Defined Benefit Pension Plans (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	[1]	$ 125	$ 350	$ 250	$ 701
Interest cost	[2]	833	887	1,666	1,771
Expected return on plan assets	[2]	(1,028)	(1,148)	(2,056)	(2,295)
Recognized net actuarial loss	[2]	0	0	0	0
Net periodic benefit cost		(70)	89	(140)	177
Non-Qualified Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	[1]	0	39	0	78
Interest cost	[2]	163	177	325	353
Expected return on plan assets	[2]	0	0	0	0
Recognized net actuarial loss	[2]	30	60	61	119
Net periodic benefit cost		$ 193	$ 276	$ 386	$ 550

[1] Included in salaries and employee benefits expense in the Unaudited Consolidated Statements of Income. Service cost for 2024 represents administrative expenses related to the termination of the qualified pension plan.

[2] Included in other expenses in the Unaudited Consolidated Statements of Income.