Derivative and Hedging Activities Derivative Impact on Perfomance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Other Assets [Member]
Derivative Instruments
Derivative Asset	$ 8,650		$ 8,650		$ 89,570
Derivatives (trading and other assets), fair value	73,218		73,218		93,026
Other Assets [Member] | Not designated as hedging instruments
Derivative Instruments
Derivatives (trading and other assets), fair value	73,218		73,218		93,026
Other Liabilities [Member]
Derivative Instruments
Derivatives (trading liabilities)	274,176		274,176		19,421
Other Liabilities [Member] | Not designated as hedging instruments
Derivative Instruments
Derivatives (trading and other assets), fair value	274,139		274,139		32,921
Interest rate-related instruments — customer and mirror | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Not designated as hedging instruments
Derivative Instruments
Derivative Asset	59,618		59,618		83,626
Derivatives (trading liabilities)	264,212		264,212		26,231
Interest rate-related instruments — customer and mirror | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Derivative Instruments
Derivative Asset	0		0		0
Derivatives (trading liabilities)	906		906		0
Interest rate-related instruments — customer and mirror | Other Assets [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	4,250,397		4,250,397		3,874,781
Interest rate-related instruments — customer and mirror | Other Assets [Member] | Designated as Hedging Instrument
Derivative Instruments
Notional Amount	0		0		0
Interest rate-related instruments — customer and mirror | Other Liabilities [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	4,535,166		4,535,166		3,874,781
Interest rate-related instruments — customer and mirror | Other Liabilities [Member] | Designated as Hedging Instrument
Derivative Instruments
Notional Amount	850,000		850,000		0
Mortgage banking(a)(b) | Other Assets [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	41,327		41,327		133,990
Mortgage banking(a)(b) | Other Liabilities [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	88,000		88,000		245,016
Interest rate lock commitments (mortgage) | Other Assets [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	482,983		482,983		490,057
Interest rate lock commitments (mortgage) | Other Liabilities [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	458,140		458,140		478,745
Forward commitments (mortgage) | Other Assets [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	0		0		3,894
Forward commitments (mortgage) | Other Liabilities [Member] | Not designated as hedging instruments
Derivative Instruments
Notional Amount	0		0		$ 3,910
Capital markets, net | Interest rate-related instruments — customer and mirror
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(33)	$ 557	548	$ 2,546
Capital markets, net | Mortgage banking(a)(b)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(1,389)	(1,356)	(3,020)	(4,438)
Capital markets, net | Commodity contracts
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	3,543	1,402	3,415	3,017
Mortgage banking, net | Interest Rate-Related Instruments - MSRs Hedge
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(3,547)	0	(12,559)	0
Mortgage banking, net | Interest rate lock commitments (mortgage)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	159	(8)	536	109
Mortgage banking, net | Forward commitments (mortgage)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 0	$ (124)	$ (16)	$ (1,256)