Employee Benefit Plans (Pre-tax Amounts Recognized in Accumulated Other Comprehensive Loss) (Details) - Postretirement health care benefit plan $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)
Details of the pre-tax amounts recognized in accumulated other comprehensive loss
Balance at beginning of year, Unamortized Actuarial Net Losses	$ 11,744
Balance at beginning of year, Unamortized Prior Service Costs	(6,243)
Amounts arising during the period, Unamortized Actuarial Net Losses	911
Amounts arising during the period, Unamortized Prior Service Costs	0
Amounts recognized as a component of net periodic benefit cost, Unamortized Actuarial Net Losses	0
Amounts recognized as a component of net periodic benefit cost, Unamortized Prior Service Costs	(1,206)
Balance at end of year, Unamortized Actuarial Net Losses	12,655
Balance at end of year, Unamortized Prior Service Costs	$ (7,449)