
Forward Contracts \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Fair Value, Net	0.0		0.0		0.0
Derivative Asset, Notional Amount	5.6		5.6		2.4
Interest Rate Lock Commitments \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Asset, Notional Amount	4.2		4.2		2.7
Derivative Asset, Estimated Fair Value	0.0		0.0		0.0
Interest Rate Collars
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	300.0		300.0
Interest Rate Collars \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	300.0		300.0		300.0
Derivative Liabilities, Estimated Fair Value	0.3		0.3		$ 1.0
Cash Flow Hedging [Member] \| Interest Rate Swap \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	$ (0.9)	$ 5.1	$ (1.9)	$ 22.5