Debt and Credit Agreements - Outstanding Amounts Under Revolving Credit Facility (Details) - Line of Credit [Member] $ in Thousands	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 247,183
Line of Credit Facility, Maximum Borrowing Capacity	700,000
Long-term Line of Credit	422,000
Letters of Credit Outstanding, Amount	$ 30,817