Guarantees (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Dec. 31, 2025
Guarantor Obligations [Line Items]
Derivative Liabilities	[1]	$ 15,726	$ 18,795
Notional amount of underlying interest rate swaps associated with risk participation agreements		5,182,136	$ 4,593,942
Financial Standby Letter Of Credit [Member]
Guarantor Obligations [Line Items]
Standby letters of credit, net liability		4,400
Contractual amount of letters of credit, guaranteed maximum potential future payments		682,600
Risk Participation Agreement [Member] | Indirect Guarantee Of Indebtedness [Member]
Guarantor Obligations [Line Items]
Derivative Liabilities		58
Notional amount of underlying interest rate swaps associated with risk participation agreements		$ 271,200
Minimum [Member] | Risk Participation Agreement [Member]
Guarantor Obligations [Line Items]
Term, in years		1 year
Maximum [Member] | Risk Participation Agreement [Member]
Guarantor Obligations [Line Items]
Term, in years		11 years

[1] * The fair value of each class of derivative is shown in Note 12.