Note 13 - Long-term Debt (Details Textual) $ in Thousands			3 Months Ended		9 Months Ended	15 Months Ended
		Mar. 28, 2019 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022	Dec. 31, 2021 USD ($)	Jun. 30, 2021	Dec. 31, 2020 USD ($)	Dec. 31, 2017	Nov. 30, 2017 USD ($)	Dec. 31, 2012 USD ($)
Finance Lease, Liability, Current			$ 21,168			$ 21,168					$ 20,115
Long-term Debt, Current Maturities, Total	[1]		28,889			28,889					33,731
Assets, Total			2,520,560	$ 2,653,468		2,520,560					2,523,366
Net Income (Loss) Attributable to Parent, Total			26,404	2,367
Gain (Loss) on Extinguishment of Debt, Total			683	16,833
Debt Instrument, Collateral Amount				2,632							2,813
Derivative Liability, Current			2,275			2,275					2,834
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total			414	(2,773)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax			144	933		1,694
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax			(532)	4
Non-Guarantor Subsidiaries [Member]
Assets, Total			127,258			127,258					123,468
Accounts Receivable, after Allowance for Credit Loss, Total			126,290			126,290					122,639
Net Income (Loss) Attributable to Parent, Total			1,160	1,047
Forecast [Member]
Derivative, Notional Amount									$ 150,000
Senior Secured Second Lien Notes due 2025 [Member]
Repayments of Debt			9,338	$ 25,480
Revolving Credit Facility [Member]
Long-term Line of Credit, Total														$ 0
Loans Payable [Member] | The TLA Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity													$ 100,000
Loans Payable [Member] | The TLB Facility [Member]
Long-term Debt, Current Maturities, Total			5,000			5,000
Repayments of Lines of Credit			$ 5,000
Long-term Debt, Percentage Bearing Fixed Interest, Amount											150,000
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
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%
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			$ 145,656			145,656					125,938
Line of Credit Facility, Remaining Borrowing Capacity			$ 254,344			$ 254,344					$ 274,062
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member]
Debt Instrument, Covenant, Net Leverage Ratio, Maximum					3.75
Debt Instrument, Maximum First Lien Gross Leverage Ratio			1.37			1.37
Debt Instrument, Maximum Net Leverage Ratio			1.97			1.97
Debt Instrument, Minimum Fixed Charge Coverage Ratio			1.88			1.88
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
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]
Debt Instrument, Interest Rate, Stated Percentage			11.00%	11.00%		11.00%						11.00%	11.00%
Repayments of Debt			$ 9,338	$ 25,480
Debt Instrument, Repurchased Face Amount			10,190	43,176		$ 10,190
Repayments of Lines of Credit				$ 25,480
Secured Debt [Member] | Other Asset-backed Financing Maturing December 2020 [Member]
Debt Instrument, Collateral Amount			$ 2,632			$ 2,632
Debt, Weighted Average Interest Rate			3.61%			3.61%

[1] Excludes current portion of Finance Lease Obligations of $21,261 and $18,219 at September 30, 2020 and December 31, 2019, respectively.