Derivative and Hedging Activities, Derivative Instruments Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments Designated/Not Designated as Hedging Instruments
Forward Commitment Fair Value	$ 30
Asset
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other assets), fair value	93,026	$ 219,537
Less: Legally enforceable master netting agreements	2,143	1,936
Less: Cash collateral pledged/received	1,313	10,879
Net Amounts Presented on the Consolidated Balance Sheets	89,570	206,722
Liability
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivatives (trading and other liabilities), fair value	32,921	43,716
Less: Legally enforceable master netting Liability	2,143	1,936
Less: Cash collateral pledged/received	11,357	25,625
Net Amounts Presented on the Consolidated Balance Sheets	19,421	16,155
Not designated as hedging instruments \| Asset \| Interest Rate Related Instruments Customer and Mirror
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	3,874,781	3,639,679
Derivatives (trading and other assets), fair value	83,626	192,518
Not designated as hedging instruments \| Asset \| Foreign currency exchange forwards
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	490,057	411,292
Derivatives (trading and other assets), fair value	5,490	4,909
Not designated as hedging instruments \| Asset \| Commodity contracts
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	3,894	87,547
Derivatives (trading and other assets), fair value	1,264	12,486
Not designated as hedging instruments \| Asset \| Mortgage banking(a)(b)
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Asset, Notional Amount	133,990	226,818
Derivatives (trading and other assets), fair value	2,647	9,624
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	3,874,781	3,639,679
Derivatives (trading and other liabilities), fair value	26,231	25,680
Not designated as hedging instruments \| Liability \| Foreign currency exchange forwards
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	478,745	398,890
Derivatives (trading and other liabilities), fair value	5,441	4,836
Not designated as hedging instruments \| Liability \| Commodity contracts
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	3,910	83,214
Derivatives (trading and other liabilities), fair value	1,248	11,155
Not designated as hedging instruments \| Liability \| Mortgage banking(a)(b)
Derivative Instruments Designated/Not Designated as Hedging Instruments
Derivative Liability, Notional Amount	245,016	335,500
Derivatives (trading and other liabilities), fair value	$ 0	$ 2,046

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