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Note 12 - Credit Agreements (Details Textual) $ in Thousands | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 31, 2024 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2025 | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jul. 01, 2025 USD ($) | May 31, 2013 USD ($)
Short-Term Debt |  |  |  | $ 50,618 | $ 55,848 |  |  |
Short-Term Debt, Weighted Average Interest Rate, at Point in Time |  |  |  | 5.67% | 5.44% |  |  |
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net |  |  |  | $ 5,673 | $ 8,203 |  |  |
Loss on Extinguishment of Debt |  |  |  | $ 1,225 | 4,861 | $ (0) |  |
Covenant Maximum Total Leverage Ratio |  |  |  | 1.39 |  |  |  |
Covenant Minimum Interest Coverage Ratio |  |  |  | 11.76 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 1,250,000 |  |  |  |  |  |
Long-Term Line of Credit |  |  |  | $ 0 |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  | 999,250 |  |  |  |
New Revolving Facility [Member] |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net |  |  |  | $ 4,987 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 1,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 5.12% |  |  |  |
New Tranche A Term Loan Facility and Term Loan B Facility [Member] |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net |  |  |  | $ 5,673 |  |  |  |
Tranche B Term Loan Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 1,200,000
Uncommitted Incremental Term Loan Facility | $ 300,000 |  |  |  |  |  |  | $ 300,000
Debt Instrument, SOFR Floor | 0.00% |  | 0.00% |  |  |  |  |
Extinguishment of Debt, Amount | $ 530,000 |  |  |  |  |  |  |
Debt Instrument, Face Amount | 500,000 |  |  |  |  |  |  |
Unamortized Debt Issuance Expense | 2,991 |  |  |  |  |  |  |
Debt Issuance Costs, Net | 4,236 |  |  |  |  |  |  |
Loss on Extinguishment of Debt | $ 625 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 5.62% |  |  |  |
Threshold for Secured Leverage Ratio Excess Cash Flow Payment Requirement | 3.75 |  |  | 1.32 |  |  |  |
Long-Term Debt, Gross |  |  |  | $ 493,750 | 498,750 |  |  |
Tranche B Term Loan Facility [Member] | Base Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.75% |  |  |  |  |
Tranche B Term Loan Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  | 1.75% |  |  |  |  |
Tranche A Term Loan Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 750,000 |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  | $ 700,000 | $ 712,500 |  |  |
Tranche A Term Loan Facility and Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Debt Instrument, SOFR Floor |  |  |  | 0.00% |  |  |  |
Covenant Maximum Total Leverage Ratio |  | 3.75 |  |  |  |  |  |
Covenant Minimum Interest Coverage Ratio |  | 3 |  |  |  |  |  |
Tranche A Term Loan Facility and Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 1.25% |  |  |  |
Tranche A Term Loan Facility and Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 1.75% |  |  |  |
New Tranche A Term Loan [Member] |  |  |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  |  |  |  | $ 700,000 |
New Credit Facility [Member] |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  | $ 5,275 |  |  |  |
Loss on Extinguishment of Debt |  |  |  | 782 |  |  |  |
Debt Instrument, Interest Rate, Reduction |  |  |  |  |  |  | 0.10% |
Deferred Debt Issuance Cost, Writeoff |  |  |  | $ 443 |  |  |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- Definition 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. + References No definition available. + Details
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