Note 12 - Properties and Equipment, Accrued Expenses, Other Current Liabilities and Other Liabilities - Other liabilities and Deferred Credits (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Pension liabilities	$ 31,139	$ 31,736
Liability for uncertain tax positions	31,043	35,304
Other	12,260	12,752
Other Liabilities, Noncurrent, Total	$ 74,442	$ 79,792