Annual report pursuant to Section 13 and 15(d)

Pension Plans (Details)

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Pension Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2023
Pension Plans (Details) [Line Items]    
Net periodic benefit cost $ 0.2  
Pension plan, description The Retirement Plan’s current investment target allocations are 50% equities and 50% debt. The pension committee periodically reviews the actual asset allocation in light of these targets and rebalances investments as necessary.  
Percentage of adjusting rate assumed health care,description the cost and obligation for pre-Medicare postretirement medical benefits, a 7.50% annual rate of increase in the per capita cost of covered benefits (i.e., health care trend rate) was assumed for the Postretirement Plan in 2024, adjusted to a rate of 4.50% in 2033  
Forecast [Member]    
Pension Plans (Details) [Line Items]    
Expected contributions by the company   $ 1.0