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Note 10 - Leases - Maturities of Lease liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
2020, finance leases | $ 3,769 |
2020, operating leases | 9,086 |
2021, finance leases | 3,352 |
2021, operating leases | 7,029 |
2022, finance leases | 3,536 |
2022, operating leases | 5,472 |
2023, finance leases | 2,659 |
2023, operating leases | 4,629 |
2024 | 2,650 |
2024 | 4,288 |
After 2023, finance leases | 29,371 |
After 2023, operating leases | 14,232 |
Total minimum lease payments, finance leases | 45,337 |
Total minimum lease payments, operating leases | 44,736 |
Interest component | (19,375) |
Interest component | (7,727) |
Present value of minimum lease payments, finance leases | 25,962 | $ 20,171
Other Accrued Liabilities and Operating Lease and Other Long-term Liabilities [Member] |  |
Operating Lease, Liability, Total | $ 37,009 |

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