Number of PRSU shares granted from contingent consideration in asset acquisition.

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Investments in Tax Credit and Other Investments, Net [Line Items]

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Represents the minimum compliance period, to meet regulatory requirements for affordable housing, to fully utilize the tax credits.

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Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Award Available for Grant

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No definition available.

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- Definition

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Amount of investment in equity security without readily determinable fair value.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities -Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Investments in Tax Credit and Other Investments, Net [Line Items]
Minimum compliance period for qualified affordable housing partnerships to fully utilize the tax credits (in years)		15 years
Rayliant Global Advisors Limited
Investments in Tax Credit and Other Investments, Net [Line Items]
Equity method investment, ownership (percent)	49.99%	49.99%
Payments to acquire equity method investments	$ 94.7
Equity method investment, difference between carrying amount and underlying equity	100.7	$ 100.7
Equity securities without readily determinable fair values	$ 110.9	110.9
Asset Acquisition, Contingent Consideration, Number of Shares	349,138
Rayliant Global Advisors Limited \| Performance-based RSUs \| Minimum
Investments in Tax Credit and Other Investments, Net [Line Items]
Shares based upon Rayliant’s achievement of specified financial performance conditions (as percentage)	20.00%
Rayliant Global Advisors Limited \| Performance-based RSUs \| Maximum
Investments in Tax Credit and Other Investments, Net [Line Items]
Shares based upon Rayliant’s achievement of specified financial performance conditions (as percentage)	200.00%
Tax credit investments
Investments in Tax Credit and Other Investments, Net [Line Items]
Equity securities	$ 23.6	23.6	$ 24.0
Investments in Tax Credit and Other Investments and Other Assets
Investments in Tax Credit and Other Investments, Net [Line Items]
Equity securities without readily determinable fair values	$ 148.0	$ 148.0	$ 36.5