Derivative and Hedging Activities, Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	$ 100,000
Derivative Liability, Notional Amount	250,000
Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	48,451	$ 42,468
Derivative Liability, Subject to Master Netting Arrangement, before Offset	15,109	23,006
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset	9,343	12,839
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset	9,343	12,839
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset	17,769	10,343
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset	720	8,334
Derivative Asset	21,339	19,286
Derivative Liability	5,046	1,833
Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	66,355	80,606
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset	9,343	12,839
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset	17,769	10,343
Derivative Asset	39,243	57,424
Other Liabilities [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Subject to Master Netting Arrangement, before Offset	119,081	110,787
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset	9,343	12,839
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset	720	8,334
Derivative Liability	109,018	89,614
Designated as Hedging Instrument | Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	2,790	11,274
Designated as Hedging Instrument | Other Assets [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	1,150,000	2,425,000
Designated as Hedging Instrument | Other Assets [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	48,307	280,159
Designated as Hedging Instrument | Other Liabilities [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Subject to Master Netting Arrangement, before Offset	7,040	195
Designated as Hedging Instrument | Other Liabilities [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	1,650,000	25,000
Designated as Hedging Instrument | Other Liabilities [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	269,686	38,384
Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Subject to Master Netting Arrangement, before Offset	63,565	69,332
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	5,496,857	4,775,818
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	65,014	48,904
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	68,998	39,998
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Subject to Master Netting Arrangement, before Offset	112,041	110,592
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	6,553,249	7,072,274
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	13,535	43,787
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	141,000	107,000
Fair Value, Inputs, Level 2
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	200
Derivative Liability, Notional Amount	(1,500)
Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	1,432	814
Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	1,435	10,517
Derivative Liability	6,737	1
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	61,693	66,787
Derivative Liability	111,446	108,631
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	440	1,731
Derivative Liability	198	1,517
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	1,435	10,517
Derivative Liability	6,737	1
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	1,355	757
Derivative Liability	303	194
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Derivative Instrument Detail [Abstract]
Derivative Asset	61,693	66,787
Derivative Liability	111,446	108,631
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Derivative Financial Instruments, Assets [Member]
Derivative Instrument Detail [Abstract]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs	1,432	814	$ 327
Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis With Unobservable Inputs - Forward Commitments	(400)	(400)
Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis With Unobservable Inputs - Interest Rate Lock Commitements	1,400	800
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	1,432	814
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	1,432	814
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	$ 397	$ 444