Pension, Postretirement, and Other Benefit Plans (Schedule of Fair Value of Plan Assets) (Details) - Pension plans - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 112,688	$ 74,929	$ 225,327
Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	112,688	74,929
Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,740	548
Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	60,997	37,234
Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,597	2,418
Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	74,334	40,200
Common Stocks and equity funds | Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Common Stocks and equity funds | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,159	0
Common Stocks and equity funds | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Common Stocks and equity funds | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,159	0
Common Stocks and equity funds | Fair Value Measured at Net Asset Value Per Share | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	12,608	13,069
Debt securities | Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Debt securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	56,838	37,234
Debt securities | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Debt securities | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	56,838	37,234
Insurance contracts | Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Insurance contracts | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Insurance contracts | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,597	2,418	$ 3,861
Insurance contracts | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,478	2,418
Insurance contracts | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,478	2,418
Real Estate | Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Real Estate | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Real Estate | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,451	0
Real Estate | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,451	0
Hedge Funds | Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Hedge Funds | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Hedge Funds | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	668	0
Hedge Funds | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	668	0
Cash and short-term investments | Fair Value, Inputs, Level 1 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,740	548
Cash and short-term investments | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash and short-term investments | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash and short-term investments | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,740	548
Fixed income funds | Fair Value Measured at Net Asset Value Per Share | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	25,746	21,660
Limited partnerships | Fair Value Measured at Net Asset Value Per Share | Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0