Derivative and Hedging Activities, Derivative Instruments Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Other Assets [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	$ 123,723	$ 67,690
Less: Legally enforceable master netting agreements	18,234	2,788
Less: Cash collateral pledged/received	35,855	26,898
Net Amounts Presented on the Consolidated Balance Sheets	69,634	38,003
Liability
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other liabilities), fair value	202,958	254,079
Less: Legally enforceable master netting Liability	18,234	2,788
Less: Cash collateral pledged/received	0	217
Derivative Liability	184,724	251,073
Not designated as hedging instruments: | Interest Rate Related Instruments Customer and Mirror | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	111,623	62,401
Derivatives (trading and other liabilities), fair value	195,662	251,398
Not designated as hedging instruments: | Foreign currency exchange forwards | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	2,954	437
Derivatives (trading and other liabilities), fair value	2,746	402
Not designated as hedging instruments: | Mortgage banking(a) | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	439	86
Derivatives (trading and other liabilities), fair value	673	46
Not designated as hedging instruments: | Other Assets [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	115,016	62,925
Not designated as hedging instruments: | Other Assets [Member] | Interest Rate Related Instruments Customer and Mirror
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	3,603,513	4,246,823
Not designated as hedging instruments: | Other Assets [Member] | Foreign currency exchange forwards
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	87,526	68,570
Not designated as hedging instruments: | Other Assets [Member] | Mortgage banking(a)
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	29,490	21,265
Not designated as hedging instruments: | Liability
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other liabilities), fair value	199,082	251,847
Not designated as hedging instruments: | Liability | Interest Rate Related Instruments Customer and Mirror
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	6,528,471	4,599,391
Not designated as hedging instruments: | Liability | Foreign currency exchange forwards
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	135,654	34,240
Not designated as hedging instruments: | Liability | Mortgage banking(a)
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	51,500	33,000
Designated as Hedging Instrument [Member] | Interest Rate Related Instruments Customer and Mirror | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	8,075	4,349
Derivatives (trading and other liabilities), fair value	930	1,260
Designated as Hedging Instrument [Member] | Foreign currency exchange forwards | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	632	416
Derivatives (trading and other liabilities), fair value	2,946	972
Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	8,707	4,765
Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Related Instruments Customer and Mirror
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	2,300,000	900,000
Designated as Hedging Instrument [Member] | Other Assets [Member] | Foreign currency exchange forwards
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	231,566	261,595
Designated as Hedging Instrument [Member] | Liability
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other liabilities), fair value	3,876	2,233
Designated as Hedging Instrument [Member] | Liability | Interest Rate Related Instruments Customer and Mirror
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	550,000	1,150,000
Designated as Hedging Instrument [Member] | Liability | Foreign currency exchange forwards
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	$ 189,212	$ 167,088