Defined Benefit Pension Plans (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Qualified Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	[1]	$ 125	$ 351	$ 375	$ 1,052
Interest cost	[2]	833	884	2,499	2,655
Expected return on plan assets	[2]	(1,028)	(1,147)	(3,084)	(3,442)
Recognized net actuarial loss	[2]	0	0	0	0
Net periodic benefit cost		(70)	88	(210)	265
Non-Qualified Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	[1]	0	39	0	117
Interest cost	[2]	162	176	487	529
Expected return on plan assets	[2]	0	0	0	0
Recognized net actuarial loss	[2]	31	59	92	178
Net periodic benefit cost		$ 193	$ 274	$ 579	$ 824

[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.