Note 1 - General (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Other Assets, Noncurrent, Total	$ 162,656		$ 38,398
Other Accrued Liabilities, Current	71,615		35,845
Other Liabilities, Noncurrent, Total	$ 180,367		$ 96,056
Accounting Standards Update 2016-02 [Member]
Other Assets, Noncurrent, Total		$ 102,400
Other Accrued Liabilities, Current		32,300
Other Liabilities, Noncurrent, Total		$ 70,100

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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