Annual report pursuant to Section 13 and 15(d)

Pension Plans (Details)

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Pension Plans (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Pension Plans (Details) [Line Items]    
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.
Postretirement plan adjustment rate, description   For purposes of determining the cost and obligation for pre-Medicare postretirement medical benefits, a 7.00% 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 2023, adjusted to a rate of 4.50% in 2032.
Forecast [Member]    
Pension Plans (Details) [Line Items]    
Expected contributions by the company $ 850  
Net periodic benefit cost $ 100