Benefit Plan Schedule of assumptions used to determine benefit obligations (Details)	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	5.14%	5.32%	3.23%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate	3.89%	4.07%
Under age 25
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	7.50%
Under age 30 [Member]
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		8.25%	8.25%
Ages 25-29
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	7.00%
Ages 30-34
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	6.75%
Ages 30-39 [Member] [Member]
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		6.00%	6.00%
Ages 35-39
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	6.00%
Ages 40-49 [Domain]
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		5.00%	5.00%
Ages 40-44
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	5.25%
Ages 45-54
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	4.75%
Ages 50 to 54 [Member]
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		4.25%	4.25%
Ages 50-65
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	3.75%
Ages 55-59
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		3.75%	3.75%
Ages 60-64
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		3.50%	3.50%
Ages 65 and over
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase		3.25%	3.25%
Ages 70 and over
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	3.00%