Retirement Plans, Estimated Future Benefit Payments (Details) $ in Thousands	Dec. 31, 2024 USD ($)
RAP
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Year One	$ 22,579
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	21,689
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	20,165
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	20,135
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	20,179
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years	84,031
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Year One	217
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	213
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	208
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	203
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	196
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years	$ 856