Note 12 - Long-term Debt (Details Textual)		1 Months Ended	3 Months Ended		12 Months Ended
	Mar. 29, 2021 USD ($)	Apr. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022	Dec. 31, 2020 USD ($)	Mar. 28, 2019 USD ($)	Nov. 30, 2017 USD ($)
Assets, Total			$ 2,714,960,000	$ 2,520,560,000	$ 2,573,517,000
Net (Loss) Income			(4,450,000)	26,404,000
Gain (Loss) on Extinguishment of Debt, Total			(2,122,000)	683,000
Long-Term Debt, Total			573,997,000		604,641,000
Derivative Liability, Current			200,185,000		52,204,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax			391,000	414,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax			130,000	144,000
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred			159,000
Interest Rate Swap [Member]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax			391,000	414,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax			130,000	144,000
Interest Rate Swap [Member] | Interest Expense [Member]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total			(167,000)	(532,000)
Prepaid Expenses and Other Current Assets [Member] | Interest Rate Swap [Member]
Derivative Asset, Current			5,000
Other Accrued Liabilities [Member] | Interest Rate Swap [Member]
Derivative Liability, Current			517,000
Non-Guarantor Subsidiaries [Member]
Assets, Total			178,726,000		104,548,000
Accounts Receivable, after Allowance for Credit Loss, Total			178,446,000		$ 104,099,000
Net (Loss) Income			684,000	1,160,000
Senior Secured Second Lien Notes due 2025 [Member]
Repayments of Debt			$ 26,387,000	9,338,000
PEDFA Solid Waste Disposal Revenue Bonds [Member]
Debt Instrument, Interest Rate, Stated Percentage		9.00%	9.00%		9.00%
Debt Instrument, Face Amount		$ 75,000,000
Debt Instrument, Term (Year)		7 years
Proceeds from Issuance of Debt		$ 75,000,000
Restricted Cash, Total					$ 46,136,000
Long-Term Debt, Total			$ 75,000,000		75,000,000
PEDFA Solid Waste Disposal Revenue Bonds Due April 2028 [Member]
Restricted Cash, Total			43,107,000
PEDFA Solid Waste Disposal Revenue Bonds Due April 2028 [Member] | Restricted Cash [Member]
Payment of Capital Construction Project, Qualified Costs			3,031,000
Revolving Credit Facility [Member]
Long-Term Line of Credit, Total			0		0
Loans Payable [Member] | The TLA Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity										$ 100,000,000
Loans Payable [Member] | Senior Secured Second Lien Notes due 2025 [Member]
Debt Instrument, Covenant, Maximum Amount of Letters of Credit	$ 200,000
Debt Instrument, Covenant, Net Leverage Ratio, Maximum	2.00
Loans Payable [Member] | The TLB Facility [Member]
Repayments of Lines of Credit				4,848,000
Long-term Debt, Percentage Bearing Fixed Interest, Amount			50,000,000		$ 150,000,000			$ 150,000,000
Loans Payable [Member] | The TLB Facility [Member] | Forecast [Member]
Long-term Debt, Percentage Bearing Fixed Interest, Amount						$ 50,000,000
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] | Revolving Credit Facility [Member]
Finance Lease, Liability, Current			23,226,000		$ 20,743,000
Line of Credit Facility, Maximum Borrowing Capacity										300,000,000
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] | The TLB Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity										400,000,000
Line of Credit [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity									$ 400,000	$ 300,000,000
Letters of Credit Outstanding, Amount			163,626,000		169,241,000
Line of Credit Facility, Remaining Borrowing Capacity			$ 236,374,000		$ 230,759,000
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member]
Debt Instrument, Covenant, Net Leverage Ratio, Maximum			3.25
Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum			1.05
Debt Instrument, Covenant, First Lien Gross Leverage Ratio, Actual			0.79
Debt Instrument, Covenant, Net Leverage Ratio, Actual			0.99
Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Actual			2.09
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member] | Forecast [Member]
Debt Instrument, Covenant, Net Leverage Ratio, Maximum							2.75
Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum							1.10
Line of Credit [Member] | Revolving Credit Facility and TLA Facility [Member] | Maximum [Member]
Debt Instrument, Covenant, First Lien Gross Leverage Ratio			2.00				1.75
Senior Notes [Member] | Senior Secured Second Lien Notes due 2025 [Member]
Debt Instrument, Interest Rate, Stated Percentage			11.00%		11.00%					11.00%
Repayments of Debt			$ 26,387,000	9,338,000
Debt Instrument, Repurchased Face Amount			25,000,000	$ 10,190,000
Long-Term Debt, Total			124,107,000		$ 149,107,000
Secured Debt [Member] | Other Asset Backed Financing Matures in September 2024 [Member]
Debt Instrument, Collateral Amount			1,895,000		$ 2,082,000
Long-Term Debt, Total			$ 1,895,000
Debt, Weighted Average Interest Rate			3.61%		3.61%