Derivative and Hedging Activities, Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	$ 450,000
Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	63,863	$ 87,075
Derivatives (trading and other liabilities), fair value	32,396	18,767
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset	19,037	18,234
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset	19,037	18,234
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset	8,572	35,855
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset	8,631	0
Derivative Asset	36,254	32,985
Derivative Liability	4,727	533
Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	121,367	123,723
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset	19,037	18,234
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset	8,572	35,855
Derivative Asset	93,758	69,634
Other Liabilities [Member]
Derivative Instrument Detail [Abstract]
Derivatives (trading and other liabilities), fair value	148,404	202,958
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset	19,037	18,234
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset	8,631	0
Derivative Liability	120,736	184,724
Designated as Hedging Instrument | Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	20,285	8,707
Designated as Hedging Instrument | Other Assets [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	3,100,000	2,300,000
Designated as Hedging Instrument | Other Assets [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	277,977	231,566
Designated as Hedging Instrument | Other Liabilities [Member]
Derivative Instrument Detail [Abstract]
Derivatives (trading and other liabilities), fair value	780	3,876
Designated as Hedging Instrument | Other Liabilities [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	200,000	550,000
Designated as Hedging Instrument | Other Liabilities [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	104,064	189,212
Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	101,082	115,016
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	3,862,763	3,603,513
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	108,995	87,526
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	59,674	29,490
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivative Instrument Detail [Abstract]
Derivatives (trading and other liabilities), fair value	147,624	199,082
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	6,526,977	6,528,471
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	112,825	135,654
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	121,000	51,500
Fair Value, Inputs, Level 2
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	7,000
Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	822	439
Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	20,010	8,075
Derivative Liability	91	930
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	95,396	111,623
Derivative Liability	142,560	195,662
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	4,865	2,954
Derivative Liability	4,579	2,746
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	20,010	8,075
Derivative Liability	91	930
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	275	632
Derivative Liability	689	2,946
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	95,396	111,623
Derivative Liability	142,560	195,662
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	822	439
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivative Liability		673
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Designated as Hedging Instrument | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	0	0
Derivative Liability	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	0	0
Derivative Liability	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	822	$ 439
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member] | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivative Liability	$ 485