Derivative Financial Instruments (Derivatives, Effect in Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Derivatives Not Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	$ (2,003)	$ (12)	$ (4,516)	$ (3,777)
Interest rate swaps | Derivatives Designated as Hedging Instruments | Cash Flow Hedging Instruments | Interest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	(2,164)	(2,164)	(6,441)	(7,065)
Interest rate swaps | Derivatives Designated as Hedging Instruments | Cash Flow Hedging Instruments | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	487	631	1,475	1,022
Interest rate swaps | Derivatives Designated as Hedging Instruments | Fair Value Hedging Instruments | Interest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	19	0	19	0
Hedged item | Derivatives Designated as Hedging Instruments | Fair Value Hedging Instruments | Interest income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	(19)	0	(19)	0
Interest rate contracts with customers | Derivatives Not Designated as Hedging Instruments | Loan Related Derivative Income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	22,742	(18,684)	(2,615)	(28,044)
Mirror interest rate contracts with counterparties | Derivatives Not Designated as Hedging Instruments | Loan Related Derivative Income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	(22,733)	20,291	2,981	29,815
Risk participation agreements | Derivatives Not Designated as Hedging Instruments | Loan Related Derivative Income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	117	(525)	93	(493)
Interest rate lock commitments | Derivatives Not Designated as Hedging Instruments | Mortgage banking revenues
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	(20)	(17)	180	174
Forward sale commitments | Derivatives Not Designated as Hedging Instruments | Mortgage banking revenues
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Noninterest Income	$ (432)	$ 456	$ (189)	$ 814