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Note 7 - Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
2020, Operating	$ 21,991
2020, Finance	8,185
2021, Operating	18,223
2021, Finance	7,719
2022, Operating	16,014
2022, Finance	9,269
2023, Operating	7,293
2023, Finance	9,080
2024, Operating	439
2024, Finance	1,390
Thereafter, Operating	1,992
Thereafter, Finance
Total minimum lease payments, Operating	65,952
Total minimum lease payments, Finance	35,643
Less: amount representing interest, Operating	(5,610)
Less: amount representing interest, Finance	(2,375)
Present value of minimum lease payments, Operating	60,342
Present value of minimum lease payments, Finance	33,268
Less: current portion, Operating	(19,460)
Less: current portion, Finance	(7,258)	(5,374)
Lease obligations, long-term, Operating	40,882
Lease obligations, long-term, Finance	$ 26,010	$ 35,119

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Present value of lessee's discounted obligation for lease payments from operating lease including operating lease not yet commenced, classified as noncurrent.

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