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Note 9 - Debt, Net (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	May 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Aug. 30, 2022 USD ($)
Nontrade Receivables, Noncurrent	$ 26,997	$ 26,997			$ 28,946
Long-Term Debt, Gross	208,059	208,059			169,087
Opco [Member] | Floating Rate Revolving Credit Facility Due August 2027 [Member]
Line of Credit Facility, Remaining Borrowing Capacity	27,000	27,000		$ 155,000	60,000	$ 130,000
Line of Credit Facility, Maximum Borrowing Capacity, Addition of Future Commitments				$ 200,000
Ratio of EBITDA To Consolidated Fixed Charges				3.5
Long-Term Line of Credit	$ 128,000	128,000			70,000
Proceeds from Lines of Credit		215,000
Repayments of Lines of Credit		$ 157,000
Long-Term Debt, Weighted Average Interest Rate, over Time	8.85%	8.61%
Nontrade Receivables, Noncurrent	$ 27,000	$ 27,000			28,900
Long-Term Debt, Gross	128,034	128,034			70,000
Opco [Member] | Floating Rate Revolving Credit Facility Due August 2027 [Member] | Other Noncurrent Assets [Member]
Debt Instrument, Collateral Amount	321,600	321,600			326,400
Opco [Member] | Senior Notes [Member]
Long-Term Debt, Gross	$ 80,000	80,000			$ 99,100
Repayments of Debt		$ 19,100	$ 19,100
Opco [Member] | The Eight Point Nine Two Senior Notes Due March Two Zero Two Four [Member]
Debt Instrument, Interest Rate, Stated Percentage	8.92%	8.92%
Partnership Leverage Ratio, Maximum	3.75	3.75
Debt Instrument, Additional Variable Interest Rate	2.00%	2.00%

X

- Definition

The additional variable interest rate of the debt instrument as a condition of the leverage ratio exceeding covenant standards.

+ References

No definition available.

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- Definition

Amount of maximum borrowing capacity including future commitments that can be added for line of credit facility.

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No definition available.

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- Definition

The maximum consolidated indebtedness to consolidated EBITDDA.

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The ratio of earnings before interest, taxes, depreciation and amortization (EBITDA) compared to consolidated fixed charges.

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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.

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Amount of assets pledged to secure a debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Weighted average interest rate of long-term debt outstanding calculated over time.

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The noncurrent portion of the receivable other than from customers, that is amounts expected to be collected after one year or the normal operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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