Note 1 - Summary of Significant Accounting Policies 2 (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	[1]
Revenue, Remaining Performance Obligation, Amount	$ 2,877,478	$ 2,595,085
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue, Remaining Performance Obligation, Amount	$ 1,800,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month)	12 months

[1] These balances do not include amounts held for sale (see Note 2).