Note 5 - Long-term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Long-term debt	$ 557,971	$ 606,158
Less: Current portion	(6,146)	(6,877)
Long-term debt	551,825	599,281
First Lien Credit Facilities [Member] | Term Loan [Member]
Long-term debt	557,236	0
First Lien Credit Facilities [Member] | Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]
Long-term debt	0	517,247
First Lien Credit Facilities [Member] | Incremental Term Loans [Member]
Long-term debt	0	87,958
Equipment Long-term Note Payable and Finance Leases [Member]
Long-term debt	$ 735	$ 953