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Note 5 - Long-term Debt (Details Textual) $ in Thousands			9 Months Ended
	May 21, 2020 USD ($)	May 08, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Aug. 05, 2020	May 06, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 03, 2019 USD ($)
Long-term Line of Credit, Total			$ 989,313						$ 1,305,634
Operating Lease, Right-of-Use Asset			931,797						$ 936,170
Operating Lease, Payments			$ 2,700
Gold Merger Sub [Member]
Operating Lease, Right-of-Use Asset								$ 40,900
Operating Lease, Liability, Total								$ 40,900
Lessee, Operating Lease, Discount Rate								11.10%
Revolving Credit Facility and Term Loan A [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		1.75%
Debt Instrument, Interest Rate Floor		1.50%
Revolving Credit Facility and Term Loan A [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		2.75%
Debt Instrument, Interest Rate Floor		0.50%
Promissory Note [Member] | Gold Merger Sub [Member]
Notes Payable, Total								$ 57,700
Term A Loan [Member] | Revolving Credit Facility and Term Loan A [Member]
Debt Instrument, Fixed Quarterly Amortization of Principal Percentage							5.00%
Term A Loan [Member] | Revolving Credit Facility and Term Loan A [Member] | Forecast [Member]
Debt Instrument, Fixed Quarterly Amortization of Principal Percentage				20.00%
Debt Instrument, Fixed Annual Amortization of Principal Percentage					10.00%	10.00%
Senior Notes [Member] | Senior Note 8.625% Due 2025 [Member]
Debt Instrument, Face Amount	$ 600,000
Debt Instrument, Interest Rate, Stated Percentage	8.625%		8.625%
Debt Issuance Costs, Gross	$ 12,000
Senior Notes [Member] | Senior Note 8.625% Due 2025 [Member] | Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Redemption Price, Percentage	100.00%
Senior Notes [Member] | Senior Note 8.625% Due 2025 [Member] | Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Redemption Price, Percentage	104.313%
Senior Notes [Member] | Senior Note 8.625% Due 2025 [Member] | Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption Price, Percentage	100.00%
Senior Notes [Member] | The 4.750% Senior NotesDue December 2027 [Member]
Debt Instrument, Face Amount										$ 1,000,000
Debt Instrument, Interest Rate, Stated Percentage			4.75%						4.75%	4.75%
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 945,500
Line of Credit Facility, Remaining Borrowing Capacity			932,900
Revolving Credit Facility [Member] | Line of Credit [Member]
Long-term Line of Credit, Total			0						$ 235,000
Debt Instrument, Covenant, Minimum Level of Liquidity		$ 250,000
Debt Instrument, Covenant, Total Net Leverage Ratio		6.00
Letter of Credit [Member] | Line of Credit [Member]
Long-term Line of Credit, Total			$ 12,600

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- Definition

The minimum level of liquidity required under the covenant of the debt instrument.

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The total net leverage ratio required under the covenant of the debt instrument.

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The percent of fixed annual amortization of a debt instrument.

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the percent of fixed quarterly amortization of a debt instrument.

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The interest rate floor of the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Discount rate used by lessee to determine present value of operating lease payments.

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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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