Note 13 - Long-term Debt (Details Textual) $ in Thousands		3 Months Ended					9 Months Ended
	Mar. 28, 2019 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jul. 31, 2018	Dec. 31, 2017	Nov. 30, 2017 USD ($)
Finance Lease, Liability, Current		$ 21,261					$ 21,261							$ 18,219
Gain (Loss) on Extinguishment of Debt, Total		1,078			$ (801)		17,911	$ (25,444)
Derivative Liability, Current		3,373					3,373							154
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total		377	$ (12)	$ (2,773)	(261)	$ (264)	(2,408)	(525)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax		127	$ (4)	$ (933)	$ (83)		(810)	(167)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax							(1,005)
Derivative, Notional Amount		150,000					150,000
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred							2,069
Revolving Credit Facility [Member]
Long-term Line of Credit, Total		$ 0					0							0
Loans Payable [Member] | The TLA Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity																	$ 100,000
Loans Payable [Member] | The TLB Facility [Member]
Repayments of Lines of Credit							$ 110,000
Loans Payable [Member] | The TLB Facility [Member] | Forecast [Member]
Long-term Debt, Percentage Bearing Fixed Interest, Amount									$ 50,000				$ 150,000
Loans Payable [Member] | The TLB Facility [Member] | Maximum [Member]
Debt Instrument, Repayment, Percent of Excess Cash Flow							75.00%
Loans Payable [Member] | The TLB Facility [Member] | Minimum [Member]
Debt Instrument, Repayment, Percent of Excess Cash Flow							0.00%
Loans Payable [Member] | Senior Secured Second Lien Notes due 2025 [Member]
Debt Instrument, Covenant, Net Leverage Ratio, Maximum		2.00					2.00
Loans Payable [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity																	300,000
Debt Instrument, Basis Spread on Variable Rate	0.50%
Line of Credit Facility, Fair Value of Amount Outstanding		$ 0					$ 0
Loans Payable [Member] | Revolving Credit Facility [Member] | Senior Secured Second Lien Notes due 2025 [Member]
Debt Instrument, Covenant, Maximum Additional Borrowings							0
Loans Payable [Member] | Revolving Credit Facility [Member] | Senior Secured Second Lien Notes due 2025 [Member] | Maximum [Member]
Debt Instrument, Covenant, Maximum Amount of Letters of Credit							200,000
Line of Credit [Member] | The TLB Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity																	400,000
Line of Credit [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 400,000																$ 300,000
Letters of Credit Outstanding, Amount		99,126					99,126							69,588
Line of Credit Facility, Remaining Borrowing Capacity		$ 300,874					$ 300,874							$ 330,412
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member[
Debt Instrument, Covenant, Net Leverage Ratio, Maximum		3.75					3.75
Debt Instrument, Maximum First Lien Gross Leverage Ratio		2.04					2.04
Debt Instrument, Maximum Net Leverage Ratio		3.38					3.38
Debt Instrument, Minimum Fixed Charge Coverage Ratio		1.33					1.33
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member[ | Forecast [Member]
Debt Instrument, Covenant, Net Leverage Ratio, Maximum										2.75	3.25	3.50
Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum										1.10	1.05	1.00
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member[ | Maximum [Member]
Debt Instrument, Covenant, First Lien Gross Leverage Ratio		2.50					2.50
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member[ | Maximum [Member] | Forecast [Member]
Debt Instrument, Covenant, First Lien Gross Leverage Ratio										1.75	2.00	2.25
Senior Notes [Member] | Senior Secured Second Lien Notes due 2025 [Member]
Repayments of Lines of Credit								$ 110,000
Debt Instrument, Interest Rate, Stated Percentage		11.00%			11.00%		11.00%	11.00%							11.00%	11.00%	11.00%
Debt Instrument, Repurchased Face Amount		$ 45,176			$ 35,048		$ 45,176	$ 35,048
Secured Debt [Member] | Other Asset Backed Financing [Member]
Debt Instrument, Collateral Amount		$ 21,885					$ 21,885
Debt, Weighted Average Interest Rate		4.30%					4.30%							5.07%
Secured Debt [Member] | Other Asset Backed Financing Matures in December 2020 [Member]
Debt Instrument, Collateral Amount		$ 18,894					$ 18,894
Secured Debt [Member] | Other Asset Backed Financing Matures in September 2024 [Member]
Debt Instrument, Collateral Amount		$ 2,991					$ 2,991