Retirement Benefit Plans (Net Periodic Benefit Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Settlements	$ 7,804	$ 0
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1,189	1,360
Expected return on plan assets	(1,107)	(1,641)
Amortization of actuarial loss	355	270
Amortization of prior service cost	58	58
Settlements	7,804	0
Net periodic pension expense	8,299	47
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	70	75
Service cost	8	8
Amortization of actuarial loss	92	75
Amortization of prior service cost	0	(6)
Net periodic pension expense	$ 170	$ 152