Long-Term Debt and Loan Agreements - Schedule of Long Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Feb. 08, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term Debt	$ 395,000	$ 400,000	$ 58,000
Less unamortized deferred financing fees	7,522		13
Long-term Debt, net of deferred financing costs	387,478		57,987
Less current portion long-term debt	19,624		25,998
Long-term Debt	367,854		31,989
Amended Loan Agreement - Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving Credit Facility	5,000		20,000
Amended Loan Agreement - Term Loan A [Member]
Debt Instrument [Line Items]
Long-term Debt	390,000		0
5.25% Senior Unsecured Notes due January 15, 2024 [Member]
Debt Instrument [Line Items]
Long-term Debt	0		11,000
5.30% Senior Unsecured Notes due January 15, 2024 [Member]
Debt Instrument [Line Items]
Long-term Debt	0		15,000
5.45% Senior Unsecured Notes due January 15, 2026 [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 0		$ 12,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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