Note 10 - Leases - Maturities of Lease liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
2022, finance leases	$ 7,085
2022, operating leases	26,615
2023, finance leases	6,014
2023, operating leases	26,220
2024, finance leases	5,835
2024, operating leases	25,062
2025, finance leases	5,432
2025, operating leases	15,751
2026, finance leases	5,091
2026, operating leases	6,469
After 2023, finance leases	30,646
After 2023, operating leases	15,047
Total minimum lease payments, finance leases	60,103
Total minimum lease payments, operating leases	115,164
Interest component	(20,928)
Interest component	(11,245)
Present value of minimum lease payments, finance leases	39,175	$ 27,371
Other Accrued Liabilities and Operating Lease and Other Long-term Liabilities [Member]
Operating Lease, Liability, Total	$ 103,919	$ 63,750